NMR Measurements on a Triangular-Lattice Antiferromagnet YbCuGe
A. Oyamada; K. Araki; K, Katoh
JPS Conf. Proc., 2020年, 査読有り
三角格子反強磁性体UNi4Bの異常ホール効果
A. Oyamada; T. Inohara; E. Yamamoto; Y. Haga
Progress in Nuclear Science and Technology, 2018年11月, 査読有り
21aPS-116 量子スピン三角格子反強磁性体YbCuGeのスピンダイナミクス
小山田 明; 前川 覚; 荒木 幸治; 加藤 健一
日本物理学会講演概要集, 2015年
[要修正]Different high-temperature spin dynamics of Ising pyrochlore Dy 2Sn 2O 7 and Heisenberg pyrochlore Gd 2Sn 2O 7
T. Kaibuchi; H. Tashiro; T. Itou; M. Nishiyama; A. Oyamada; S. Maegawa; K. Matsuhira
Journal of the Physical Society of Japan, 2012年05月, 査読有り
[要修正]Nuclear magnetic resonance of the inequivalent carbon atoms in the organic spin-liquid material EtMe3Sb[Pd(dmit)2]2
T. Itou; K. Yamashita; M. Nishiyama; A. Oyamada; S. Maegawa; K. Kubo; R. Kato
Physical Review B - Condensed Matter and Materials Physics, 2011年09月, 査読有り
Critical behavior in a Kondo-screening partially-ordered antiferromagnet CePdAl
A. Oyamada; T, Kaibuchi; M. Nishiyama; T. Itou; S. Maegawa; Y. Isikawa; A. Dönni; H. Kitazawa
Journal of Physics: Conf. Series, 2011年, 査読有り
Effect of DM interaction in a quantum antiferromagnet on a deformed Kagome lattice, Rb2Cu3SnF12
H. Tashiro; M. Nishiyama; A. Oyamada; T. Itou; S. Maegawa; M. Yano; T. Ono; H. Tanaka
Journal of Physics: Conf. Series, 2011年, 査読有り
Ground state of the organic spin-liquid material EtMe3Sb[Pd(dmit) 2] 2
T. Itou; A. Oyamada; S. Maegawa; R. Kato
Journal of Physics: Conf. Series, 2011年
NMR study of quantum spin liquid and its phase transition in the organic spin-1/2 triangular lattice antiferromagnet EtMe3Sb[Pd(dmit) 2] 2
S. Maegawa; T. Itou; A. Oyamada; R. Kato
Journal of Physics: Conf. Series, 2011年, 査読有り
NMR study of pyrochlore lattice antiferromagnet, melanothallote Cu2OCl2
M. Nishiyama; A. Oyamada; T. Itou; S. Maegawa; H. Okabe; J. Akimitsu
Journal of Physics: Conf. Series, 2011年, 査読有り
An exotic ordered phase in the pyrochlore-like antiferromagnet Ni2(OH)3Cl studied by NMR
S. Sato; A. Oyamada; M. Nishiyama; T. Itou; S. Maegawa; X.G. Zheng; M. Hagihala
J. Phys.: Conf, 2011年, 査読有り
[要修正]Low-frequency spin dynamics and NMR spin-lattice relaxation in antiferromagnetic rings
T. Itou; T. Sagane; A. Oyamada; S. Maegawa; S. Igarashi; Y. Yukawa
Physical Review B - Condensed Matter and Materials Physics, 2011年01月, 査読有り
[要修正]Instability of a quantum spin liquid in an organic triangular-lattice antiferromagnet
T. Itou; A. Oyamada; S. Maegawa; R. Kato
Nature Physics, 2010年09月, 査読有り
[要修正]Novel frustrated behavior in quantum Heisenberg antiferromagnets on the pyrochlore lattice: NMR studies of R 2(OH) 3Cl (R = Cu and Ni)
S. Maegawa; A. Oyamada; S. Sato
Journal of the Physical Society of Japan, 2010年01月, 査読有り
