Recent Publications and Presentations (2010 - Present).


[FY2020]

Articles
  1. "Orbitally defined field-induced electronic state in a Kondo lattice", G. G. Lesseux, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, P. L. Kuhns, A. P. Reyes, J. D. Thompson, P. G. Pagliuso, and R. R. Urbano, Phys. Rev. B 101, 165111 (2020).
  2. "Anisotropic response of spin susceptibility in the superconducting state of UTe2 probed with 125Te-NMR measurement", G. Nakamine, K. Kinjo, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, A. Nakamura, Y. Shimizu, Y. Homma, D. Li, F. Honda, and D. Aoki, Phys. Rev. B 103, L100503 (2021).
  3. "Universal scaling behavior under pressure in the heavy-fermion antiferromagnet CeRh2Si2: 29Si NMR study", H. Sakai, Y. Matsumoto, Y. Haga, Y. Tokunaga, and S. Kambe, Phys. Rev. B 103, 085114 (2021).
  4. "33S Nuclear Magnetic Resonance Spectra of Uranium Disulfide β-US2", H. Sakai, Y. Tokunaga, Y. Haga, S. Kambe, S. K. Ramakrishna, A. P. Reyes, P. F. S. Rosa, F. Ronning, J. D. Thompson, Z. Fisk, and E. D. Bauer, JPS Conf. Proc. 30, 011169 (2020).
  5. "Symmetry of Hidden Ordered State in URu2Si2 : Our Current Understanding", S. Kambe, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga, R. E. Walstedt, and H. Harima, JPS Conf. Proc. 30, 011035 (2020).
Presentations in International Conferences
  1. "Spin susceptibility in the superconducting state of UTe2 probed with 125Te-NMR", K. Ishida, G. Nakamine, S. Kitagawa, K. Kinjo, Y. Tokunaga, H. Sakai, S. Kambe, A. Nakamura, Y. Shimizu, Y. Hommma, D.-X. Li, F. Honda, and D. Aoki, APS March Meeting 2021, Online (Mar. 15--19, 2021).
  2. "Low-energy quasiparticle excitations in the spin-triplet superconductor UTe2", K. Ishihara, M. Roppongi, M. Kobayashi, Y. Mizukami, K. Hashimoto, H. Sakai, Y. Haga, and T. Shibauchi, APS March Meeting 2021, Online (Mar. 15--19, 2021).
  3. Presentations in Domestic Conferences
  1. "125Te-NMR study of magnetic anisotropy in the spin-triplet superconducting candidate material UTe2", H. Fujibayashi, G. Nakamine, K. Kinjo, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, Y. Shimizu, A. Nakamura, D. Li, Y. Homma, F. Honda, and D. Aoki, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  1. "Magnetic penetration depth measurements in the spin-triplet superconductor UTe2", K. Ishihara, M. Roppongi, M. Kobayashi, Y. Mizukami, K. Hashimoto, H. Sakai, Y. Haga, and T. Shibauchi, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  2. "Hidden order of URu2Si2 under external field", S. Kambe, H. Sakai, Y. Tokunaga, and Y. Haga, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  3. "Magnetic anisotropy of UTe2 under pressure studied by NMR", K. Kinjo, G. Nakamine, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, Y. Shimizu, A. Nakamura, D. Li, Y. Homma, F. Honda, and A. D., JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  4. "Spin Susceptibility in the Superconducting State of UTe2", G. Nakamine, H. Fujibayashi, K. Kinjo, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, Y. Shimizu, A. Nakamura, D. Li, Y. Homma, Y. F. Honda, and D. Aoki, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  5. "NMR Study of Ni-substitution effect in heavy fermion superconductor CeCoIn5", H. Sakai, Y. Tokunaga, Y. Haga, S. Kambe, F. Ronning, J.-X. Zhu, H. Kotegawa, H. Tou, K. Suzuki, Y. Oshima, and M. Yokoyama, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  6. "NMR study of ferromagnetic superconductor URhGe under uniaxial stress", Y. Tokunaga, D. Aoki, D. Braithwaite, G. Knebel, J.-P. Brison, A. Pourret, G. Lapertot, Q. Niu, M. Valiska, J. Flouquet, H. Sakai, and S. Kambe, JPS 2021 Annual (76th) Meeting, Online (Mar. 12--15, 2021).
  7. "Heterogeneous electronic state by Zn-substitutions in heavy fermion superconductor CeCoIn5", H. Sakai, Y. Tokunaga, Y. Haga, S. Kambe, J. X. Zhu, F. Ronning, S. K. Ramakrishna, A. P. Reyes, K. Suzuki, Y. Ohshima, and M. Yokoyama, JPS 2020 Autumn Meeting (online, formerly planned to be held in Kumamoto Univ.) (Sep. 14--17, 2020).

[FY2019]

Articles
  1. “125Te-NMR Study on a Single Crystal of Heavy Fermion Superconductor UTe2”, Y. Tokunaga, H. Sakai, S. Kambe, T. Hattori, N. Higa, G. Nakamine, S. Kitagawa, K. Ishida, A. Nakamura, Y. Shimizu, Y. Homma, D. Li, F. Honda and D. Aoki, J. Phys. Soc. Jpn. 88, 073701 (2019).
  2. “Superconducting Properties of Heavy Fermion UTe2 Revealed by 125Te-nuclear Magnetic Resonance”, G. Nakamine, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, A. Nakamura, Y. Shimizu, Y. Homma, D. Li, F. Honda, and D. Aoki, J. Phys. Soc. Jpn 88, 113703 (2019).
  3. “Novel universality class for the ferromagnetic transition in the low carrier concentration systems UTeS and USeS exhibiting large negative magnetoresistance”, N. Tateiwa, Y. Haga, H. Sakai, and E. Yamamoto, Phys. Rev. B 100, 064413 (2019).
  4. “239Pu Nuclear Magnetic Resonance in the Candidate Topological Insulator PuB4”, A. P. Dioguardi, H. Yasuoka, S. M. Thomas, H. Sakai, S. K. Cary, S. A. Kozimor, T. E. Albrecht-Schmitt, H. C. Choi, J.-X. Zhu, J. D. Thompson, E. D. Bauer and F. Ronning, Phys. Rev. B 99, 035104 (2019).
  5. “High-Field Phase Diagram of the Heavy-Fermion Metal CeIn3 : Pulsed-Field NMR Study on Single Crystals Up to 56 T”, Y. Tokunaga, A. Orlova, N. Bruyant, D. Aoki, H. Mayaffre, S. Krämer, M.-H. Julien, C. Berthier, M. Horvatić, N. Higa, T. Hattori, H. Sakai, S. Kambe, and I. Sheikin, Phys. Rev. B 99, 085142 (2019).
Presentations in International Conferences
  1. "33S-NMR Study in β-US2: a crossover from semimetal to narrow-gap semiconductor", H. Sakai, The International Conference on Strongly correlated electron systems (SCES 2019), Okayama, Japan (Sep. 23--28, 2019).
Presentations in Domestic Conferences
  1. "33S NMR Study in β-US2", H. Sakai, Y. Tokunaga, S. Kambe, A. P. Reyes, P. F. S. Rosa, J. D. Thompson, F. Ronning, and E. D. Bauer, JPS 2019 Autumn Meeting (Gifu Univ., Gifu, Japan) (Sep. 10--13, 2019).
  2. "Critical Exponents in Uranium Dichalcogenides", N. Tateiwa, Y. Haga, H. Sakai, and E. Yamamoto, JPS 2019 Autumn Meeting (Gifu Univ., Gifu, Japan) (Sep. 10--13, 2019).
  3. "NMR study of Heavy Fermion SmAu3Al7", S. Kambe, Y. Tokunaga, H. Sakai, Y. Haga, H. Masuda, R. Higashinaka, T. D. Matsuda, and Y. Aoki, JPS 2019 Autumn Meeting (Gifu Univ., Gifu, Japan) (Sep. 10--13, 2019).
  4. "125Te-NMR study of magnetic fluctuations in a newly discovered uranium-based superconductor UTe2", Y. Tokunaga, H. Sakai, S. Kambe, T. Hattori, N. Higa, G. Nakamine, S. Kitagawa, K. Ishida, A. Nakamura, Y. Shimizu, D. Li, Y. Homma, F. Honda, and D. Aoki, JPS 2019 Autumn Meeting (Gifu Univ., Gifu, Japan) (Sep. 10--13, 2019).
  5. "NMR Study of Zn- and Ni-substitution Effect in Heavy Fermion Superconductor CeCoIn5", H. Sakai, Y. Tokunaga, Y. Haga, S. Kambe, J. X. Zhu, F. Ronning, S. K. Ramakrishna, A. P. Reyes, H. Kotegawa, H. Tou, K. Suzuki, Y. Ohshima, and M. Yokoyama, The 75th JPS Annual Meeting (Onsite meeting at Nagoya Univ. was cancelled) (Mar. 16--19, 2020).
  6. "NMR study of heavy fermion SmAu3Al7", S. Kambe, Y. Tokunaga, H. Sakai, Y. Haga, H. Masuda, R. Higashinaka, T. D. Matsuda, and Y. Aoki, The 75th JPS Annual Meeting (Onsite meeting at Nagoya Univ. was cancelled) (Mar. 16--19, 2020).
  7. "NMR study of Ferromagnetic Superconductor URhGe under Uniaxial Stress", Y. Tokunaga, D. Aoki, D. Braithwaite, G. Knebel, J.-P. Brison, A. Pourret, G. Lapertot, Q. Niu, M. Valiska, J. Flouquet, H. Sakai, and S. Kambe, The 75th JPS Annual Meeting (Onsite meeting at Nagoya Univ. was cancelled) (Mar. 16--19, 2020).

