主な論文
主な論文
| T. Mito, T. Koyama, K. Nakagawara, T. Ishida, K. Ueda, T. Kohara, K. Matsubayashi, Y. Saiga, K. Munakata, Y. Uwatoko, M. Mizumaki, N. Kawamura, B. Idzikowski,
and M. Reiffers
“Mechanism of Field Induced Fermi Liquid State in Yb-Based Heavy-Fermion Compound:X-ray Absorprion Spectroscopy and Nuclear Magnetic Resonance Studies of
YbCo2Zn20”
J. Phys. Soc. Jpn., 81, 033706 (2012). |
|
| T. Koyama, Y. Ozaki, K. Ueda, T. Mito, T. Kohara, T. Waki, Y. Tabata, C.
Michioka, K. Yoshimura, M. Suzuki, and H. Nakamura “Observation of the Partial Fermi Surface Quenching in the Noncentrosymmetric Superconductor Mo3Al2C” J. Phys. Soc. Jpn., 81, Suppl. B, SB008 (2012). |
|
| T. Ishida, T. Mito, K. Nakagawara, T. Koyama, K. Ueda, T. Kohara, K. Matsubayashi,
Y. Saiga, K. Munakata, and Y. Uwatoko “NMR Studies of Yb-Based Heavy Fermion Compound YbCo2Zn20” J. Phys. Soc. Jpn., 81, Suppl. B, SB061 (2012). |
|
| K. Nishiyama, T. Mito, Y. Kujirai, T. Koyama, K. Ueda, T. Kohara, K. Takeuchi,
H. Akutsu, J. Yamada, A. Kornilov, V. M. Pudalov, and J. S. Qualls,
“77Se-NMR Study of quasi-one dimentional organic conductor (TMTSF)2X”J. Phys.: Conf. Ser., 344, 012026 (2012). |
|
|
T. Koyama, Y. Ozaki, K. Ueda, T. Mito, T. Kohara, T. Waki, Y. Tabata, C. Michimoto, K. Yoshimura, M.-T. Suzuki, and H. Nakamura “Partial gap opening on the Fermi surface of the noncentrosymmetric superconductor Mo3Al2C” Phys. Rev. B, 84, 212501 (2011). |
|
|
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, Suppl SA016 (2011). |
|
| G. Pristas, T. Mito, T. Kohara, S. Gabani, M. Reiffers, K. Flachbart, N. Takeshita, and N. Shitsevalova “Pressure-Induced Suppression of Energy Gap in the Kondo Insulator SmB6 Studied by 11B-NMR” J. Phys. Soc. Jpn., 80, Suppl SA078 (2011). |
|
|
T. Koyama, M. Abe, T. Mito, K. Ueda, T. Kohara, and H. S. Suzuki “NMR sutudy in the half-Heusler type comound YbPtSb” Journal of Physics, Conference series 273, 012040 1-4 (2011). |
|
| T. Koyama, M. Abe, T. Mito, K. Ueda, T. Kohara, and H. S. Suzuki “NMR study of half-Heusler type compounds YbPtSb and LuPtSb” J. Phys. Soc. Jpn., 80, Suppl SA097 (2011). |
|
|
T. Koyama, K. Kanda, G. Motoyama, T. Mito, K. Ueda, T. Kohara, H. Nakamura, and H. Harima “Electron Correlations in the Superconductor Rh17S15 Studied by 103Rh-NMR and Specific Heat Measurements” J. Phys. Soc. Jpn., 79, 114723 (2010). |
|
|
T. Koyama, H. Nakamura, T. Kohara, and Y. Takahashi “Magnetization Process of Narrow-Gap Semiconductor FeSb2” J. Phys. Soc. Jpn., 79, 093704 1-4 (2010). |
|
|
S. Kambe, H. Chudo, Y. Tokunaga, T. Koyama, H. Sakai, T. U. Ito, K. Ninomiya, W. Higemoto,
T. Takesaka, T. Nishioka, and Y. Miyake
“Evidence for Appearance of an Internal Field in the Ordered State of CeRu2Al10 by μ+SR”J. Phys. Soc. Jpn., 79, 053708 1-3 (2010). |
|
|
T. Mito, K. Nishiyama, T. Koyama, K. Ueda, T. Kohara, K. Takeuchi, H. Akutsu, J. Yamada, A. Kornilov, V.M. Pudalov, J.S. Qualls “77Se-NMR study of nonmagnetic-magnetic transition in (TMTSF)2X” Physica C: 470, S592-S593 (2010). |
|
|
T. Koyama, K. Kanda, G. Motoyama, K. Ueda, T. Mito, T. Kohara, and H. Nakamura “103Rh-NMR investigation of the superconductor Rh17S15” Physica C: 470, S734-S735 (2010). |
|
|
K. Ueda, T. Koyama, and T. Kohara “Nuclear magnetic resonance study of some Ce-based superconductors with noncentrosymmetric crystal structure” Journal of Applied Physics, 107, 09E139 1-3 (2010). |
|
|
T. Koyama, K. Kanda, K. Ueda, T. Mito, K. Kohara, and H. Nakamura “103Rh-NMR studies in the superconductor Rh17S15” Journal of Physics, Conference series, 200, 012095 1-4 (2010). |
|
|