13C NMR study of the spin-liquid state in the triangular quantum antiferromagnet EtMe3Sb[Pd(dmit)2]2
T. Itou; A. Oyamada; S. Maegawa; M. Tamura; R. Kato
J. Phys.: Conf. Series, 2009年, 査読有り
Spin dynamics in a triangular antiferromagnet UNi4B
A. Oyamada; M. Kondo; T. Itou; S. Maegawa; D.X. Li; Y. Haga
J. Phys.: Conf. Series, 2009年, 査読有り
Spin dynamics in 3d electron pyrochlore-like systems
S. Maegawa; A. Oyamada; S. Sato; M. Nishiyama; T. Itou; X.G. Zheng
J. Phys.: Conf. Series, 2009年, 査読有り
[要修正]Superconductivity on the border of a spin-gapped Mott insulator: NMR studies of the quasi-two-dimensional organic system EtMe3 P [Pd (dmit) 2] 2
T. Itou; A. Oyamada; S. Maegawa; K. Kubo; H.M. Yamamoto; R. Kato
Physical Review B - Condensed Matter and Materials Physics, 2009年, 査読有り
[要修正]Crystal structure of frustrated antiferromagnet UNi4 B
Y. Haga; A. Oyamada; T.D. Matsuda; S. Ikeda; Y. Ounki
Physica B: Condensed Matter, 2008年04月, 査読有り
[要修正]Quantum spin liquid in the spin- 1 2 triangular antiferromagnet et Me3 Sb [Pd (dmit)2] 2
T. Itou; A. Oyamada; S. Maegawa; M. Tamura; R. Kato
Physical Review B - Condensed Matter and Materials Physics, 2008年03月, 査読有り
[要修正]Ordering mechanism and spin fluctuations in a geometrically frustrated heavy-fermion antiferromagnet on the Kagome-like lattice CePdAl: A Al27 NMR study
A. Oyamada; S. Maegawa; M. Nishiyama; H. Kitazawa; Y. Isikawa
Physical Review B - Condensed Matter and Materials Physics, 2008年02月, 査読有り
[要修正]Spin gap state of S = 1/2 Heisenberg antiferromagnet YbAl3C 3
A. Ochiai; T. Inukai; T. Matsumura; A. Oyamada; K. Katoh
Journal of the Physical Society of Japan, 2007年12月, 査読有り
[要修正]NMR studies of the partially disordered state in a triangular antiferromagnet UNi4B
A. Oyamada; M. Kondo; K. Fukuoka; T. Itou; S. Maegawa; D.X. Li; Y. Haga
Journal of Physics Condensed Matter, 2007年04月, 査読有り
[要修正]Spin-liquid state in an organic spin-1/2 system on a triangular lattice, EtMe3Sb[Pd(dmit)2]2
T. Itou; A. Oyamada; S. Maegawa; M. Tamura; R. Kato
Journal of Physics Condensed Matter, 2007年04月, 査読有り
[要修正]Spin dynamics in classical and quantum Kagome lattice magnets studied by NMR
S. Maegawa; R. Kaji; S. Kanou; A. Oyamada; M. Nishiyama
Journal of Physics Condensed Matter, 2007年04月, 査読有り
[要修正]Inelastic neutron scattering measurements in a quadrupolar ordering compound YbSb
A. Oyamada; K. Kuwahara; K. Ohoyama; K. Iwasa; M. Kohgi; S. Maegawa
Journal of Magnetism and Magnetic Materials, 2007年03月, 査読有り
[要修正]Low energy excitations in molecular antiferromagnetic rings, Fe10 and Fe12
S. Maegawa; T. Sagane; T. Itou; A. Oyamada; S. Igarashi; Y. Yukawa
Journal of Magnetism and Magnetic Materials, 2007年03月, 査読有り
[要修正]Spin dynamics in a molecular ferrimagnetic ring, [Mn (hfac)2 NITPh]6