[FY2018]

Articles
  1. “Occupation sites and valence states of Co dopants in (La, Co)-codoped M-type Sr ferrite: 57Fe and 59Co nuclear magnetic resonance studies”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, H. Ueda, Y. Tanioku, C. Michioka, K. Yoshimura, K. Takao, A. Shimoda, T. Waki, Y. Tabata and H. Nakamura Phys. Rev. B 98, 064403 (Aug. 2018) .
  2. “Easy-plane XY spin fluctuations in the cycloidal magnet UPtGe studied via field-orientation-dependent 195Pt NMR”, Y. Tokunaga, A. Nakamura, D. Aoki, Y. Shimizu, Y. Homma, F. Honda, H. Sakai, T. Hattori, and S. Kambe, Phys. Rev. B 98, 014425 (Jul. 2018) .
  3. “Odd-parity electronic multipolar ordering in URu2Si2: Conclusions from Si and Ru NMR measurements”, S. Kambe, Y. Tokunaga, H. Sakai, T. Hattori, N. Higa, T. D. Matsuda, Y. Haga, R. E. Walstedt and H. Harima, Phys. Rev. B 97, 235142 (Jun. 2018) .
  4. “Ruderman-Kittel interaction between Si in URu2Si2”, S. Kambe, T. Hattori, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga and R. E. Walstedt, J. Phys.: Conf. Ser. 969, 012033 (Apr. 2018) .
Presentations in International Conferences
  1. (Invited) “33S-NMR Study in β-US2”, H. Sakai, T. Hattori, N. Higa, Y. Tokunaga, N. Tateiwa, E. Yamamoto, Y. Haga, S. Kambe, A. P. Reyes, E. D. Bauer, F. Ronning and J. D. Thompson (The International Workshop on Dual Nature of f-electrons (IWDN2018), Wrocław, Poland, 9-13th Jul., 2018).
  2. (Invited) “NMR study of URu2Si2”, S. Kambe, T. Hattori, Y. Tokunaga, H. Sakai, T. D. Matsuda and Y. Haga (The International Workshop on Dual Nature of f-electrons (IWDN2018), Wrocław, Poland, 9-13th Jul., 2018).
  3. “NQR/NMR study on Zn-doped CeCoIn5”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, F. Ronning, J.-X. Zhu, K. Suzuki, Y. Oshima and M. Yokoyama (12th Prague colloquim on f-electron systems (PCFES2018), Prague, Czech, 4-7th Jul., 2018).
  4. “Strong Ising anisotropy of URu2Si2 probed by 29Si NMR on the Superconducting state”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda and Y. Haga (J-Physics 2018: International Workshop on New Materials and Crystal Growth, Awaji, Japan, 27-30th Jun., 2018).
Presentations in Domestic Conferences
  1. “Physical properties of uranium ferromagnet UPS, UPSe Ⅱ”, E. Yamamoto, H. Sakai, and Y. Haga (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  2. “NMR study of EuPtSi”, N. Higa, M. Yogi, Y. Tokunaga, T. Hattori, H. Sakai, S. Kambe, M. Nakashima, Y. Homma, A. Nakamura, Y. Shimizu, F. Honda, D. Aoki, M. Kakihana, M. Hedo, T. Nakama, and Y. Ōnuki, (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  3. “29Si NMR on single crystalline URu2Si2 with using a dilution refrigerator”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda, and Y. Haga (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  4. “33S-NMR Study for a narrow-gap semiconductor β-US2”, H. Sakai, N. Higa, T. Hattori, Y. Tokunaga, S. Kambe, N. Tateiwa, Y. Haga, P. F. S. Rossa, J. D. Thompson, F. Ronning, E. D. Bauer, S. K. R. Krishna, and A. P. Reyes (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  5. “Pulsed magnetic field NMR study of the field-induced quantum critical point in CeIn3”, Y. Tokunaga, A. Orlova, N. Bruyant, D. Aoki, H. Mayaffre, S. Kraemer, M.-H. Julien, C. Berthier, M. Horvatic, T. Hattori, N. Higa, H. Sakai, S. Kambe, and I. Sheikin, (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  6. “NMR study of Antiferromagnetic Superconductor Ce3PtIn11”, S. Kambe, Y. Tokunaga, H. Sakai, T. Hattori, N. Higa, Marie Kratochvílová, Klára Uhlířová, and Jeroen Custers, (JPS 2018 Autumn Meeting Doshisha Univ., Japan, Sep. 9-12, 2018).
  7. "Magnetic fluctuations in strongly correlated f electrons system URu2Si2 under high fields", H. Sakai, N. Higa, T. Hattori, Y. Tokunaga, Y. Haga, S. Kambe，T. Goto，M. Hirata，S. Awaji，and T. Sasaki (74th Annual JPS Meeting, Kyushu University, Mar. 14 - 17, 2019).
  8. "Sn-NMR study of successive phase transition in URhSn", Y. Tokunaga, Y. Shimizu, A. Maurya, F. Honda, A. Nakamura, Y. J. Sato, D. Li, Y. Homma, D. Aoki, N. Higa, T. Hattori, H. Sakai, S. Kambe (74th Annual JPS Meeting, Kyushu University, Mar. 14 - 17, 2019).
  9. "NMR study of Antiferromagnetic Superconductor Ce3PtIn11", S. Kambe, Y. Tokunaga, H. Sakai, T. Hattori, N. Higa, M. Kratochvílová, Klára Uhlířová, Jeroen Custers (74th Annual JPS Meeting, Kyushu University, Mar. 14 - 17, 2019).
  10. "NMR study of EuPtSi II", N. Higa，M. Yogi, Y. Tokunaga, T. Hattori, H. Sakai, S. Kambe, M. Nakashima, Y. Homma , A. Nakamura, Y. Shimizu, F. Honda, D. Aoki, M. Kakihana, M. Hedo, T. Nakama, and Y. Ōnuki (74th Annual JPS Meeting, Kyushu University, Mar. 14 - 17, 2019).

