主な研究歴主な研究歴
T. Koyama, Y. Maeda, K. Ueda, T. Mito, and H.
Suigawara
“Nuclear Quadrupole Resonance Measurement of
the Ferromagnetic Filled-Skutterudite Compound EuRu4Sb12”
J. Phys. Soc. Jpn., 84 (2015) 085001
1-2. 査読有
T. Koyama, T. Maruyama, K. Ueda, T. Mito, A. Mitsuda,
M. Umeda, M. Sugishima,
and H. Wada
“Zero-field NMR and NQR studies of
magnetically ordered state in charge-ordered EuPtP”
Phys.
Rev. B, 91 (2011) 094419
1-4. 査読有
T. Koyama, Y. Maeda, T.
Yamazaki, K. Ueda, T. Mito, K. Kohara, T. Waki, Y. Tabata,
H. Tsunemi, M. Itoh,
and H. Nakamura
“Normal and Superconducting
Properties of the Noncentrosymmetric Mo3Al2C”
J. Phys. Soc. Jpn., 82 (2013)
073709 1-4. 査読有
T.
Koyama, Y. Ozaki, K. Ueda, T. Mito, T. Kohara, T. Waki, Y.
Tabata, C. Michioka,
Y.
Yoshimura, M.-T. Suzuki, and H. Nakamura
“Partial gap opening on the Fermi
surface in the noncentrosymmetric superconductor Mo3Al2C”
Phys. Rev. B, 84 (2011) 212501 1-4. 査読有
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
NMRand Specific Heat Measurements”
J. Phys. Soc. Jpn., 79
(2010) 114723 1-5. 査読有
T. Koyama, H.
Nakamura, T. Kohara, and Y. Takahashi
“Magnetization Process of Narrow-Gap
Semiconductor FeSb2”
J. Phys. Soc. Jpn., 79
(2010) 093704 1-4. 査読有
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 (2009)
1132-1135. 査読有
T. Koyama,
H. Yamashita, Y. Takahashi, T. Kohara, I. Watanabe, Y. Tabata,and H. Nakamura
“Frustration-Induced Valence Bond
Crystal ans Its Melting in Mo3Sb7”
Phys.
Rev. Lett., 101 (2008) 126404
1-4. 査読有
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 (2007) 073203 1-4. 査読有
T. Koyama,
M. Nakamura, T. Mito, S. Wada and J. L. Sarrao
“Competition between the valence transition
and magnetic ordering in YbInCu4 probed
by 63Cu-NQR
and 115In-NMR at high pressures”
Phys. Rev. B, 71 (2005) 184437
1-5. 査読有
T. Koyama, M. Matsumoto, T. Tanaka, H. Ishida, T. Mito, S. Wada,
and J. L. Sarrao
“Physical
properties of the dense Kondo compounds YbXCu4
(X = Au, Ag, In, Cd, Tl, and Mg) probed
by 63Cu NMR”
Phys.
Rev. B, 66 (2002) 014420 1-8. 査読有
T. Koyama,
M Matsumoto, S. Wada, and J. L. Sarrao
“171Yb and 63Cu
magnetic resonance studies on the fluctuation valent compound YbInCu4”
Phys.
Rev. B, 63 (2001) 172410 1-4. 査読有
T. Koyama,
M. Matsumoto, S. Wada, Y. Muro, and M. Ishikawa
“Combination of Dense Kondo Effect and
RKKY Interaction in CeCuSb2 Investigated by NMR”
J. Phys. Soc. Jpn., 70
(2001) 3667-3672. 査読有
T. Koyama,
H. Sugita, S. Wada, and K. Tsutsumi
“NMR investigation of the electric state
in a ternary superconductor Sc5Co4Si5”
J. Phys. Soc. Jpn., 68
(1999) 2326-2330. 査読有