T. Itou; S. Funahashi; A. Oyamada; S. Maegawa; K. Fujita; K. Amezawa; R. Yamaguchi
Journal of Magnetism and Magnetic Materials, 2007年03月, 査読有り
[要修正]NMR study of the 5 = 1/2 quantum kagome lattice antiferromagnet [Cu 3(titmb)2(CH3CO2) 6]· H2O
S. Maegawa; K. Yoshioka; S.-I. Kawahara; A. Oyamada; K.-I. Fujita; R. Yamaguchi
Progress of Theoretical Physics Supplement, 2005年, 査読有り
Quadrupolar Ordering in YbSb Studied by 121Sb and 123Sb NMR
A. Oyamada; S. Maegawa; T. Goto; K. Hashi; H. Kitazawa
Journal of the Physical Society Japan, 2004年, 査読有り
[要修正]Magnetic and transport properties of YbRhIn and YbPdIn
K. Katoh; G. Terui; Y. Niide; S. Yoshii; K. Kindo; A. Oyamada; M. Shirakawa; A. Ochiai
Journal of Alloys and Compounds, 2003年10月, 査読有り
[要修正]Successive phase transitions in a Kagomé-like heavy-fermion compound, CePdAl
M. Nishiyama; A. Oyamada; S. Maegawa; T. Goto; H. Kitazawa
Journal of Physics Condensed Matter, 2003年07月, 査読有り
[要修正]Magnetization and spin-echo spectra of a mixing-type quadrupolar ordering in YbSb
A. Oyamada; S. Maegawa; T. Goto; K. Hashi; H. Kitazawa
Journal of Physics Condensed Matter, 2003年07月, 査読有り
[要修正]Observation of avalanche effect of the spin reversal in Mn12Ac by55Mn NMR
T. Goto; T. Koshiba; A. Oyamada; T. Kubo; Y. Suzuki; K. Awaga; B. Barbara; J.-P. Boucher
Physica B: Condensed Matter, 2003年05月, 査読有り
[要修正]Temperature-dependent hyperfine interactions in CePdAl
A. Oyamada; M. Nishiyama; K. Kamioka; S. Maegawa; T. Goto; H. Kitazawa
Physica B: Condensed Matter, 2003年05月, 査読有り
[要修正]Magnetic susceptibility and specific heat of CePdP and CePdAs
K. Katoh; G. Terui; Y. Niide; A. Oyamada; A. Ochiai
Journal of Alloys and Compounds, 2002年06月, 査読有り
[要修正]Low temperature NMR studies of YbSb
A. Oyamada; S. Maegawa; T. Goto; K. Hashi; H. Kitazawa
Journal of the Physical Society of Japan, 2002年01月, 査読有り
[要修正]Muon spin relaxation study on the heavy fermion compound YbSb
K. Hashi; I. Watanabe; A. Oyamada; K. Nagamine
Journal of Applied Physics, 2001年06月, 査読有り
[要修正]Mixing-typed antiferroquadrupolar ordering in YbSb
K. Hashi; H. Kitazawa; A. Oyamada; H.A. Katori
Journal of the Physical Society of Japan, 2001年01月, 査読有り
[要修正]Observation of magnetization behavior of the nano-scale cluster magnet Mn12ac by 55Mn NMR
T. Kubo; T. Koshiba; T. Goto; A. Oyamada; Y. Fujii; K. Takeda; K. Awaga
Physica B: Condensed Matter, 2001年01月, 査読有り
[要修正]Pressure effects on heat capacity of a heavy fermion compound YbAs
T. Kawae; A. Ikegami; K. Maeda; Y. Okayama; A. Oyamada; T. Suzuki; K. Takeda
Physica B: Condensed Matter, 2000年07月, 査読有り
[要修正]55Mn NMR and relaxation studies on Mn12-acetate
T. Goto; T. Kubo; T. Koshiba; Y. Fujii; A. Oyamada; J. Arai; K. Takeda; K. Awaga