M. Nishiyama, T. Kohara and H. Nakamura “Transition from weak ferromagnetism to metamagnetism in the itinerant-electron system Y1-xLaxCo9Si4” Journal of Physics: Conference Series 200, 6 012145-1-4 (2010). |
|
|
T. Mito, T. Koyama, K. Nakagawara, T. Ishida, K. Ueda, T. Kohara, K. Matsubayashi, 他5名 “Magnetic Field Effect On Yb-based Heavy Fermions Near Magnetic-nonmagnetic Transition” Acta Physica Polonica A, 108, 870 (2010). |
|
|
K. Ueda, T. Koyama, and T. Kohara Nuclear magnetic resonance study of some Ce-based superconductors with noncentrosymmetric crystal structure Journal of Applied Physics 107, 09E139 (2010). |
|
|
T. Mito, S. Tomisawa, S. Wada, H. Harima, K. Hashi, T. Shimizu, A. Goto, S. Ohki, Y. Kato, M. Kosaka 27Al-NMR/NQR studies on YbAl3C3 J. Phys. Soc. Jpn. 78, pp. 014709 (2009). |
|
|
T. Koyama, H. Yamashita, T. Kohara, Y. Tabata, and H. Nakamura “Structural transition in the normal state of the superconductor Mo3Sb7” Materials Research Bulletin, 44, 1132-1135 (2009). |
|
|
T. Mito, M. Otani, M. Nakamura, T. Koyama, S. Wada, H. Kotegawa, T. C. Kobayashi, B. Idzikowski, M. Reiffers, J. L. Sarrao “Pressure effect on Yb-based strongly correlated electron systems” Acta Physica Polonica A 115, 47-52 (2009). |
|
|
Y. Tabata, T. Koyama, T. Kohara, I. Watanabe, and H. Nakamura “Structural transition in Mo3Sb7 probed by muon spin relaxation” Physica B, 404, 746-768 (2009). |
|
|
K. Ueda, G. Motoyama, T. Kohara “Two superconducting phases in CePt3Si confirmed by NMR” Journal of Physics: Conference Series, 150, 052276-1-4 (2009). |
|
|
S. Masaki, T. Mito, S. Wada, H. Sugawara, D. Kikuchi, H. Sato “Dual magnetic correlations in filled skutterudite compound NdRu4P12” Phys. Rev. B 78, pp. 094414-1-5 (2008). |
|
|
S. Tomisawa, T. Mito, S. Wada, K. Hashi, T. Shimizu, A. Goto, S. Ohki, Y. Kato, M. Kosawa “NMR study of YbAl3C3 in high magnetic field” J. Phys. Soc. Jpn., 77, Suppl A, pp. 291-293 (2008). |
|
|
S. Masaki, T. Mito, S. Wada, H. Sugawara, D. Kikuchi, H. Sato, M. Takigawa, N. Takeda, G. -q. Zheng “31P-NMR study in single crystal SmRu4P12” J. Phys. Soc. Jpn., 77, Suppl A, pp. 206-208 (2008). |
|
|
K. Ueda, G. Motoyama, T. Kohara “Microscopic Properties in Non-centrosymmetric Supercondoutors” Magnetic Materials[AIP] (Proc. of ICMM-2007), pp. 187-191 (2008). |
|
|
T. Koyama , H. Yamashita, Y.Takahashi, T. Kohara, I. Watanabe, Y.Tabata, H. Nakamura “Frustraction-Induced Valence Bond Crystal and Its Melting in Mo3Sb7” Physical Review Letters 101, pp. 126404 1-4(2008). |
|
|
Y. Muro, H. Nakamura and T. Kohara “NMR study of quasi-one-dimensional itinerant-electron magnets RMn4Al8 (R=Y, Lu and Sc)” Physica B: Condensed Matter, in Press, (2007). |
|
|
T. Koyama, Y. Fukui, Y. Muro, T. Nagao, H. Nakamura, and T. Kohara “Nuclear quadrupole resonance study of the electronic properties of the narrow-gap semiconductor FeSb2” Phys. Rev. B 76, pp. 073203-1-4 (2007). |
|
|
H. Nakamura, Y. Muro, T. Kohara and M. Shiga “Effects of geometry in itinerant electron magnets” J. Phys.: Condens. Matter 19, pp. 145285-1-6 (2007). |
|
|
R. Ikeno, H. Nakamura and T. Kohara “Cluster-spin dynamics in a GaMo4S8-type compound: 27Al nuclear magnetic resonance study of AlMo4S8” J. Phys.: Condens. Matter 19, pp. 046206-1-7 (2007). |
|
|
Y. Muro, H. Nakamura and T. Kohara “NMR study on the low-temperature state of LaMn4Al8” Journal of Magnetism and Magnetic Materials 310, pp. 1038-1040 (2007). |
|
|
K. Ueda, T. Kohara, G. Motoyama and Y. Oda “NMR study of novel heavy fermion superconductor CePt3Si” Journal of Magnetism and Magnetic Materials 310, pp. 608-610 (2007). |
|
|
