2024 | A. Yashiro, Rahmanto, K. Inami, K. Suzuki, K. Inoh, T. Takahashi, R. Koizumi, Y. Kono, S. Kittaka, Y. Shimizu, F. Honda, D. Aoki, K. Tenya, and M. Yokoyama: "Quantum criticality linked to the suppressed superconducting upper critical field in Ni-doped CeCoIn5", Phys. Rev. Materials 8, L081801 (2024). |
2023 | S. Kittaka, Y. Kono, K. Tsunashima, D. Kimoto, M. Yokoyama, Y. Shimizu, T. Sakakibara, M. Yamashita, and K. Machida: "Modulation vector of the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5 revealed by high-resolution magnetostriction measurements", Phys. Rev. B 107, L220505 (2023). |
K. Iwasa, K. Suyama, S. Ohira-Kawamura, K. Nakajima, S. Raymond, P. Steffens, A. Yamada, T. D. Matsuda, Y. Aoki, I. Kawasaki, S.-i. Fujimori, H. Yamagami, and M. Yokoyama: "Weyl-Kondo semimetal behavior in the chiral structure phase of Ce3Rh4Sn13", Phys. Rev. Materials 7, 014201 (2023). |
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2022 | H. Sakai, Y. Tokunaga, S. Kambe, J.-X. Zhu, F. Ronning, J. D. Thompson, H. Kotegawa, H. Tou, K. Suzuki, Y. Oshima, and M. Yokoyama: "Nested antiferromagnetic spin fluctuations and non-Fermi-liquid behavior in electron-doped CeCo1-xNixIn5", Phys. Rev. B 106, 235152 (2022). |
W. Higemoto, M. Yokoyama, T. U. Ito, T. Suzuki, S. Raymond, and Y. Yanase: "Direct measurement of the evolution of magnetism and superconductivity toward the quantum critical point", Proc. Natl. Acad. Sci. 119, e2209549119 (2022). |
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I. Kawasaki, S.-i. Fujimori, Y. Takeda, H. Yamagami, Rahmanto, Y. Honma, K. Matsuoka, and M. Yokoyama: "Evolution of the electronic structure and correlations accompanied by suppression of itinerant ferromagnetism in Sr1-x(La0.5K0.5)xRuO3", Phys. Rev. B 105, 195122 (2022). |
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M. Yokoyama, Y. Honma, Y. Oshima, Rahmanto, K. Suzuki, K. Tenya, Y. Shimizu, D. Aoki, A. Matsuo, K. Kindo, S. Nakamura, Y. Kono, S. Kittaka, and T. Sakakibara: "Nature of field-induced antiferromagnetic order in Zn-doped CeCoIn5 and its connection to quantum criticality in the pure compound", Phys. Rev. B 105, 054515 (2022). |
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2021 | H. Sakai, Y. Tokunaga, S. Kambe, J.-X. Zhu, F. Ronning, J. D. Thompson, S. K. Ramakrishna, A. P. Reyes, K. Suzuki, Y. Oshima, and M. Yokoyama: "Nanoscale heterogeneity induced by nonmagnetic Zn dopants in the quantum critical metal CeCoIn5: 115In NQR/NMR and 59Co NMR study", Phys. Rev. B 104, 085106 (2021). |
2020 | Y. Shimizu, A. Miyake, A. Maurya, F. Honda, A. Nakamura, Y. J. Sato, D. Li, Y. Homma, M. Yokoyama, Y. Tokunaga, M. Tokunaga, and D. Aoki: "Strong magnetic anisotropy and unusual magnetic field reinforced phase in URhSn with a quasi-kagome structure", Phys. Rev. B 102, 134411 (2020). |
R. Iwahara, R. Sugawara, Rahmanto, Y. Honma, K. Matsuoka, A. Matsuo, K. Kindo, K. Tenya, and M. Yokoyama: "Avoided quantum criticality and cluster-glass formation in itinerant ferromagnet Sr1-x(La0.5K0.5)xRuO3", Phys. Rev. Materials 4, 074404 (2020). |