Physica B: Condensed Matter, 2000年07月, 査読有り
[要修正]Nuclear magnetic relaxation of the singlet ground state magnet PrPtAl
A. Oyamada; S. Maegawa; T. Goto; K. Hashi; H. Kitazawa
Physica B: Condensed Matter, 2000年06月, 査読有り
[要修正]Nuclear magnetic relaxation of 1H in the organic radical salts m-MPYNN+·ClO4- and m-MPYNN+·BF4-
Y. Fujii; T. Goto; A. Oyamada; T. Okuno; K. Awaga
Journal of the Physical Society of Japan, 2000年05月, 査読有り
[要修正]Empirical Relation of Nuclear Magnetic Relaxation and Specific Heat in Heavy Fermion Compounds
小山田 明
JJAP series, 1999年02月08日, 査読有り
[要修正]Pressure effect on the magnetic ordering in YbAs
Y. Okayama; N. Môri; A. Oyamada; T. Suzuki
Physica B: Condensed Matter, 1999年01月, 査読有り
[要修正]NMR studies of CePdAl below 1 K
K. Kamioka; A. Oyamada; K. Hashi; S. Maegawa; T. Goto; H. Kitazawa; Y. Isikawa
Physica B: Condensed Matter, 1999年01月, 査読有り
[要修正]Magnetic properties of an anomalous phase transition around 5 K in YbSb
K. Hashi; A. Oyamada; S. Maegawa; T. Goto; D.X. Li; T. Suzuki; A. Donni; F. Hulliger
Physica B: Condensed Matter, 1999年01月, 査読有り
[要修正]NMR Study of a Heavy Fermion Compound YbAs
K. Hashi; A. Oyamada; S. Maegawa; T. Goto; D. Li; T. Suzuki
Journal of the Physical Society of Japan, 1998年12月, 査読有り
[要修正]Electrical transport properties of stoichiometric YbP single crystal
D.X. Li; K. Sumiyama; K. Suzuki; A. Oyamada; K. Hashi; T. Suzuki
Physical Review B - Condensed Matter and Materials Physics, 1998年05月, 査読有り
[要修正]Nuclear magnetic relaxation measurements in Yb-monopnictides
A. Oyamada; K. Hashi; S. Maegawa; T. Goto; D.X. Li; T. Suzuki; F. Hulliger
Journal of Magnetism and Magnetic Materials, 1998年01月, 査読有り
[要修正]A study of short-range spin correlations in Yb monopnictides
K. Ohoyama; M. Kohgi; K. Hashi; A. Oyamada; T. Suzuki
Journal of Magnetism and Magnetic Materials, 1998年01月, 査読有り
[要修正]NMR study of the magnetic transition and the Fermi-liquid behavior in YbAs
K. Hashi; A. Oyamada; S. Maegawa; T. Goto; D.X. Li; T. Suzuki
Journal of Magnetism and Magnetic Materials, 1998年01月, 査読有り
[要修正]Observation of Successive Phase Transitions in Kagomé Lattice Antiferromagnets RFe3(OH)6(SO4)2 [R = NH4, Na, K]
S. Maegawa; M. Nishiyama; N. Tanaka; A. Oyamada; M. Takano
Journal of the Physical Society of Japan, 1996年09月, 査読有り
[要修正]NMR Studies of the Antiferromagnetic Heavy Fermion Compound CePdAl
小山田 明
Journal of Physical Society Japan,65/SuppleB,123, 1996年, 査読有り
[要修正]Magnetic properties of kagomé lattice antiferromagnets, RFe3(oH6)(so42)[r= nh4, na]
M. Nishiyama; N. Tanaka; S. Maegawa; A. Oyamada; M. Takano
Czechoslovak Journal of Physics, 1996年, 査読有り
[要修正]Anomalous short-range spin correlations in Yb monopnictides