[FY2017]

Articles
  1. “Anisotropy of Spin Fluctuations in a Tetragonal Heavy Fermion Antiferromagnet CeRhAl4Si2”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, N. J. Ghimire, F. Ronning, E. D. Bauer and J. D. Thompson, J. Phys.: Conf. Ser. 868, 012012 (2017).
  2. “Local Moments in the Heterogeneous Electronic State of Cd-Substituted CeCoIn5: NQR Relaxation Rates”, H. Sakai, F. Ronning, T. Hattori, Y. Tokunaga, S. Kambe, J.-X. Zhu, N. Wakeham, H. Yasuoka, E. D. Bauer and J. D. Thompson, J. Phys.: Conf. Ser. 807, 032001 (2017).
  3. “Evidence for Spin Singlet Pairing with Strong Uniaxial Anisotropy in URu2Si2 Using Nuclear Magnetic Resonance”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda, and Y. Haga, Phys. Rev. Lett 120, 027001 (Jan. 2018) .
  4. “Itinerant Ferromagnetism in Actinide 5f-Electron Systems: Phenomenological Analysis with Spin Fluctuation Theory”, N. Tateiwa, J. Pospíšil, Y. Haga, H. Sakai, T. D. Matsuda and E. Yamamoto, Phys. Rev. B 96, 035125 (2017).
  5. “T Dependence of Nuclear Spin-Echo Decay at Low Temperatures in YbRh2Si2”, S. Kambe, H. Sakai, Y. Tokunaga, T. Hattori, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt, Phys. Rev. B 95, 195121 (May 2017).
  6. “Investigation of the Commensurate Magnetic Structure in the Heavy-Fermion Compound CePt2In7 Using Magnetic Resonant X-Ray Diffraction”, N. Gauthier, D. Wermeille, N. Casati, H. Sakai, R. E. Baumbach, E. D. Bauer and J. S. White, Phys. Rev. B 96, 064414 (2017).
  7. “Nature of Distributed Two-Fold Ordering in URu2Si2”, S. Kambe, Y. Tokunaga, H. Sakai, T. Hattori and R. E. Walstedt, J. Phys.: Conf. Ser. 868, 012003 (2017).
  8. “Field-induced reentrant superconductivity driven by quantum tricritical fluctuations in URhGe”, Y. Tokunaga, D. Aoki, H. Mayaffre, S. Kramer, M.-H. Julien, C. Berthier, M. Horvatic, H. Sakai, T. Hattori, S. Kambe, and S. Araki, Physica B: 536, 122 (2018).
Seminar
  1. (Invited) “Microscopic probe of electronic spin fluctuations: nuclear magnetic resonances”, H. Sakai (Summer Series on Condensed Matter Physics at SungKyunKwan Univ., South Korea, Jun. 29, 2017).

Presentations in International Conferences
  1. (Invited) “Local Moments in the Heterogeneous Electronic State of Cd or Zn-Substituted CeCoIn5 — Around Kondo holes —” H. Sakai (The international Workshop on recent progress in superconductivity(IWRS 2017), Pyeongchang(Yongpyong), South Korea, Jul. 3-5, 2017).
Presentations in Domestic Conferences
  1. “NQR/NMR study on Zn-doped CeCoIn5” H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, F. Ronning, J.-X. Zhu, K. Suzuki, Y. Oshima, and M. Yokoyama (JPS 2018 Annual Meeting, Tokyo University of Science, Japan, Mar. 22-25, 2018).
  2. “Pulsed High Field NMR Study on CeIn3” Y. Tokunaga, D. Aoki, I. Sheikin, A. Orlova, N. Bruyant, H. Mayaffre, S. Kraemer, M. Horvatic, T. Hattori, H. Sakai, and S. Kambe (JPS 2018 Annual Meeting, Tokyo University of Science, Japan, Mar. 22-25, 2018).
  3. “NMR spin echo decay in URu2Si2” S. Kambe, T. Hattori, Y. Tokunaga, H. Sakai, T.D. Matsuda, Y. Haga and R. E. Walstedt (JPS 2018 Annual Meeting, Tokyo University of Science, Japan, Mar. 22-25, 2018).
  4. “Study on uranium ferromagnets by magnetic measurements under high pressure”, E. Yamamoto, H. Sakai, and Y. Haga (「アクチノイド元素の科学と技術」第9回アルファ放射体実験室利用研究会, Tohoku Univ., Japan, Nov. 28, 2017).
  5. “Physical properties of uranium ferromagnets UPS and UPSe”, E. Yamamoto, H. Sakai, and Y. Haga (JPS 2017 Autumn Meeting Morioka Univ., Japan, Sep. 12-15, 2017).
  6. “characteristic temperature of spin fluctuations in actinide 5f electrons systems” N. Tateiwa, J. Pospíšil, Y. Haga, H. Sakai, E. Yamamoto, and T. D. Matsuda (JPS 2017 Autumn Meeting Morioka Univ., Japan, Sep. 12-15, 2017).
  7. (Invited) “How to generate a Kondo hole; A Heavy fermion superconductor CeCoIn5 by example” H. Sakai (極限環境フォーラム 「極限環境の材料科学・分子科学の最前線」, Meijo Univ., May 27, 2017).

[FY2016]

Articles
  1. (Editors’ Choice) “No Detectable Change in In-Plane 29Si Knight Shift in the Superconducting State of URu2Si2”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda, and Y. Haga, J. Phys. Soc. Jpn. 85, 073711 (2016).
  2. “Dynamical Magnetic Susceptibility in Antiferromagnet UPtGa5 Determined by NMR: Comparison with Isostructural Superconducting CeMIn5 Systems”, S. Kambe, T. Hattori, H. Sakai, Y. Tokunaga and R.E. Walstedt, Phys. Rev. B 93, 205155 (2016).
  3. “Interplay between Quantum Fluctuations and Reentrant Superconductivity with a Highly Enhanced Upper Critical Field in URhGe”, Y. Tokunaga, D. Aoki, H. Mayaffre, S. Krämer, M.-H. Julien, C. Berthier, M. Horvatić, H. Sakai, T. Hattori, S. Kambe and S. Araki, Phys. Rev. B 93, 201112(R) (2016).
Presentations in International Conferences
  1. (Invited)“Anisotropic spin fluctuations and locally bound states in strongly correlated f-electron systems near antiferromagnetic quantum critical point”, H. Sakai (The Sixth International Workshop on the Dual Nature of ƒ-Electrons (IWDN2016), Idaho Falls, USA, Jun 6-10, 2016).
  2. “Microscopic Investigation of Electronic heterogeneity Induced by Substitutions in a Quantum Critical Metal CeCoIn5”, H. Sakai, F. Ronning, J.-X. Zhu, N. Wakeham, H. Yasuoka, T. Hattori, Y. Tokunaga, S. Kambe, E. D. Bauer, and J. D. Thompson (International Conference on Strongly Correlated Electron Systems (SCES2016), Hangzhou, China, May 8-13, 2016).
  3. (Invited) “Microscopic Aspects of Electronic Inhomogeneity and Anisotropic Spin Fluctuations near Antiferromagnetic Quantum Critical Point”, H. Sakai (5th International Conference on Superconductivity and Magnetism (ICSM2016), Fethiye, Turkey, Apr. 24-30, 2016).

Presentations in Domestic Conferences
  1. “57Fe, 59Co-NMR study in La-Co substituted M-type Sr Ferrite”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, A. Shimoda, T. Waki, Y. Tabata, and H. Nakamura (The 72nd Annual JPS Meeting, Osaka Univ., Osaka, Japan, Mar. 17-20, 2017).
  2. “Single crystal growth and physical properties of UPS and UPSe”, E. Yamamoto, H. Sakai, and Y. Haga (The 72nd Annual JPS Meeting, Osaka Univ., Osaka, Japan, Mar. 17-20, 2017).
  3. “Strong uniaxial anisotropy in spin susceptibility of URu2Si2”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda and Y. Haga (The 72nd Annual JPS Meeting, Osaka Univ., Osaka, Japan, Mar. 17-20, 2017).
  4. “T-dependent Fermi-surface in YbRh2Si2”, S. Kambe, H. Sakai, Y. Tokunaga, T. Hattori, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt (The 72nd Annual JPS Meeting, Osaka Univ., Osaka, Japan, Mar. 17-20, 2017).
  5. "NMR study on a single crystal of URhGe”, Y. Tokunaga, D. Aoki, H. Mayaffre, S. Kraemer, M.-H.Julien, C. Berthier, M. Horvatic, T. Hattori, H. Sakai, S. Kambe, and S. Araki (The 72nd Annual JPS Meeting, Osaka Univ., Osaka, Japan, Mar. 17-20, 2017).
  6. “NMR study in La-Co substituted M-type Sr Ferrite”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, A. Shimoda, T. Waki, Y. Tabata, and H. Nakamura (The 2015 Autumn JPS Meeting, Kanazawa Univ., Kanazawa, Japan, Sep. 13-16, 2016).
  7. “29Si NMR Knight Shift measurement on single crystalline URu2Si2”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda and Y. Haga (The 2015 Autumn JPS Meeting, Kanazawa Univ., Kanazawa, Japan, Sep. 13-16, 2016).
  8. “Dynamical magnetic susceptibility in 115 systems”, S. Kambe, T. Hattori, H. Sakai, Y. Tokunaga and R. E. Walstedt (The 2015 Autumn JPS Meeting, Kanazawa Univ., Kanazawa, Japan, Sep. 13-16, 2016).
  9. “Pt-NMR study on UPtGe”, Y. Tokunaga, A. Nakamura, D. Aoki, T. Hattori, H. Sakai, S. Kambe, F. Honda, Y. Homma, D. Li, and Y. Shimizu (The 2015 Autumn JPS Meeting, Kanazawa Univ., Kanazawa, Japan, Sep. 13-16, 2016).
  10. “Antiferromagnetic quantum critical point in CeRh2Si2”, S. Araki, R. Mitsui, T. Onji, S. Kitagawa, T. C. Kobayashi, W. Imai, M. Miyazaki, R. Settai, and H. Sakai (The 2015 Autumn JPS Meeting, Kanazawa Univ., Kanazawa, Japan, Sep. 13-16, 2016).
  11. “59Co NMR study in La-Co substituted M-type Sr Ferrite”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, A. Shimoda, T. Waki, Y. Tabata, and H. Nakamura (The 40th Annual Conference on MAGNETICS in Japan, Kanazawa Univ. Kanazawa, Japan, Sep. 5-8, 2016).