G. Motoyama, M. Watanabe, K. Maeda, Y. Oda, K. Ueda and T. Kohara “Specific heat measurements of CePt3Si and Ce1+xPt3+ySi1+z” Journal of Magnetism and Magnetic Materials 310, pp. e126-e128 (2007). |
|
|
Gaku Motoyama, Suguru Yamamoto, Hiroaki Takezoe, Yasukage Oda, Ko-ichi Ueda, and Takao Kohara “Magnetism and Superconductivity of CePt3Si and Ce1+xPt3+ySi1+z” J. Phys. Soc. Jpn. 75, pp. 013706-1-4 (2006). |
|
|
K. Ueda, T. Koyama, K. Hamamoto, T. Kohara, G. Motoyama, and Y. Oda “NMR study of heavy fermion superconductor with no inversion symmetry CePt3Si” J. Appl. Phys. 99, pp. 08M511 (2006). |
|
|
Y. Kohori, H. Fukazawa, Y. Iwamoto, T. Kohara, A.V. Andreev and V. Sechovsky “NMR and NQR studies of 5f-band metamagnetic UCoAl and UCo1-xTxAl (T=Fe,Ni)” Physica B: Condensed Matter 378-380, pp. 968-969 (2006). |
|
|
Y. Muro, H. Nakamura and T. Kohara “The pseudogap and anisotropic thermal expansion in RMn4Al8 (R = La, Y, Lu and Sc)” J. Phys.: Condens. Matter 18, pp. 3931-3936 (2006). |
|
|
Y. Muro, G. Motoyama, H. Nakamura and T. Kohara “Magnetovolume effects of quasi-one-dimensional itinerant electron magnets (La1-xYx)Mn4Al8” Physica B: Condensed Matter 378-380, pp. 673-674 (2006). |
|
|
Saurav Giri, Hiroyuki Nakamura, and Takao Kohara “Classical antiferromagnetism in MnSc2S4: A 45Sc-NMR study” Phys. Rev. B 72, pp. 132404-1-4 (2005). |
|
|
Hiroyuki Nakamura, Yoichi Muro, Saurav Giri, Junpei Umemura, Hisao Kobayashi, Takehide Koyama and Takao Kohara “Quasi-One-Dimensional Itinerant Electron System (La-Y)Mn4Al8 with Soft Spin Gap” Journal of the Physical Society of Japan 74, pp. 2421-2424 (2005). |
|
|
Yoichi Muro, Saurav Giri, Gaku Motoyama, Hiroyuki Nakamura and Takao Kohara “Quenching and Recovery of Spin in Quasi-One-dimensional Itinerant Electron Magnet LaMn4Al8” Journal of the Physical Society of Japan 74, pp. 1135-1138 (2005). |
|
|
Y. Kohori, H. Taira, H. Fukazawa, T. Kohara, Y. Iwamoto, T. Matsumoto and M.B. Maple “115In-NQR study of CeCoIn5 under high pressure” Physica B: Condensed Matter 359-361, pp. 395-397 (2005). |
|
|
Y. Kohori, H. Saito, Y. Kobayashi, H. Taira, Y. Iwamoto, T. Kohara, T. Matsumoto, E. D. Bauer, M. B. Maple and J. L. Sarrao “115In-NQR study of superconducting CeCoIn5 under high pressure” Journal of Magnetism and Magnetic Materials 272-276, pp. 189-190 (2004). |
|
|
Y. Iwamoto, K. Ueda, T. Kohara, Y. Kohori, V. S. Zapf, T. A. Sayles, M. B. Maple, P. G. Pagliuso, N. O. Moreno, and J. L. Sarrao “Nuclear quadrupole resonance and nuclear magnetic resonance studies of heavy fermion Ce1-xRxRhIn5 (R=Y,La)” J. Appl. Phys. 95, pp. 7210 (2004). |
|
|
Hiroyuki Nakamura, Saurav Giri and Takao Kohara “Pseudogap in YMn4Al8” Journal of the Physical Society of Japan 73, pp. 2971-2974 (2004). |
|
|
Tetsuya Hama, Masahiro Matsumura, Harukazu Kato, Hideki Yamagata, Yoh Kohori,Takao Kohara and Yuji Iwamoto “55Mn-NQR Study at Mn-II Sites in β-Mn Metal: A Possible Effect of Geometrical Frustration” Journal of the Physical Society of Japan 73, pp. 2305-2312 (2004). |
|
|
Ghoshray, B. Bandyopadhyay, K. Ghoshray, V. Morchshakov, K. Barner,
I. O. Troyanchuk, H. Nakamura, T. Kohara, G. Y. Liu, and G. H. Rao
“Phase separation in Nd1-xSrxCoO3 using 59Co-NMR”Phys. Rev. B 69, pp. 064424-1-8 (2004). |
|
|
Y. Kohori, T. Kohara, N. Sato and T. Kinokiri “Sb NQR study of superconducting YbSb2” Physica C: Superconductivity 388-389, pp. 579-580 (2003). |
|
|
K. Matsuda, Y. Kohori, T. Kohara, H. Amitsuka, K. Kuwahara and T. Matsumoto “The appearance of homogeneous antiferromagnetism in URu2Si2 under high pressure: a 29Si nuclear magnetic resonance study”