K. Ohoyama; T. Osakabe; A. Dönni; M. Kohgi; A. Oyamada; T. Suzuki
Physica B: Physics of Condensed Matter, 1995年08月, 査読有り
[要修正]87Rb NMR study of the triangular lattice antiferromagnet RbNiCl3
S. Muneta; S. Maegawa; A. Oyamada; T. Goto; Y. Oohara
Journal of Magnetism and Magnetic Materials, 1995年02月, 査読有り
[要修正]Study of physical properties of Yb-monopnictides
D.X. Li; A. Oyamada; K. Hashi; Y. Haga; T. Matsumura; H. Shida; T. Suzuki; T. Kasuya; A. Dönni; F. Hulliger
Journal of Magnetism and Magnetic Materials, 1995年02月, 査読有り
[要修正]NQR studies of the structural instabilities in CePd2Al3
A. Oyamada; H. Tsukada; K. Hashi; S. Maegawa; T. Goto; H. Kitazawa
Physica B: Physics of Condensed Matter, 1995年02月, 査読有り
[要修正]Anomalous physical properties of the low carrier concentration state in f-electron systems
T. Suzuki; Y. haga; D.X. Li; T. Matsumura; E. Hotta; A. Uesawa; M. Kohgi; T. Osakabe; S. Takagi; H. Suzuki; T. Kasuya; Y. Chiba; T. Goto; S. Nakamura; R. Settai; S. Sakatsume; A. Ochiai; K. Suzuki; S. Nimori; G. Kido; K. Ohyama; M. Date; Y. Morii; T. Terashima; S. Uji; H. Aoki; T. Naka; T. Matsumoto; Y. Ohara; H. Yoshizawa; Y. Okayama; Y. Okunuki; A. Ichikawa; H. Takahashi; N. Mori; T. Inoue; T. Kuroda; K. Sugiyama; K. Kindo; A. Mitsuda; S. Kimura; S. Takayanagi; N. Wada; A. Oyamada; K. Hashi; S. Maegawa; T. Goto; Y.S. Kwon; E. Vincent; P. Bonville
Physica B: Physics of Condensed Matter, 1995年02月, 査読有り
[要修正]Competition between Kondo and magnetic polaron states in Ce and Yb monopnictides
T. Kasuya; A. Oyamada; M. Sera; Y. Haga; T. Suzuki
Physica B: Physics of Condensed Matter, 1994年04月, 査読有り
[要修正]NMR study of the phase transition around 5 K in YbSb
A. Oyamada; K. Hashi; S. Maegawa; T. Goto; D.X. Li; T. Suzuki; A. Dönni; F. Hulliger
Physica B: Physics of Condensed Matter, 1994年04月, 査読有り
[要修正]Photoemission study of Ce2Sb
A. Oyamada; A. Isobe; H. Kitazawa; A. Ochiai; K. Soda; M. Taniguchi; T. Mori; S. Suga; H. Harima; T. Suzuki; T. Kasuya
Journal of the Physical Society of Japan, 1993年08月, 査読有り
[要修正]De Haas-van Alphen studies of YbAs above and below Néel temperature
N. Takeda; K. Tanaka; M. Kagawa; A. Oyamada; N. Sato; S. Sakatsume; H. Aoki; T. Suzuki; T. Komatsubara
Journal of the Physical Society of Japan, 1993年06月, 査読有り
Ce2Sb and Ce2Biにおける重い電子系としての性質
A. Oyamada; A. Isobe; H. Kitazawa; A. Ochiai; T. Suzuki; T. Kasuya
Journal of the Physical Society of Japan, 1993年05月, 査読有り
ヘビーフェルミオン化合物YbAsの核磁気緩和
A. Oyamada; S. Maegawa; T. Goto; T. Suzuki; T. Kasuya
Physica B: Physics of Condensed Matter, 1993年05月, 査読有り
YbX (X = N, P, As)のスピンダイナミクス
K. Ohoyama; M. Kohgi; T. Otomo; T. Osakabe; A. Oyamada; T. Suzuki
Physica B: Physics of Condensed Matter, 1993年05月, 査読有り
Ybモノプニクタイドの磁場中比熱