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2019 | M. Yokoyama, K. Suzuki, K. Tenya, S. Nakamura, Y. Kono, S. Kittaka, and T. Sakakibara: "Anisotropic magnetic-field response of quantum critical fluctuations in Ni-doped CeCoIn5", Phys. Rev. B 99, 054506 (2019). |
2017 | M. Yokoyama, H. Mashiko, R. Otaka, Y. Oshima, K. Suzuki, K. Tenya, Y. Shimizu,
A. Nakamura, D. Aoki, A. Kondo, K. Kindo, S. Nakamura, and T. Sakakibara: "Observation of a new field-induced phase transition and its concomitant quantum critical fluctuations in CeCo(In1-xZnx)5" Phys. Rev. B 95, 224425 (2017). |
2016 | I. Kawasaki, Y. Sakon, S.-i. Fujimori, H. Yamagami, K. Tenya, and M. Yokoyama: "Correlation effect in Sr1-xLaxRuO3 studied by soft x-ray photoemission spectroscopy" Phys. Rev. B 94, 174427 (2016). |
Hirofumi Kawanaka, Yoshihiro Aiura, Takayuki Hasebe, Makoto Yokoyama, Takahiko
Masui, Yoshikazu Nishihara, and Takashi Yanagisawa: "Enhancement of ferromagnetism by oxygen isotope substitution in strontium ruthenate SrRuO3" Scientific Reports 6, 35150 (2016). |
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R. Otaka, M. Yokoyama, H. Mashiko, T. Hasegawa, Y. Shimizu, Y. Ikeda, K.
Tenya, S. Nakamura, D. Ueta, H. Yoshizawa, and T. Sakakibara: "Superconductivity and Non-Fermi-Liquid Behavior in the Heavy-Fermion Compound CeCo1-xNixIn5", J. Phys. Soc. Jpn. 85, 094713 (2016). |
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I. Kawasaki, K. Fujimura, I. Watanabe, M. Avdeev, K. Tenya and M. Yokoyama: "Muon Spin Relaxation and Neutron Diffraction Studies of Cluster-Glass States in Sr1-xLaxRuO3", J. Phys. Soc. Jpn. 85, 054701 (2016). |
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2015 | M. Yokoyama, H. Mashiko, R. Otaka, Y. Sakon, K. Fujimura, K. Tenya, A.
Kondo, K. Kindo, Y. Ikeda, H. Yoshizawa, Y. Shimizu, Y. Kono, and T. Sakakibara:
"Pauli-limited superconductivity and antiferromagnetism in the heavy-fermion compound CeCo(In1-xZnx)5", Phys. Rev. B 92, 184509 (2015). |
2014 | C. Tabata, T, Inami, S. Michimura, M. Yokoyama, H. Hidaka, T. Yanagisawa
and H. Amitsuka: "X-ray backscattering study of crystal lattice distortion in hidden order of URu2Si2", Philosophical Magazine 94, 3691 (2014). |
M. Yokoyama, S. Nakano, S. Ishikawa, N. Wada, S. Takeuchi, I. Kawasaki,
H. Kawanaka and K. Tenya: "Evolution of Ferromagnetic Clusters Originating from Itinerant Ru 4d Electrons in Sr1-xLaxRuO3", JPS Conf. Proc. 3, 013002 (2014). |
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C. Tabata, M. Tokunaga, M. Yokoyama, H. Hidaka, T. Yanagisawa and H. Amitsuka: "Polarized Light Microscopic Study of the Hidden Order Phase in URu2Si2", JPS Conf. Proc. 3, 011062 (2014). |
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I. Kawasaki, M. Yokoyama, S. Nakano, K. Fujimura, N. Netsu, H. Kawanaka
and K. Tenya: "Ferromagnetic Cluster-Glass State in Itinerant Electron System Sr1-xLaxRuO3", J. Phys. Soc. Jpn 83, 064712 (2014). |
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T. Yamazaki, Y. Tabata, T. Waki, T. J. Sato, M. Matsuura, K. Ohoyama, M.