[FY2015]


Articles
  1. “Incommensurate to Commensurate Antiferromagnetism in CeRhAl4Si2: An 27Al NMR Study”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, N. J. Ghimire, F. Ronning, E. D. Bauer and J. D. Thompson, Phys. Rev. B 93, 014402 (2016).
  2. “Microscopic Investigation of Electronic Inhomogeneity Induced by Substitutions in a Quantum Critical Metal CeCoIn5”, H. Sakai, F. Ronning, J.-X. Zhu, N. Wakeham, H. Yasuoka, Y. Tokunaga, S. Kambe, E.D. Bauer and J.D. Thompson, Phys. Rev. B 92, 121105(R) (2015).
  3. “Dilute RKKY Model for NMR Line Broadening in the Hidden-Order State of URu2Si2”, R.E. Walstedt, S. Kambe, Y. Tokunaga and H. Sakai, Phys. Rev. B 93, 045122 (2016).
  4. “Mottled Electronic State Near a Quantum Critical Phase Transition”, S. Kambe, H. Sakai, and Y. Tokunaga, Butsuri 7, 22 (2016). (in Japanese)
  5. “Reentrant Superconductivity Driven by Quantum Tricritical Fluctuations in URhGe: Evidence from 59Co NMR in URh0.9Co0.1Ge”, Y. Tokunaga, D. Aoki, H. Mayaffre, S. Krämer, M.-H. Julien, C. Berthier, M. Horvatić, H. Sakai, S. Kambe and S. Araki, Phys. Rev. Lett. 114, 216401 (2015).
  6. “Anisotropic Energy Scale for Degenerate Fermi and non-Fermi Liquids Near a Quantum Critical Phase Transition in YbRh2Si2”, S. Kambe, H. Sakai, Y. Tokunaga, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt, Phys. Rev. B 91, 161110(R) (2015).
  7. “Anisotropic Magnetic Fluctuations in YbRh2Si2”, S. Kambe, H. Sakai, Y. Tokunaga, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt, J. Phys. Conf. Ser. 592, 012085 (2015).
Presentations in International Conferences
  1. “Incommensurate to commensurate antiferromagnetism in CeRhAl4Si2: 27Al NMR Study”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, N. J. Ghimire, F. Ronning, E. D. Bauer, and J. D. Thompson (International Workshop on Itinerant-Electron Magnetism, Kyoto Univ., Kyoto, Japan, Sep. 25-27, 2015).
  2. (Invited) ”Microscopic Investigation of Electronic Heterogeneity in (Cd, Sn)-doped CeCoIn5”, H. Sakai (International Workshop on Heavy Fermions and Quantum Phase Transitions, Zhejiang Univ., Hangzhou, China, Apr. 12-17, 2015).

Presentations in Domestic Conferences
  1. “Commensurate-incommensurate antiferromagnetism in Kondo lattice system CeRhAl4Si2”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, N. J. Ghimire, F. Ronning, E. D. Bauer, and J. D. Thompson (The JPS 71th Annual Meeting, Tohoku Gakuin Univ., Sendai, Mar. 19-22, 2016).
  2. “29Si NMR Knight shift measurement on single crystalline URu2Si2”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe, T. D. Matsuda, and Y. Haga (The JPS 71th Annual Meeting, Tohoku Gakuin Univ., Sendai, Mar. 19-22, 2016).
  3. “NMR Spin-echo decay in YbRh2Si2”, S. Kambe, H. Sakai, Y. Yokunaga, T. Hattori, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt (The JPS 71th Annual Meeting, Tohoku Gakuin Univ., Sendai, Mar. 19-22, 2016).
  4. “NMR study in URhGe”, Y. Tokunaga, D. Aoki, H. Mayaffre, S. Kraemer, M.-H. Julien, C. Berthier, M. Horvatic, H. Sakai, T. Hattori, S. Kambe and S. Araki (The JPS 71th Annual Meeting, Tohoku Gakuin Univ., Sendai, Mar. 19-22, 2016).
  5. “Isotopic Enrichment of 33S to Single Crystals of Uranium chalcogenide β-US2”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, J. Pospíšil, N. Tateiwa, E. Yamamoto, and Y. Haga (The 2015 Autumn JPS Meeting, Kansai Univ., Osaka, Japan, Sep. 16-19, 2015).
  6. “NMR study on U(Rh1-xCox)Ge III”, Y.Tokunaga, D. Aoki, H. Mayaffre, S. Kraemer, M.-H.Julien, C. Berthier, M. Horvatic, T. Hattori, H. Sakai, S. Kambe, and S. Araki (The 2015 Autumn JPS Meeting, Kansai Univ., Osaka, Japan, Sep. 16-19, 2015).
  7. “Si-NMR linewidth in the hidden ordered state of URu2Si2”, S. Kambe, Y. Tokunaga, H. Sakai, T. Tattori and R.E. Walstedt (The 2015 Autumn JPS Meeting, Kansai Univ., Osaka, Japan, Sep. 16-19, 2015).
  8. “29Si NMR study on single crystalline URu2Si2”, T. Hattori, H. Sakai, Y. Tokunaga, S. Kambe and Y. Haga (The 2015 Autumn JPS Meeting, Kansai Univ., Osaka, Japan, Sep. 16-19, 2015).
  9. “Hall effect in CeRh2Si2 under high pressure”, S. Araki, T. Onji, S. Kitagawa, T.C. Kobayashi, M. MiyazakiA, R. Settai, and H. Sakai (The 2015 Autumn JPS Meeting, Kansai Univ., Osaka, Japan, Sep. 16-19, 2015).
  10. “57Fe NMR study in La-Co substituted M-type Sr Ferrite”, H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, A. Shimoda, T. Waki, Y. Tabata, and H. Nakamura (The 39th Annual Conference on MAGNETICS in Japan, Nagoya Univ. Nagoya, Japan, Sep. 8-11, 2015).

[FY2014]

Articles
  1. “Emergent Antiferromagnetism out of the “Hidden-Order” State in URu2Si2: High Magnetic Field Nuclear Magnetic Resonance to 40 T”, H. Sakai, Y. Tokunaga, S. Kambe, R. R. Urbano, M.-T. Suzuki, P. L. Kuhns, A. P. Reyes, P. H. Tobash, F. Ronning, E. D. Bauer, and J. D. Thompson, Phys. Rev. Lett. 112 (2014), 236401.
  2. “Coexistence of Antiferromagnetism with Superconductivity in CePt2In7: Microscopic Phase Diagram Determined by 115In NMR and NQR", H. Sakai, Y. Tokunaga, S. Kambe, F. Ronning, E. D. Bauer, and J. D. Thompson, Phys. Rev. Lett. 112 (2014) 206401.
  3. “Distributed Twofold Ordering in URu2Si2”, S. Kambe, Y. Tokunaga, H. Sakai and R. E. Walstedt, Phys. Rev. B 91 (2015) 035111.
  4. “Degenerate Fermi and non-Fermi Liquids Near a Quantum Critical Phase Transition”, S. Kambe, H. Sakai, Y. Tokunaga, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet and R. E. Walstedt, Nature Physics 10 (2014) 840.
  5. “NMR Study of Metallic Ferromagnet UGa2”, S. Kambe, H. Sakai, Y. Tokunaga, Y. Haga and E. Yamamoto, J. Phys. Soc. Jpn. 83 (2014) 114710.
  6. “Self-Radiation Effects and Glassy Nature of Magnetic Transition in AmO2 Revealed by 17O-NMR”, Y. Tokunaga, T. Nishi, M. Nakada, A. Itoh, H. Sakai, S. Kambe, Y. Homma, F. Honda, D. Aoki and R. E. Walstedt, Phys. Rev. B 89 (2014) 214416.
  7. “Analysis of Magnetization Behavior in Magnetic Semiconductor β-US2”, E. Yamamoto, N. Tateiwa, Y. Haga, S. Ikeda, H. Sakai, Y. Ōnuki and Z. Fisk, JPS Conf. Proc. 3 (2014) 011095.
  8. “Spin Polarized Neutron Scattering Study on Metal-Insulator Crossover in Uranium Dichalcogenide β-US2”, N. Metoki, H. Sakai, M. Suzuki, E. Yamamoto, Y. Haga, T. D. Matsuda and S. Ikeda, JPS Conf. Proc. 3 (2014) 013011.
Presentations in International Conferences
  1. (Invited) “Anisotropic Spin Fluctuations in 4f and 5f Electron Systems Detected by NMR Techniques", H. Sakai (4th International Conference on Superconductivity and Magnetism (ICSM2014), Antalya, Turkey, Apr. 27-May 2, 2014).