D.X. Li; A. Oyamada; H. Shida; T. Suzuki; T. Kasuya; A. Dönni; F. Hulliger
Physica B: Physics of Condensed Matter, 1993年05月, 査読有り
CeモノカルコゲナイドCeSとCeSeにおける磁場誘起の相転移
A. Dönni; A. Oyamada; T. Suzuki; K. Sugiyama; M. Date; G. Kido; P. Fischer; A. Furrer; F. Hulliger
Physica B: Physics of Condensed Matter, 1993年05月, 査読有り
Ceモノカルコゲナイドにおける磁場誘起の相転移
A. Dönni; A. Oyamada; Y. Ohe; T. Suzuki; K. Sugiyama; M. Date; P. Fischer; A. Furrer; F. Hulliger
Journal of Alloys and Compounds, 1993年03月, 査読有り
低密度キャリアー化合物Ybモノプニクタイドの比熱
N SATO; T SAKON; T SUZUKI; T KOMATSUBARA; A OYAMADA
TRANSPORT AND THERMAL PROPERTIES OF F-ELECTRON SYSTEMS, 1993年, 査読有り
低密度キャリアー化合物YbAsの重い電子系としての振る舞い
T. Sakon; N. Sato; A. Oyamada; N. Takeda; T. Suzuki; T. Komatsubara
Journal of the Physical Society of Japan, 1992年07月, 査読有り
YbNにおける異常な結晶場分裂
K. Ohoyama; M. Kohgi; T. Nakane; M. Arai; A.D. Taylor; A. Oyamada; T. Suzuki
Physica B: Physics of Condensed Matter, 1992年06月, 査読有り
YbP, YbAs および Yb4As3 のBISとXPSの研究
Y SAITOH; S SUGA; H MATSUBARA; Y TSUKIKAWA; Y MORI; A OYAMADA; A OCHIAI; T SUZUKI; T KASUYA
J. Phys. Sco. Jpn.,60, 1991年12月, 査読有り
YbAsとYbPの伝導の性質
A. Oyamada; C. Ayache; T. Suzuki; J. Rossat-Mignod; T. Kasuya
Journal of Magnetism and Magnetic Materials, 1990年12月, 査読有り
YbAsにおける磁気相転移
A. Oyamada; P. Burlet; L.P. Regnault; A. Bouvet; R. Calemczuk; J. Rossat-Mignod; T. Suzuki; T. Kasuya
Journal of Magnetism and Magnetic Materials, 1990年12月, 査読有り
f電子系におけるdHvA効果
N. Takeda; M. Kagawa; K. Tanaka; A. Oyamada; N. Sato; S. Sakatsume; T. Suzuki; T. Komatsubara
Journal of Magnetism and Magnetic Materials, 1990年12月, 査読有り
Ybモノプニクタイドにおける結晶場励起
M. Kohgi; K. Ohoyama; A. Oyamada; T. Suzuki; M. Arai
Physica B: Physics of Condensed Matter, 1990年04月, 査読有り
CeSbの重いホール状態
H. Kitazawa; Y.S. Kwon; A. Oyamada; N. Takeda; H. Suzuki; S. Sakatsume; T. Satoh; T. Suzuki; T. Kasuya
Journal of Magnetism and Magnetic Materials, 1988年12月, 査読有り
Yb4As2.7P0.3 における磁性と伝導の性質
O. Nakamura; A. Oyamada; A. Ochiai; S. Kunii; T. Takeda; T. Suzuki; T. Kasuya
Journal of Magnetism and Magnetic Materials, 1988年12月, 査読有り
重い電子系化合物YbPの磁気的性質
A. Oyamada; S. Takagi; T. Kasuya; K. Sugiyama; M. Date
Journal of the Physical Society of Japan, 1988年10月, 査読有り
磁気秩序化する重い電子系化合物YbPにおける31P 核磁気共鳴の研究
S. Takagi; A. Oyamada; T. Kasuya
Journal of the Physical Society of Japan, 1988年04月, 査読有り
超伝導 BiSrCaCuO 系における酸素同位体効果
H. Katayama-Yoshida; T. Hirooka; A. Oyamada; Y. Okabe; T. Takahashi; T. Sasaki; A. Ochiai; T. Suzuki; A.J. Mascarenhas; J.I. Pankove; T.F. Ciszek; S.K. Deb; R.B. Goldfarb; Y. Li
Physica C: Superconductivity and its applications, 1988年, 査読有り
アンチ Th3P4 構造の Yb4Sb3 と Yb4Bi3 における価数揺動
A. Ochiai; S. Nakai; A. Oyamada; T. Suzuki; T. Kasuya
Journal of Magnetism and Magnetic Materials, 1985年, 査読有り