Yokoyama and H. Nakamura: "Novel Magnetic Chiral Structures and Unusual Temperature Hysteresis in the Metallic Helimagnet MnP", J. Phys. Soc. Jpn. 83, 054711 (2014). |
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M. Yokoyama, K. Fujimura, S. Ishikawa, M. Kimura, T. Hasegawa, I. Kawasaki,
K. Tenya, Y. Kono and T. Sakakibara: "Possible Evolution of Antiferromagnetism in Zn-Doped Heavy-Fermion Superconductor CeCoIn5", J. Phys. Soc. Jpn. 83, 033706 (2014). |
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2013 | T. Mito, M. Hattori, G. Motoyama, Y. Sakai, T. Koyama, K. Ueda, T. Kohara,
M. Yokoyama and H. Amitsuka: "Investigation of Local Symmetries in the Hidden-Order Phase of URu2Si2", J. Phys. Soc. Jpn. 82, 123704 (2013). |
2012 | T. Mito, M. Hattori, G. Motoyama, Y. Sakai, T. Koyama, K. Ueda, T. Kohara,
M. Yokoyama and H. Amitsuka: "NMR and NQR investigations of local symmetry in the hidden order phase of URu2Si2", J. Phys.: Conf. Ser. 391, 012044 (2012). |
M. Yokoyama, S. Nakano, S. Someya, T. Nakada, N. Wada, H. Kawanaka, H.
Bando, K. Tenya, A. Kondo and K. Kindo: "Low-temperature specific heat for ferromagnetic and antiferromagnetic orders in CaRu1-xMnxO3", J. Phys.: Conf. Ser. 391, 012114 (2012). |
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T. Nakada, M. Yokoyama, C. Tabata, H. Igarashi, H. Hidaka, H. Amitsuka,
K. Tenya and T. J. Sato: "Neutron Scattering Study on Commensurate and Incommensurate Antiferromagnetic Phases in UPd2Si2 under Uniaxial Stress", J. Phys. Soc. Jpn. 81, SB020 (2012). |
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S. Takagi, S. Ishihara, M. Yokoyama and H. Amitsuka: "Symmetry of the Hidden Order in URu2Si2 from Nuclear Magnetic Resonance Studies", J. Phys. Soc. Jpn. 81, 114710 (2012). |
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K. Tomiyasu, K. Matsuhira, K. Iwasa, M. Watahiki, S. Takagi, M. Wakeshima,
Y. Hinatsu, M. Yokoyama, K. Ohoyama, and K. Yamada: "Emergence of Magnetic Long-range Order in Frustrated Pyrochlore Nd2Ir2O7 with Metal-Insulator Transition", J. Phys. Soc. Jpn. 81, 034709 (2012). |
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M. Yokoyama: "Neutron Scattering for Heavy-Fermion Compounds", Bussei-Kenkyu 97, 675 (2012) (in Japanese). |
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2011 | K. Tomiyasu, H. Ueda, M. Matsuda, M. Yokoyama, K. Iwasa and K. Yamada:
"Molecular spin-liquid state in the spin-3/2 frustrated spinel HgCr2O4", Phys. Rev. B 84, 035115 (2011). |
M. Watahiki, K. Tomiyasu, K. Matsuhira, K. Iwasa, M. Yokoyama, S. Takagi,
M. Wakeshima and Y. Hinatsu: "Crystalline electric field study in the pyrochlore Nd2Ir2O7 with metal-insulator transition", J. Phys.: Conf. Ser. 320, 012080 (2011). |
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T. Mito, M. Hattori, G. Motoyama, H. Sakai, T. Koyama, K. Ueda, T. Kohara,
M. Yokoyama and H. Amitsuka: "73Ge-NMR Investigation of the Hidden Order in URu2Si2", J. Phys. Soc. Jpn. 80, SA016 (2011). |
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T. Waki, S. Terazawa, T. Yamazaki, Y. Tabata, K. Sato, A. Kondo, K. Kindo,
M. Yokoyama, Y. Takahashi and H. Nakamura: "Interplay between quantum criticality and geometric frustration in Fe3Mo3N with stella quadrangula lattice", Europhys. Lett. 94, 37004 (2011). |