J. Phys.: Condens. Matter 15, pp. 2363-2373 (2003).
|
|
|
Y. Kohori, Y. Yamato, Y. Iwamoto, T. Kohara, E. D. Bauer, M. B. Maple and J. L. Sarrao “NMR and NQR studies of superconducting CeTIn5 (T=Co, Rh and Ir)” Physica B: Condensed Matter 312-313, pp. 126-128 (2002). |
|
|
K. Matsuda, Y. Kohori, T. Kohara, H. Amitsuka and T. Matsumoto “29Si-NMR study of URu2Si2 under pressure” Physica B: Condensed Matter 312-313, pp. 504-505 (2002). |
|
|
K. Matsuda, Y. Kohori, T. Kohara “Spatially Inhomogeneous Development of Antiferromagnetism in URu2Si2:Evidence from 29Si NMR under Pressure” Phys. Rev Lett 87, 087203 (2001). |
|
|
Y. Kohori, Y. Yamato, Y. Iwamoto, T. Kohara, E. D. Bauer, M. B. Maple, and J. L. Sarrao “NMR and NQR studies of the heavy fermion superconductors CeTIn5 (T = Co and Ir)” Phys. Rev. B 64, pp. 134526-1-6 (2001). |
|
|
Y. Iwamoto, K. Ueda, T. Kohara, A. V. Andreev, L. Havela and V. Sechovsk “Microscopic measurements on the band 5f-metamagnetism in UCoAl” Journal of Magnetism and Magnetic Materials 234, pp. 207-212 (2001). |
|
|
Y. Iwamoto, K. Ueda and T. Kohara “NMR study of borocarbide superconductor RENi2B2C” Physica B: Condensed Matter 281-282, pp. 998-1000 (2000). |
|
|
K. Matsuda, Y. Kohori, T. Kohara, K. Kuwahara and H. Amitsuka “NMR and NQR studies of URu2Si2” Physica B: Condensed Matter 281-282, pp. 989-990 (2000). |
|
|
K. Ueda, T. Kohara, D. A. Gajewski and M. B. Maple “NMR study of Sc1-xUxPd3 under non-fermi liquid state” Physica B: Condensed Matter 281-282, pp. 400-401 (2000). |
|
|
K. Fujiwara, H. Yoshioka, K. Miyoshi, J. Takeuchi, Y. Kohori and T. Kohara “NQR study of CeCu5.9Au0.1 under pressure” Physica B: Condensed Matter 281-282, pp. 361-362 (2000). |
|
|
Y. Kohori, T. Kohara, Y. Yamato, G. Tomka and P. C. Riedi “115In-NQR study in CeIn3 under pressure” Physica B: Condensed Matter 281-282, pp. 12-13 (2000). |
|
|
S. Mishina, Y. Iwamoto, Y. Kohori, K. Ueda, T. Kohara, M-H. Jung, and T. Takabatake “Nuclear magnetic resonance and nuclear quadrupole resonance studies of 61Ni in heavy fermion compounds Ce7Ni3” J. Appl. Phys. 87, pp. 5134 (2000). |
|
|
T. Kohara, S. Mishina, K. Ueda, Y. Yamamoto and Y. Miyako “NMR study of itinerant heavy electron system Ce(Ru1-xRhx)2Si2” Physica B: Condensed Matter 284-288, pp. 1271-1272 (2000). |
|
|
K. Matsuda, Y. Kohori, T. Kohara and K. Fujiwara “101Ru nuclear magnetic resonance/nuclear quadrupole resonance (NMR/NQR) and 29Si-NMR studies of the metamagnetic-like transition in CeRu2Si2”
J. Phys.: Condens. Matter 12, pp. 2061-2069 (2000).
|