Presentations in Domestic Conferences
  1. “Anisotropy of spin fluctuations in heavy fermion antiferromagnet CeRh2Si2 (Part II)”, H. Sakai, Y. Tokunaga, S. Kambe, Y. Matsumoto, and Y. Haga (JPS 2014 Fall meetings, Chubu Univ., Sep. 7-10, 2014).
  2. "Anisotropy of spin fluctuations in heavy fermion antiferromagnet CeRh2Si2", H. Sakai (Kochi University Workshop on Strongly Electron Systems, Kochi Univ., May 19-20, 2014).
  3. (Invited) “Anisotropic antiferromagnetic spin fluctuations near the quantum critical point of Ising-type antiferromagnet CeRh2Si2” (The 13th CROSSroads of Users and J-PARC, Ibaraki Quantum Beam Research Center, Dec 2-3, 2014).

[FY2013]

Articles
  1. “Zero-Field NMR and NQR Measurements of the Antiferromagnet URhIn5”, H. Sakai, S. Kambe, Y. Tokunaga, Y. Matsumoto, N. Tateiwa, Y. Haga and Z. Fisk, Phys. Rev. B 88 (2013) 045123.
  2. “Single-Crystal Growth and Physical Properties of URhIn5”, Y. Matsumoto, Y. Haga, N. Tateiwa, H. Sakai, T.D. Matsuda, E. Yamamoto and Z. Fisk, Phys. Rev. B 88 (2013) 045120.
  3. “NMR Study of In-Plane Twofold Ordering in URu2Si2”, S. Kambe, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga, Z. Fisk and R.E. Walstedt, Phys. Rev. Lett. 110 (2013) 246406.
  4. “Neutron Scattering Experiments for the Study of In-Plane Ordered Moment in URu2Si2”, N. Metoki, H. Sakai, E. Yamamoto, N. Tateiwa, T. Matsuda and Y. Haga, J. Phys. Soc. Jpn. 82 (2013) 055004.
  5. “Magnetic Excitations and c-f Hybridization Effect in PrTi2Al20 and PrV2Al20”, Y. Tokunaga, H. Sakai, S. Kambe, A. Sakai, S. Nakatsuji and H. Harima, Phys. Rev. B 88 (2013) 085124.
  6. “29Si-NMR Study of Antiferromagnet CeRh2Si2 Using Single Crystals”, H. Sakai, Y. Tokunaga, S. Kambe, Y. Matsumoto, T. D. Matsuda and Y. Haga, Journal of the Korean Physical Society 63 (2013) 352.

Intensive Course in Graduate School
  1. "Solid State Physics and Chemistry in Strongly Correlated Electron Eystems ", H. Sakai (Department of Physics, Graduate School of Science and Engineering, Tokyo Metropolitan University, Nov. 20-22, 2013).

Presentations in International Conferences
  1. “High Magnetic Field NMR Study of URu2Si2”, H. Sakai, R. R. Urbano, Y. Tokunaga, S. Kambe, P. L. Kuhns, A. P. Reyes, F. Ronning, E. D. Bauer, and J. D. Thompson (The IMR-ASRC 4th REIMEI International Workshop, Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan, Jul. 31-Aug. 2, 2013).
  2. "Recent Experimental Studies in URu2Si2", S. Kambe, Y. Tokunaga, H. Sakai, D. Aoki, B. Salce, F. Bourdarot, T. D. Matsuda, Y. Haga, D. Braithwaite, J. Flouquet, J.-P. Brison, Z. Fisk, and R. E. Walstedt (The IMR-ASRC 4th REIMEI International Workshop, Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan, Jul. 31-Aug. 2, 2013).
  3. "Crystal Growth and Physical Properties of Actinide 122 Compounds", T. D. Matsuda, H. Sakai, E. Yamamoto, Y. Haga, Y. Ōnuki, and Z. Fisk (The IMR-ASRC 4th REIMEI International Workshop, Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan, Jul. 31-Aug. 2, 2013).
  4. "Physical Properties of a New Uranium Compound URhIn5", Y. Haga, Y. Matsumoto, N. Tateiwa, H. Sakai, T. D. Matsuda, E. Yamamoto, and Z. Fisk (The IMR-ASRC 4th REIMEI International Workshop, Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan, Jul. 31-Aug. 2, 2013).
  5. "Magnetic properties of β-US2 single crystals", E. Yamamoto, N. Tateiwa, Y. Haga, S. Ikeda, H. Sakai, Y. Ōnuki, and Z. Fisk (The IMR-ASRC 4th REIMEI International Workshop, Ibaraki Quantum Beam Research Center, Tokai, Ibaraki, Japan, Jul. 31-Aug. 2, 2013).
  6. “NQR/NMR Study using single crystals of pressure-induced superconductor CePt2In7”, H. Sakai, Y. Tokunaga, S. Kambe, H. O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer, and J. D. Thompson (The International Conference on Strongly Correlated Electron Systems (SCES2013), Ito International Research Center Conference, Univ. of Tokyo, Japan, Aug. 5-9, 2013).

Presentations in Domestic Conferences
  1. "NMR Study in Single Crystal YbRh2Si2", S. Kambe, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga, G. Lapertot, D. Aoki, J. Flouquet, J.-P. Brison (JPS 2013 Fall meetings, Tokushima Univ., Sep. 25-28, 2013).
  2. "Anisotropy of Spin Fluctuations in Heavy Fermion Antiferromagnet CeRh2Si2", H. Sakai, Y. Tokunaga, S. Kambe, Y. Matsumoto, and Y. Haga (JPS 2014 spring meetings, Tokai Univ., Mar. 27-30, 2014).
  3. "NMR Study in UGa2", S. Kambe, H. Sakai, Y. Tokunaga, Y. Haga, and E. Yamamoto (JPS 2014 spring meetings, Tokai Univ., Mar. 27-30, 2014).
  4. "NMR Study of Magnetic Phase Transition and Self-radiation Effect on AmO2", Y. Tokunaga, T. Nishi, M. Nakada, H. Sakai, S. Kambe, Y. Homma, F. Honda, and D. Aoki (JPS 2014 spring meetings, Tokai Univ., Mar. 27-30, 2014).

[FY2012]

Articles
  1. “Anisotropic Spin Fluctuations in the Heavy Fermion Systems: Case Studies of CePd5Al2 and NpPd5Al2”, H. Sakai, H. Chudo, Y. Tokunaga, S. Kambe, Y. Haga, F. Ronning, E. D. Bauer, J. D. Thompson, Y. Homma, D. Aoki, Y. Nakano, F. Honda, R. Settai and Y. Ōnuki, J. Phys. Soc. Jpn. Suppl. B 81 (2012) SB003.
  2. “NMR Study for 4f-localized Ferromagnet CeRu2Ga2B”, H. Sakai, Y. Tokunaga, S. Kambe, R.E. Baumbach, F. Ronning, E. D. Bauer and J. D. Thompson, Phys. Rev. B 86 (2012) 094402.
  3. “Correlation between the Superconducting Pairing Symmetry and Magnetic Anisotropy in f-Electron Unconventional Superconductors”, S. Kambe, H. Sakai, Y. Tokunaga and K. Kaneko, J. Phys.: Conf. Ser. 344 (2012) 012003.
  4. “Spin Fluctuation, Orbital States and Non-Conventional Superconductivity in Actinides Compounds”, S. Kambe, H. Sakai and Y. Tokunaga, Mater. Res. Soc. Symp. Proc. 1444 (2012) 165.
  5. "Solid-State NMR Study on Actinide Dioxides", Y. Tokunaga, H. Sakai, S. Kambe, H. Chudo, M. Osaka, S. Miwa, T. Nishi, M. Nakada, A. Itoh and Y. Homma, Mater. Res. Soc. Symp. Proc. 1444 (2012) 149.