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H. Mamiya, H. Hagiya, Y. Oba, M. Ohnuma, T. Oku, J. Suzuki, M. Yokoyama,
T. Katayama, Y. Nishihara, H. Awano and T. Koda: "Thermal fluctuations in perpendicular recording media: New methodology for estimation of activation moment", J. Phys.: Conf. Ser. 266, 012059 (2011). |
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2010 | K. Horiba, H. Kawanaka, Y. Aiura, T. Saitoh, C. Satoh, Y. Kikuchi, M. Yokoyama,
Y. Nishihara, R. Eguchi, Y. Senba, H. Ohashi, Y. Kitajima and S. Shin: "Electronic structure of SrRu1-xMnxO3 studied by photoemission and x-ray absorption spectroscopy", Phys. Rev. B 81, 245127 (2010). |
A. Yamaji, M. Yokoyama, Y. Nishihara, Y. Narumi and K Kindo: “Specific-heat study for ferromagnetic and antiferromagnetic phases in SrRu1-xMnxO3”, J. Phys.: Conf. Ser. 200, 012232 (2010). |
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M. Yokoyama, Y. Ikeda, I. Kawasaki, D. Nishikawa, K. Tenya, K. Kuwahara
and H. Amitsuka: “Magnetic-field dependence of antiferromagnetic structure in CeRh1-xCoxIn5”, J. Phys.: Conf. Ser. 200, 012239 (2010). |
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H. Amitsuka, T. Inami, M. Yokoyama, S. Takayama, Y. Ikeda, I. Kawasaki,
Y. Homma, H. Hidaka and T. Yanagisawa: “Resonant X-ray Scattering Study of Hidden Order in URu2Si2 using a Low-Stress Single Crystal”, J. Phys.: Conf. Ser. 200, 012007 (2010). |
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Y. Ikeda, M. Yokoyama, D. Nishikawa, H. Hidaka, T. Yanagisawa, K. Tenya,
S. Kawarazaki, T.J. Sato, H. Yoshizawa and H. Amitsuka: “Search for Hidden Order Parameter of URu2Si2 by Neutron-Scattering Experiment under Uniaxial Stress”, J. Phys.: Conf. Ser. 200, 012065 (2010). |
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H. Kawanaka, A. Noguchi, M. Yokoyama, H. Bando and Y. Nishihara: “Coexistence of Ferromagnetic and Antiferromagnetic States in CaRu1-xMnxO3”, J. Phys.: Conf. Ser. 200, 032033 (2010). |
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T. Yanagisawa, H. Saito, T. Mayama, Y. Ikeda, H. Hidaka, M. Yokoyama and
H. Amitsuka: “Elastic constants of U(Ru1-xRhx)2Si2”, J. Phys.: Conf. Ser. 200, 012236 (2010). |
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2009 | I. Kawasaki, D. Nishikawa, H. Hidaka, T. Yanagisawa, K. Tenya, M. Yokoyama
and H. Amitsuka: "Magnetic properties around quantum critical point of CePt1-xRhx", Physica B 404, 2908 (2009). |
T. Oku, T. Kikuchi, T. Shinohara, J. Suzuki, Y. Ishii, M. Takeda, K. Kakurai,
Y. Sasaki, M. Kishimoto, M. Yokoyama and Y. Nishihara: "Small-angle polarized neutron scattering study of spherical Fe16N2 nano-particles for magnetic recording tape", Physica B 404, 2575 (2009). |
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M. Yokoyama, I. Kawasaki, S. Oinuma, N. Oyama, K. Tenya, H. Amitsuka: "Effects of Co doping on antiferromagnetic structure in CeRhIn5", Physica B 404, 2539 (2009). |
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H. Kawanaka, M. Yokoyama, A. Noguchi, H Bando and Y. Nishihara: "Itinerant electron magnetism in CaRu1-xMnxO3 (0 < x < 0.5)", J. Phys.: Condens. Matter 21, 296002 (2009). |
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2008 | M. Yokoyama, N. Oyama, H. Amitsuka, S. Oinuma, I. Kawasaki, K. Tenya, M.
Matsuura, K. Hirota and T. J. Sato: "Change of antiferromagnetic structure near a quantum critical point in CeRh1-xCoxIn5", Phys. Rev. B 77, 224501 (2008). |
I. Kawasaki, K. Tenya, M. Yokoyama and H. Amitsuka: "Quantum critical phenomena of ferromagnetic CePt1-xRhx", Physica B 403, 1284 (2008). |
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K. Tenya, R. Yamahana, M. Yokoyama, H. Amitsuka, K. Deguchi and Y. Maeno: "Anomalous pinning behavior in Sr2RuO4", Physica B 403, 1101 (2008). |
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T. Sakakibara, J. Custers, K. Yano, A. Yamada, T. Tayama, Y. Aoki, H. Sato,
H. Sugawara, H. Amitsuka and M. Yokoyama: "Probing the nodal structures of heavy electron superconductors by means of specific heat measurements in magnetic fields", Physica B 403, 990 (2008). |
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H. Amitsuka, K. Matsuda, M. Yokoyama, I. Kawasaki, S. Takayama, Y. Ishihara,
K. Tenya, N. Tateiwa, T.C. Kobayashi and H. Yoshizawa: "Dependence of pressure-induced phase transitions on pressure-transmitting media in the heavy-electron superconductor URu2Si2", Physica B 403, 925 (2008). |
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M. Yokoyama, N. Oyama, H. Amitsuka, S. Oinuma, I. Kawasaki, K. Tenya, M.
Matsuura and K. Hirota: "Polarized neutron scattering study on antiferromagnetic states in CeRh0.6Co0.4In5", Physica B 403, 812 (2008). |
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K. Yano, T. Sakakibara, T. Tayama, M. Yokoyama, H. Amitsuka, Y. Homma,
P. Miranovic, M. Ichioka, Y. Tsutsumi, and K. Machida: "Field-Angle-Dependent Specific Heat Measurements and Gap Determination of a Heavy Fermion Superconductor URu2Si2", Phys. Rev. Lett. 100, 017004 (2008). |
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2007 | M. Yokoyama and H. Amitsuka: "Evolution of Heterogeneous Antiferromagnetic State in URu2Si2: Study of Hydrostatic-Pressure, Uniaxial-Stress and Rh-Dope Effects", J. Phys. Soc. Jpn. 76, Suppl. A 136 (2007). |
K. Tenya, R. Yamahana, A. Ishii, H. Amitsuka, M. Yokoyama, K. Deguchi and
Y. Maeno: "Magnetization study of pairing and vortex states in Sr2RuO4", Topological Aspects of Critical Systems and Networks (World Scientific Publishing, 2007) 178. |
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M. Yokoyama, C. Satoh, K. Fujita, Y. Nishihara, H. Kawanaka and H. Bando: "Relation between magnetism and metal-insulator transition in Mn-doped SrRuO3", Topological Aspects of Critical Systems and Networks (World Scientific Publishing, 2007) 172. |
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S. Takagi, S. Ishihara, S. Saitoh, H. Sasaki, H. Tanida, M. Yokoyama and
H. Amitsuka: "No Evidence for “Small-Moment Antiferromagnetism” under Ambient Pressure in URu2Si2: Single-Crystal 29Si NMR Study", J. Phys. Soc. Jpn. 76, 033708 (2007). |
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H. Kawanaka, C. Satoh, M. Yokoyama, H. Kitazawa, O. Suzuki, G. Kido, H.