Presentations in International Conferences
  1. (Invited Talk) “Solid-state NMR Study of Actinide Dioxides”, Y. Tokunaga, H. Sakai, and S. Kambe (2012 MRS Spring Meeting, Moscone West Convention Center and Marriott Marquis, San Francisco, California, USA, Apr. 9-13, 2012).
  2. (Invited Talk) “Spin Fluctuation, Orbital States and Non-conventional Superconductivity in Actinides Compounds”, S. Kambe, Y. Tokunaga, H. Sakai, and R. E. Walstedt (2012 MRS Spring Meeting, Moscone West Convention Center and Marriott Marquis, San Francisco, California, USA, Apr. 9-13, 2012).
  3. (Invited Talk) "Anisotropic spin fluctuations in 4f and 5f electron systems detected by NMR techniques", H. Sakai, Y. Tokunaga, S. Kambe, Y. Haga, Y. Ōnuki, F. Ronning, E. D. Bauer, and J. D. Thompson (The Fourth International Workshop on the Dual Nature of f-Electrons, Himeji, Japan, Jul. 4-6, 2012).
  4. (Invited Talk) "Recent low temperature NMR studies in actinide compounds", S. Kambe, Y. Tokunaga and H. Sakai (EURACT-NMR meeting, Convention hall hotel Mercure, Avignon, France, Oct. 8-9, 2012).
  5. “29Si-NMR Study of antiferromagnet CeRh2Si2 using single crystals”, H. Sakai, Y. Tokunaga, S. Kambe, Y. Matsumoto, T. D. Matsuda, Y. Haga (The 19th International Conference on Magnetism (ICM) with Strongly Correlated Electron Systems (SCES), Bexco, Busan, Korea, Jul. 8-13, 2012).
  6. "Metal-Insurator crossover accompanied by the dual nature of 5f electrons with localized and itinerant character in US2”, N. Metoki, E. Yamomoto, H. Sakai, Y. Haga, T. D. Matsuda, and S. Ikeda (The 19th International Conference on Magnetism (ICM) with Strongly Correlated Electron Systems (SCES), Bexco, Busan, Korea, Jul. 8-13, 2012).
  7. “Magnetic properties of β-US2 single crystals”, E. Yamamoto, S. Ikeda, H. Sakai, T. D. matsuda, N. Tateiwa, Y. Haga, Y. Onuki, and Z. Fisk (The 19th International Conference on Magnetism (ICM) with Strongly Correlated Electron Systems (SCES), Bexco, Busan, Korea, Jul. 8-13, 2012).


Presentations in Domestic Conferences
  1. “Pressure-induced superconductor CePt2In7: NQR/NMR Study using single crystals”, H. Sakai, Y. Tokunaga, S. Kambe, H. -O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer and Joe D. Thompson (JPS2013 Annual Meeting, Hiroshima Univ., Mar. 26-29, 2013).
  2. “Neutron scattering study on Uranium dichalcogenide”, N. Metoki, H. Sakai, M.-T. Suzuki, E. Yamamoto, Y. Haga, T. D. Matsuda, S. Ikeda (JPS2013 Annual Meeting, Hiroshima Univ., Mar. 26-29, 2013).
  3. “High-field 29Si-NMR Study of URu2Si2”, H. Sakai, Y. Tokunaga, S. Kambe, R. R. Urbano，P. L. Kuhns，A. P. Reyes，P. H. Tobash，F. Ronning，E. D. Bauer, and J. D. Thompson (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).
  4. “NMR Study of Ferromagnet CeRu2Ga2B”, H. Sakai, Y. Tokunaga, S. Kambe, R. E. Baumbach, F. Ronning, E. D. Bauer, and J. D. Thompson (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).
  5. “Al-NMR Study of PrTi2Al20 (II)”, Y. Tokunaga, H. Sakai, S. Kambe, A. Sakai, and S. Nakatsuji (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).
  6. “Cu,Ga-NMR Study of Pr(Cu,Ga)13”, Y. Tokunaga, H. Sakai, S. Kambe, Y. Shimura, K. Kuga, T. Sakakibara, J. Y. Cho, and J. Y. Chan (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).
  7. “Energy Gap Formation through Strong Electron Correlation in Narrow Gap Semiconductor β-US2”, M.-T. Suzuki, N. Metoki, H. Sakai, and Y. Haga (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).
  8. “Crossover of 5f Character in β-US2, a Mott Insulator with a Narrow p-f Hybridization Gap”, N. Metoki, H. Sakai, M. -T. Suzuki, E. Yamamoto, Y. Haga, T. D. Matsuda, and S. Ikeda (JPS 2012 Autumn Meeting, Yokohama National Univ., Sep. 18-21, 2012).


[FY2011]

Articles
  1. "NMR Determination of Noncollinear Antiferromagnetic Structure in TbCoGa5", Y. Tokunaga, Y. Saito, H. Sakai, S. Kambe, N. Sanada, R. Watanuki, K. Suzuki, Y. Kawasaki, and Y. Kishimoto, Phys. Rev. B 84 (2011) 214403.
  2. “Magnetic-Field-Induced Enhancements of Nuclear Spin-Lattice Relaxation Rates in the Heavy-Fermion Superconductor CeCoIn5 Using 59Co Nuclear Magnetic Resonance”, H. Sakai, S. E. Brown, S.-H. Baek, F. Ronning, E. D. Bauer and J. D. Thompson, Phys. Rev. Lett. 107 (2011) 137001.
  3. “Stabilization of Commensurate Antiferromagnetism in CePt2In7 by Pressure Up to 2.4 GPa: 115In NMR and NQR under Zero Field”, H. Sakai, Y. Tokunaga, S. Kambe, H.-O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer and J. D. Thompson, Phys. Rev. B 83 (2011) 140408(R).
  4. “237Np Nuclear Relaxation Rate in Heavy Fermion Superconductor NpPd5Al2”, H. Chudo, Y. Tokunaga, S. Kambe, H. Sakai, Y. Haga, T. D. Matsuda, Y. Ōnuki, H. Yasuoka, D. Aoki, Y. Homma and R. E. Walstedt, Phys. Rev. B 84 (2011) 094402.
  5. “Electronic Inhomogeneity in a Kondo Lattice”, E. D. Bauer, Y.-f. Yang, C. Capan, R. R. Urbano, C. F. Miclea, H. Sakai, F. Ronning, M. J. Graf, A. V. Balatsky, R. Movshovich, A. D. Bianchi, A. P. Reyes, P. L. Kuhns, J. D. Thompson and Z. Fisk, PNAS 108 (2011) 6857.
  6. “NMR Spectral Study under Zero External Field in Pure and Diluted CeRhIn5 by La Substitutions”, H. Sakai, S.-H. Baek, F. Ronning, E. D. Bauer and J. D. Thompson, J. Phys.: Conf. Ser. 273 (2011) 012053.
  7. “Fully Gapped Superconductivity in Ni-Pnictide Superconductors BaNi2As2 and SrNi2P2”, N. Kurita, F. Ronning, C.F. Miclea, Y. Tokiwa, E. D. Bauer, A. Subedi, D. J. Singh, H. Sakai, J. D. Thompson and R. Movshovich, J. Phys.:Conf. Ser. 273 (2011) 012097.
  8. “Dilute La-Substitutions in CeRhIn5 Studied by Means of NMR/NQR Techniques”, H. Sakai, N. Kurita, C. F. Miclea, R. Movshovich, H.-O. Lee, F. Ronning, E. D. Bauer and J. D. Thompson, J. Phys. Soc. Jpn. Suppl. A 80 (2011) SA059.
  9. “T-Dependent Nuclear Hyperfine Coupling at the In Site in CeIrIn5”, S. Kambe, H. Sakai, Y. Tokunaga, T.D. Matsuda, Y. Haga, T. Takeuchi, Y. Ōnuki and R.E. Walstedt, J. Phys. Soc. Jpn. Suppl. A 80 (2011) SA009.
  10. “Non-Magnetic to Magnetic Transition under High Pressure in Narrow-Gap Semiconductor β-US2”, N. Tateiwa, Y. Haga, H. Sakai, S. Ikeda, T.D. Matsuda, E. Yamamoto and Y. Ōnuki, J. Phys. Soc. Jpn. Suppl. A 80 (2011) SA103.
  11. “Crystal Structure and Physical Properties of Trigonal NpGa3 and Np3Ga11”, Y. Haga, D. Aoki, Y. Homma, T. D. Matsuda, S. Ikeda, H. Sakai, E. Yamamoto, A. Nakamura, Y. Shiokawa and Y. Ōnuki, J. Phys. Soc. Jpn. Suppl. A 80 (2011) SA109.
  12. “NMR Study on AmO2: Comparison with UO2 and NpO2”, Y. Tokunaga, T. Nishi, S. Kambe, M. Nakada, Y. Homma, H. Sakai and H. Chudo, J. Phys. Soc. Jpn. Suppl. A 80 (2011) SA110.