Bando and Y. Nishihara: "Magnetism of insulator phase in SrRu1-xMnxO3 (0.4 < x < 0.6)", J. Magn. Magn. Mater. 310, 987 (2007). |
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H. Amitsuka, K. Matsuda, I. Kawasaki, K. Tenya, M. Yokoyama, C. Sekine,
N. Tateiwa, T.C. Kobayashi, S. Kawarazaki and H. Yoshizawa: "Pressure-temperature phase diagram of the heavy-electron superconductor URu2Si2", J. Magn. Magn. Mater. 310, 214 (2007). |
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M. Yokoyama, K. Matsuda, H. Amitsuka, K. Tenya, N. Aso and H. Yoshizawa: "Low-energy magnetic fluctuations in U(Ru1-xRhx)2Si2 (x < 0.02)", J. Magn. Magn. Mater. 310, 328 (2007). |
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K. Matsuda, M. Yokoyama, K. Tenya, H. Amitsuka and H. Yoshizawa: "Neutron-scattering and magnetization study on URu2Si2 under hydrostatic pressure using a Cu-Be pressure cell", J. Magn. Magn. Mater. 310, 337 (2007). |
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2006 | M. Yokoyama, H. Amitsuka, K. Matsuda, A. Gawase, N. Oyama, I. Kawasaki,
K. Tenya and H. Yoshizawa: "New Magnetic State in Incommensurate Magnetic Phase of Heavy-Fermion Superconductor CeRh0.6Co0.4In5 ", J. Phys. Soc. Jpn. 75, 103703 (2006). |
H. Amitsuka, M. Yokoyama, K. Matsuda, K. Tenya and H. Yoshizawa: "Heterogeneous Metallic State in URu2Si2", J. Phys. Soc. Jpn. 75, Suppl. 58 (2006). |
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M. Yokoyama, A. Gawase, H. Amitsuka, K. Tenya and H. Yoshizawa: "Uniaxial-stress effect on the antiferromagnetic state in CePd2Si2", Physica B 378-380, 80 (2006). |
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K. Tenya, S. Yasuda, M. Yokoyama, H. Amitsuka, K. Deguchi and Y. Maeno: "Magnetization study of the superconductivity in Sr2RuO4", Physica B 378-380, 495 (2006). |
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K. Kuwahara, M. Kohgi, K. Iwasa, M. Nishi, K. Nakajima, M. Yokoyama and
H. Amitsuka: "Magnetic form factor of URu2Si2", Physica B 378-380, 581 (2006). |
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K. Tenya, S. Yasuda, M. Yokoyama, H. Amitsuka, K. Deguchi and Y. Maeno: "Unusual Magnetic Response in Superconducting Mixed State of Sr2RuO4", J. Phys. Soc. Jpn. 75, 023702 (2006). |
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H. Amitsuka, K. Tenya and M. Yokoyama: "Antiferromagnetic defects in non-magnetic hidden order of the heavy-electron system URu2Si2", Topology in Ordered Phase (World Scientific Publishing, 2006) 247. |
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K. Tenya, I. Kawasaki, H. Amitsuka, M. Yokoyama, N. Tateiwa and T.C. Kobayashi: "Superconductivity in URu2Si2 under high pressure", Topology in Ordered Phase (World Scientific Publishing, 2006) 277. |
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2005 | M. Yokoyama, H. Amitsuka, K. Tenya, K. Watanabe, S. Kawarazaki, H. Yoshizawa
and J.A. Mydosh: "Competition between hidden order and antiferromagnetism in URu2Si2 under uniaxial stress studied by neutron scattering", Phys. Rev. B 72, 214419 (2005). |
M. Yokoyama and H. Amitsuka: "Competition between Hidden Order and Inhomogeneous Magnetism in URu2Si2", Hamon (Journal of the Japanese Society for Neutron Science) 15, 236 (2005) (in Japanese). |
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S. Saitoh, S. Takagi, M. Yokoyama and H. Amitsuka: "101Ru NQR and Hidden Order in URu2Si2", J. Phys. Soc. Jpn. 74, 2209 (2005). |
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M. Yokoyama, C. Satoh, A. Saitou, H. Kawanaka, H. Bando, K. Ohoyama and
Y. Nishihara: "Antiferromagnetic Order in Disorder-Induced Insulating Phase of SrRu1-xMnxO3 (0.4 < x < 0.6)", J. Phys. Soc. Jpn. 74, 1706 (2005). |
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K. Tenya, I. Kawasaki, K. Tameyasu, S. Yasuda, M. Yokoyama, H. Amitsuka,
N. Tateiwa and T.C. Kobayashi: "Magnetization study of heavy Fermion superconductor URu2Si2 under high pressures", Physica B 359-361, 1135 (2005). |
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M. Yokoyama, H. Amitsuka, S. Itoh, I. Kawasaki, K. Tenya and H. Yoshizawa: "Magnetic Excitations in U(Ru1-xRhx)2Si2 (x < 0.03)", Physica B 359-361, 1129 (2005). |
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2004 | M. Yokoyama, H. Amitsuka, S. Itoh, I. Kawasaki, K. Tenya and H. Yoshizawa: "Neutron Scattering Study on Competition between Hidden Order and Antiferromagnetism in U(Ru1-xRhx)2Si2 (x < 0.05)", J. Phys. Soc. Jpn. 73, 545 (2004). |
2003 | K. Kuwahara, H. Sagayama, K. Iwasa, M. Kohgi, S. Miyazaki, J. Nozaki, J.
Nogami, M. Yokoyama, H. Amitsuka, H. Nakao, Y. Murakami : "High Pressure X-Ray Diffraction Study of URu2Si2 ", Acta Phys. Pol. B 34, 4307 (2003). |
R. Giri, C. Sekine, Y. Shimaya, I. Shirotani, K. Matsuhira, Y. Doi, Y.
Hinatsu, M. Yokoyama, and H. Amitsuka: "Magnetic properties of Sm-based filled skutterudite phosphides", Physica B 329, 458 (2003). |
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H. Amitsuka and M. Yokoyama: "Inhomogeneous Magnetism and Hidden Order in URu2Si2", Physica B 329, 452 (2003). |
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M. Yokoyama, J. Nozaki, H. Amitsuka, K. Watanabe, S. Kawarazaki, H. Yoshizawa
and J.A. Mydosh: "Nonequilibrium Antiferromagnetic State in the Heavy Electron Compound URu2Si2", Acta Phys. Pol. B 34, 1067 (2003). |
|
H. Amitsuka, K. Tenya, M. Yokoyama, A. Schenck, D. Andreica, F.N. Gygax,
A. Amato, Y. Miyako, Ying Kai Huang, and J.A. Mydosh: "Inhomogeneous Magnetism in URu2Si2 Studied by Muon Spin Relaxation under High Pressure", Physica B 326, 418 (2003). |
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2002 | M. Yokoyama, H. Amitsuka, K. Kuwahara, K. Tenya and T. Sakakibara: "Anomalous Fermi Liquid Behavior of the Dilute Uranium Alloys La1-xUxRu2Si2 (x < 0.07)", J. Phys. Soc. Jpn. 71, 3037 (2002). |
S. Kawarazaki, Y. Uwatoko, M. Yokoyama, Y. Okita, Y. Tabata, T. Taniguchi
and H. Amitsuka: "Cryogenic System for Neutron Scattering Experiments with In Situ Pressure Tuning Mechanism: Response of the Antiferromagnetism of URu2Si2 to Uniaxial Stress", Jpn. J. Appl. Phys. 41, 6252 (2002). |
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T. Sakakibara, T. Tayama, K. Tenya, M. Yokoyama, H. Amitsuka, D. Aoki,
Y. Onuki, Z. Kletowski and S. Kunii: "Multipole Ordering in f Electron Systems", J. Phys. Chem. Solids 63, 1147 (2002). |
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T. Sakakibara, K. Tenya, M. Yokoyama, H. Amitsuka and S. Kunii: "Anomalous Uniaxial Pressure Effect on the Phase IV Ordering in CexLa1-xB6", J. Phys. Soc. Jpn. 71, Suppl. 48 (2002). |
|
H. Amitsuka, A. Nogami, K. Tenya, M. Yokoyama, S. Miyazaki, T. Sakakibara,
M. Nakayama, N. Kimura, H. Aoki and T. Komatsubara: "Low-Temperature Magnetization Study on the non-Kramers Cubic System Pr3Pd20Ge6", J. Phys. Soc. Jpn. 71, Suppl. 124 (2002). |
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M. Yokoyama, H. Amitsuka, K. Watanabe, S. Kawarazaki, H. Yoshizawa and
J.A. Mydosh: "Effects of Uniaxial Stress on Antiferromagnetic Moment in the Heavy Electron Compound URu2Si2 ", J. Phys. Soc. Jpn. 71, Suppl. 264 (2002). |
|
M. Yokoyama, K. Tenya and H. Amitsuka: "Thorium Dilution Effects of the Heavy Electron Compound URu2Si2 ", Physica B 312-313, 498 (2002). |
|
H. Amitsuka, M. Yokoyama, S. Miyazaki, K. Tenya, T. Sakakibara, W. Higemoto,