Presentations in International Conferences
  1. (Invited Talk) "Anisotropy of Spin Fluctuations in the Heavy Fermion Systems: Nuclear Magnetic Resonance Study", H. Sakai, H. Chudo, Y. Tokunaga, S. Kambe, Y. Haga, F. Ronning, E. D. Bauer, J. D. Thompson, Y. Homma, D. Aoki, Y. Nakano, F. Honda, R. Settai, and Y. Ōnuki (TOKIMEKI2011 International Workshop on Heavy Fermions, Osaka, Japan, Nov. 23-26, 2011).
  2. "Our recent progress of NMR measurements under extreme conditions - our NMR research activity in ASRC-JAEA", H. Sakai (REIMEI2012 Workshop, ILL, Grenoble, France, Feb. 1-3, 2012).
  3. "NMR/NQR Study of Pressure-Induced Superconductor CePt2In7", H. Sakai, Y. Tokunaga, S. Kambe, H.-O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer, and J. D. Thompson (SCES2011, Cambridge, UK, Aug. 29 - Sep. 3, 2011).
  4. (Invited Talk) "Ligand and Actinide NMR Studies in Actinide Oxides and Intermetallic Compounds", S. Kambe, Y. Tokunaga, and H. Sakai (American Chemical Society Fall Meeting, Denver, Colorado, Aug. 28 - Sep. 1, 2011).


Presentations in Domestic Conferences
  1. "NQR/NMR Study (II) of antiferromagnet CePt2In7 using single crystals", H. Sakai, Y. Tokunaga, S. Kambe, H.-O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer, and J. D. Thompson (2011 Autumn Meeting of Phys. Soc. Jpn., Toyama Univ., Sep. 21-24, 2011).
  2. "NMR study of single crystal YbRh2Si2", S. Kambe, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga, G. Lapertot, D. Aoki, J. Flouquet, and J.-P. Brison (2011 Autumn Meeting of Phys. Soc. Jpn., Toyama Univ., Sep. 21-24, 2011).
  3. "NMR/NQR studies of magnetic order in TbCoGa5", Y. Tokunaga, Y. Saito, H. Sakai, S. Kambe, N. Sanada, R. Watanuki, K. Suzuki, Y. Kawasaki, and Y. Kishimoto (2011 Autumn Meeting of Phys. Soc. Jpn., Toyama Univ., Sep. 21-24, 2011).
  4. "Magnetic excitation in uranium dichalcogenides", N. Metoki, E. Yamamoto, H. Sakai, Y. Haga, T. D. Matsuda, and S. Ikeda (2011 Autumn Meeting of Phys. Soc. Jpn., Toyama Univ., Sep. 21-24, 2011).
  5. “Field induced quantum critical behavior in CeCoIn5 investigated by NMR”, H. Sakai, S. E. Brown, S.-H. Baek, F. Ronning, E. D. Bauer and J. D. Thompson, 3rd Domestic Meeting of the Research Area “Emergence of Heavy Electrons and Their Ordering” (ISSP, Univ. of Tokyo, Jun. 23-25, 2011).
  6. "NMR/NQR Study of TbCoGa5", Y. Tokunaga, Y Saito, H. Sakai, S. Kambe, N. Sanada, R. Watanuki, K. Suzuki, Y. Kawasaki, and Y. Kishimoto (3rd Domestic Meeting of the Research Area “Emergence of Heavy Electrons and Their Ordering”, ISSP, Univ. of Tokyo, Jun. 23-25, 2011).
  7. "Magnetic Excitation in Uranium Compounds with localized 5f electrons", N. Metoki, E. Yamamoto, H. Sakai, Y. Haga, T. D. Matsuda, and S. Ikeda (2012 Annual Meeting, Nishinomiya-Uegahara Campus, Kwansei-Gakuin Univ., Hyogo, Japan, Mar. 24-27, 2012).
  8. “29Si-NMR Study of Antiferromagnet CeRh2Si2 Using Single Crystals”, H. Sakai, Y. Tokunaga, S. Kambe, Y. Matsumoto, T. D. Matsuda, and Y. Haga (2012 Annual Meeting, Nishinomiya-Uegahara Campus, Kwansei-Gakuin Univ., Hyogo, Japan, Mar. 24-27, 2012).
  9. “Al-NMR Study of PrTi2Al20”, Y. Tokunaga, H. Sakai, S. Kambe, A. Sakai, and S. Nakatsuji (2012 Annual Meeting, Nishinomiya-Uegahara Campus, Kwansei-Gakuin Univ., Hyogo, Japan, Mar. 24-27, 2012).