K. Nagamine, K. Matsuda, Y. Kohori and T. Kohara: "Hidden Order and Weak Antiferromagnetism in URu2Si2 ", Physica B 312-313, 390 (2002). |
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2001 | T. Tayama, T. Sakakibara, K. Kitami, M. Yokoyama, K. Tenya, H. Amitsuka,
D. Aoki, Y. Onuki and Z. Kletowski: "Antiferro-Quadrupolar Ordering and Multipole Interactions in PrPb3", J. Phys. Soc. Jpn. 70, 248 (2001). |
2000 | T. Honma, Y. Inada, R. Settai, S. Araki, Y. Tokiwa, T. Takeuchi, H. Sugawara,
H. Sato, K. Kuwahara, M. Yokoyama, H. Amitsuka, T. Sakakibara, E. Yamamoto,
Y.Haga, A. Nakamura, H. Harima, H. Yamagami, and Y. Onuki: "Magnetic and Fermi Surface Properties of the Ferromagnetic Compound UGa2", J. Phys. Soc. Jpn. 69, 2647 (2000). |
T. Sakakibara, T. Tayama, K. Kitami, M. Yokoyama, K. Tenya, H. Amitsuka,
T. Matsumura, D. Aoki, Y. Onuki, Z. Kletowski and T. Suzuki: "Interplay of Orbital and Magnetic Degrees of Freedom in f-Electron Systems: The case of PrPb3 and TmTe", J. Phys. Soc. Jpn. 69, suppl. A. 25 (2000). |
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H. Amitsuka, M. Yokoyama, K. Tenya, T. Sakakibara, K. Kuwahara, M. Sato,
N. Metoki, T. Honma, Y. Onuki, S. Kawarazaki, Y. Miyako and J.A. Mydosh: "Pressure-Induced Magnetic Phase Transition of the 5f Electron System URu2Si2 ", J. Phys. Soc. Jpn. 69, suppl. A. 5 (2000). |
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M. Yokoyama, H. Amitsuka, K. Kuwahara, A. Okumura, K. Tenya, and T. Sakakibara: "Unusual Low Temperature Behavior of the Dilute Uranium Alloys La1-xUxRu2Si2 (x < 0.07)", Physica B 281&282, 395 (2000). |
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K. Kuwahara, A. Okumura, M. Yokoyama, K. Tenya, H. Amitsuka, and T. Sakakibara: "Elastic Constants of URu2Si2 in Magnetic Fields", Physica B 281&282, 238 (2000). |
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H. Amitsuka, K. Kuwahara, M. Yokoyama, K. Tenya, T. Sakakibara, M. Mihalik,
A.A. Menovsky: "Non-Fermi-Liquid Behavior in R1-xUxRu2Si2 (R =Th, Y and La; x < 0.07)", Physica B 281&282, 326 (2000). |
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C. Sekine, T. Inaba, I. Shirotani, M. Yokoyama, H. Amitsuka, and T. Sakakibara: "The specific heat of the filled skutterudite PrRu4P12 in magnetic fields", Physica B 281&282, 303 (2000). |
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N. Metoki, Y. Koike, Y. Haga, T. Honma, M. Sato, Y. Onuki, N. Kimura, K.
Maesawa, H. Amitsuka, M. Yokoyama, K. Kuwahara, and Y. Miyako: "Neutron-Scattering Studies on Heavy-Fermion Superconductors", Physica B 280, 362 (2000). |
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1999 | H. Amitsuka, M. Sato, N. Metoki, M. Yokoyama, K. Kuwahara, T. Sakakibara,
H. Morimoto, S. Kawarazaki, Y. Miyako, and J.A. Mydosh: "Effect of Pressure on Tiny Antiferromagnetic Moment in the Heavy-Electron Compound URu2Si2", Phys. Rev. Lett. 83, 5114 (1999). |