FY2010

Articles
  1. “59Co NMR Shift Anomalies and Spin Dynamics in the Normal State of Superconducting CeCoIn5: Verification of Two-Dimensional Antiferromagnetic Spin Fluctuations”, H. Sakai, S.-H. Baek, S. E. Brown, F. Ronning, E. D. Bauer and J. D. Thompson, Phys. Rev. B 82 (2010) 020501(R).
  2. “Anisotropy of Antiferromagnetic Spin Fluctuations in the Heavy Fermion Superconductors of CeMIn5 and PuMGa5 (M=Co, Rh)”, H. Sakai, S. Kambe, Y. Tokunaga, Y. Haga, S.-H. Baek, F. Ronning, E. D. Bauer and J. D. Thompson, in: “Basic Actinide Science and Materials for Nuclear Applications”, Ed. by J. K. Gibson, S. K. McCall, E. D. Bauer, L. Soderholm, T. Fanghaenel, R. Devanathan, A. Misra, C. Trautmann and B. D. Wirth, (Mater. Res. Soc. Symp. Proc., 2010) p. 1264.
  3. “Crystal Structure and Physical Properties of Uranium-Copper Oxyphosphide UCuPO”, H. Sakai, N. Tateiwa, T. D. Matsuda, T. Sugai, E. Yamamoto and Y. Haga, J. Phys. Soc. Jpn. 79 (2010) 074721.
  4. “Anisotropic Spin Fluctuations and Superconductivity in “115” Heavy Fermion Compounds: 59Co NMR Study in PuCoGa5”, S.-H. Baek, H. Sakai, E. D. Bauer, J. N. Mitchell, J. A. Kennison, F. Ronning and J. D. Thompson, Phys. Rev. Lett. 105 (2010) 217002.
  5. “29Si-NMR Study of Magnetic Anisotropy and Hyperfine Interactions in the Uranium-Based Ferromagnet UNiSi2”, H. Sakai, S. -H Baek, E. D. Bauer, F. Ronning and J. D. Thompson, IOP Conf. Series: Materials Science and Engineering 9 (2010) 012097.
  6. “Crystal-Electric-Field Effects and Quadrupole Fluctuations in Ce3Au3Sb4 Detected by Sb NQR”, S.-H. Baek, H. Sakai, H. Lee, Z. Fisk, E. D. Bauer and J. D. Thompson, Phys. Rev. B 82 (2010) 035203.
  7. “235U Nuclear Relaxation Rates in an Itinerant Antiferromagnet USb2”, S.-H. Baek, N. J. Curro, H. Sakai, E.D. Bauer, J. C. Cooley and J. L. Smith, Phys. Rev. B 81 (2010) 054435.
  8. “Anisotropic Spin Fluctuations in Heavy-Fermion Superconductor NpPd5Al2”, H. Chudo, H. Sakai, Y. Tokunaga, S. Kambe, D. Aoki, Y. Homma, Y. Haga, T. D. Matsuda, Y. Onuki and H. Yasuoka, J. Phys. Soc. Jpn. 79 (2010) 053704.
  9. “105Pd NQR Study on NpPd5Al2 and CePd5Al2”, H. Chudo, H. Sakai, Y. Tokunaga, S. Kambe, D. Aoki, Y. Haga, T. D. Matsuda, Y. Homma, Y. Nakano, F. Honda, R. Settai, Y. Onuki and H. Yasuoka, J. Phys.: Conf. Ser. 200 (2010) 012020.
  10. “Diagnosis of Quantum Criticality by Nuclear Spin-Echo Decay Method”, S. Kambe, H. Sakai, Y. Tokunaga, H. Chudo and R. E. Walstedt, physica status solidi (b) 247 (2010) 520.
  11. “Quantum Critical Behavior in Heavy-Fermion Superconductor CeIrIn5”, S. Kambe, H. Sakai, Y. Tokunaga and R. E. Walstedt, Phys. Rev. B 82 (2010) 144503.
  12. “One-Component Description of Magnetic Excitations in the Heavy-Fermion Compound CeIrIn5”, S. Kambe, Y. Tokunaga, H. Sakai, H. Chudo, Y. Haga, T. D. Matsuda and R. E. Walstedt, Phys. Rev. B 81 (2010) 140405(R).
  13. “Quantum Criticality in a Uranium Heavy Fermion System Revealed with NMR Spin-Spin Relaxation”, S. Kambe, H. Sakai, Y. Tokunaga, T. D. Matsuda, Y. Haga, H. Yasuoka, H. Chudo and R. E. Walstedt, J. Phys.: Conf. Ser. 200 (2010) 012076.
  14. “La Substitution Effect and Hyperfine-Enhanced 141Pr Nuclear Spin Dynamics in PrPb3: 139La NMR Study in Pr0.97La0.03Pb3”, Y. Tokunaga, H. Sakai, H. Chudo, S. Kambe, H. Yasuoka, H. S. Suzuki, R. E. Walstedt, Y. Homma, D. Aoki and Y. Shiokawa, Phys. Rev. B 82 (2010) 104401.
  15. “NMR Evidence for the 8.5 K Phase Transition in Americium Dioxide”, Y. Tokunaga, T. Nishi, S. Kambe, M. Nakada, A. Itoh, Y. Homma, H. Sakai and H. Chudo, J. Phys. Soc. Jpn. 79 (2010) 053705.
  16. “17O NMR Study in (Pu0.91Am0.09)O2”, Y. Tokunaga, M. Osaka, S. Kambe, S. Miwa, H. Sakai, H. Chudo, Y. Homma and Y. Shiokawa, J. Nucl. Mater. 396 (2010) 107.
  17. “5f-electronic States of Neptunium Compounds: NpGe3, NpRhGa5 and NpCd11”, Y. Onuki, D. Aoki, Y. Homma, Y. Haga, S. Yoshiuchi, R. Settai, H. Sakai, S. Ikeda, E. Yamamoto, A. Nakamura, Y. Shiokawa, T. Takeuchi and H. Yamagami, IOP Conf. Series: Materials Science and Engineering 9 (2010) 012089.
  18. “Neutron Scattering Study on U-Dichalcogenides”, N. Metoki, K. Kaneko, S. Ikeda, H. Sakai, E. Yamamoto, Y. Haga, Y. Homma and Y. Shiokawa, IOP Conf. Series: Materials Science and Engineering 9 (2010) 012088.
  19. “Fermi Surface Properties of Paramagnetic NpCd11 with a Large Unit Cell”, Y. Homma, D. Aoki, Y. Haga, R. Settai, H. Sakai, S. Ikeda, E. Yamamoto, A. Nakamura, Y. Shiokawa, T. Takeuchi, H. Yamagami and Y. Onuki, IOP Conf. Series: Materials Science and Engineering 9 (2010) 012091.

Presentations in International Conferences
  1. “Anisotropy of antiferromagnetic spin fluctuations in the heavy fermion superconductors of CeMIn5 and PuMGa5 (M=Co, Rh)”: H. Sakai, S. Kambe, Y. Tokunaga, Y. Haga, S. -H. Baek, F. Ronning, E. D. Bauer, and J. D. Thompson, 2010 MRS Spring Meeting (San Francisco, CA, USA) at Symposium Z “Actinides V: Basic Science, Applications and Extreme Environments” (Invited Talk).
  2. "NMR spectral study under zero external field in pure and diluted CeRhIn5 by La substitutions": H. Sakai, S. -H. Baek, F. Ronning, E. D. Bauer and J. D. Thompson, International Conference on Strongly Correlated Electron Systems (SCES2010) (Satan Fe, NM, USA, Jun. 27 - Jul. 2, 2010).
  3. “Dilute La-substitutions in CeRhIn5 studied by means of NMR/NQR techniques”: H. Sakai, N. Kurita, C. F. Miclea, R. Movshovich, F. Ronning, E. D. Bauer, J. D. Thompson, International conference on heavy electron (ICHE2010) (Tokyo Metropolitan Univ, Tokyo, Japan, Sep. 17-20, 2010).
  4. “Our Recent Progress of NMR Measurements under High Pressures in Our Research Group of ASRC-JAEA”, H. Sakai, N. Tateiwa, Y. Haga, Y. Tokunaga, and S. Kambe, 1st ASRC International Workshop - New Approach to the Exotic Phases of Actinides compounds under Unconventional Experimental Conditions - (Tokai, Ibaraki, Japan, Feb. 16-18, 2011) (Invited Talk).


Presentations in Domestic Conferences

  1. “Spin fluctuations anisotropy in d-wave superconductor CeCoIn5 and comparison with the related materials”, H. Sakai, Y. Tokunaga, S. Kambe, Y. Haga, S.-H. Baek, S. E. Brown, F. Ronning, E. D. Bauer, and Joe D. Thompson, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  2. ”Crystal Growth and Physical Properties of Uranium-Copper Oxyphosphide UCuPO”, H. Sakai, N. Tateiwa, T. D. Matsuda, T. Sugai, E. Yamamoto, and Y. Haga, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  3. “Spin fluctuations anisotropy and superconductivity in NpPd5Al2”, H. Chudo, H. Sakai, Y. Tokunaga, S. Kambe, D. Aoki, Y. Homma, Y. Haga, T. Matsuda, Y. Onuki, and H. Yasuoka, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  4. “NMR/NQR Study of TbCoGa5”: Y. Saito, H. Sakai, Y. Tokunaga, S. Kambe, N. Sanada, R. Watanuki, K. Suzuki, Y. Kawasaki, Y. Kishimoto, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  5. “NMR Study of PrTi2Al20”: Y. Tokunaga, Y. Saito, H. Sakai, S. Kambe, A. Sakai, and T. Nakatsuji, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  6. “μSR Study of CeRu2Al10”: S. Kambe, H. Chudo, Y. Tokunaga, T. Koyama, H. Sakai, T. U. Ito, K. Ninomiya, W. Higemoto, T. Takesaka, T. Nishioka, and Y. Miyake, 2010 JPS Fall Meeting (Osaka Pref. Univ., Osaka, Sep. 23-26, 2010).
  7. “NMR Study of antiferromagnet CePt2In7 using single crystals”, H. Sakai, Y. Tokunaga, S. Kambe, H.-O. Lee, V. A. Sidorov, P. H. Tobash, F. Ronning, E. D. Bauer and J. D. Thompson, 2011 JPS Spring Meeting (Niigata Univ.), cancelled due to the Japan quake.
  8. “Magnetic Excitation in Uranium Dichalcogenides”, N. Metoki, E. Yamamoto, H. Sakai, Y. Haga, T. D. Matsuda, and S. Ikeda, 2011 JPS Spring Meeting (Niigata Univ.), cancelled due to the Japan quake.
  9. “NMR study of single crytal YbRh2Si2”, S. Kambe, Y. Tokunaga, H. Sakai, T. D. Matsuda, Y. Haga, G. Lapertot, D. Aoki, J. Flouquet, and J.-P. Brison, 2011 JPS Spring Meeting (Niigata Univ.), cancelled due to the Japan quake.
  10. “NMR Study of PrTi2Al20 (II)”, Y. Tokunaga, H. Sakai, Y. Saito, S. Kambe, A. Sakai and S. Nakatsuji, 2011 JPS Spring Meeting (Niigata Univ.), cancelled due to the Japan quake.
  11. “NMR/NQR studies of TbCoGa5 (II)”, Y. Saito, H. Sakai, Y. Tokunaga, S. Kambe, N. Sanada, R. Watanuki, K. Suzuki,Y. Kawasaki, Y. Kishimoto, 2011 JPS Spring Meeting (Niigata Univ.), cancelled due to the Japan quake.