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Oyamada, Akira

Graduate School of Human and Environmental Studies, Department of Interdisciplinary Environment Assistant Professor

Oyamada, Akira
list
    Last Updated :2022/06/24

    Basic Information

    Faculty

    • 総合人間学部

    Professional Memberships

    • 日本物理学会
    • The Physical Society of Japan

    Academic Degree

    • Master of Science(Tohoku University)
    • Doctor of Science(Tohoku University)

    Academic Resume (Graduate Schools)

    • Tohoku University, 大学院理学研究科博士前期課程物理学第二専攻, 修了
    • Tohoku University, 大学院理学研究科博士後期課程物理学第二専攻, 修了

    Academic Resume (Undergraduate School/Majors)

    • Tohoku , 理学部物理学第二学科, 卒業

    Research History

    • From Oct. 1991, To Present
      Kyoto University, Graduate School of Human and Environmental Studies, Assistant Professor

    Language of Instruction

    • English

    ID,URL

    researchmap URL

    list
      Last Updated :2022/06/24

      Research

      Research Topics, Overview of the research

      • Research Topics

        NMR Studies on the frustrated magnets

      Research Areas

      • Natural sciences, Magnetism, superconductivity, and strongly correlated systems

      Papers

      • NMR Measurements on a Triangular-Lattice Antiferromagnet YbCuGe
        A. Oyamada; K. Araki; K, Katoh
        JPS Conf. Proc., 2020, Peer-reviewed
      • Anomalous hall effect in a triangular-lattice antiferromagnet UNi4B
        A. Oyamada; T. Inohara; E. Yamamoto; Y. Haga
        Progress in Nuclear Science and Technology, Nov. 2018, Peer-reviewed
      • 21aPS-116 Spin dynamics in a quantum-spin triangular-lattice-antiferromagnet YbCuGe
        Oyamada A.; Maegawa S.; Araki K.; Katoh K.
        Meeting Abstracts of the Physical Society of Japan, 2015
      • Different High-Temperature Spin Dynamics of Ising Pyrochlore Dy2Sn2O7 and Heisenberg Pyrochlore Gd2Sn2O7
        Tomomi Kaibuchi; Hiroshi Tashiro; Tetsuaki Itou; Masahide Nishiyama; Akira Oyamada; Satoru Maegawa; Kazuyuki Matsuhira
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, May 2012, Peer-reviewed
      • 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, Sep. 2011, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Peer-reviewed
      • 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
      • 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, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Jan. 2011, Peer-reviewed
      • Instability of a quantum spin liquid in an organic triangular-lattice antiferromagnet
        T. Itou; A. Oyamada; S. Maegawa; R. Kato
        NATURE PHYSICS, Sep. 2010, Peer-reviewed
      • Novel Frustrated Behavior in Quantum Heisenberg Antiferromagnets on the Pyrochlore Lattice: NMR Studies of R-2(OH)(3)Cl (R = Cu and Ni)
        Satoru Maegawa; Akira Oyamada; Shuichi Sato
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2010, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Peer-reviewed
      • Superconductivity on the border of a spin-gapped Mott insulator: NMR studies of the quasi-two-dimensional organic system EtMe3P[Pd(dmit)(2)](2)
        Hiroshi M. Yamamoto; Itou, T.; Oyamada, A.; Maegawa, S.; Kubo, K.; Yamamoto, H. M.; Kato, R.
        Physical Review B, 2009, Peer-reviewed
      • Crystal structure of frustrated antiferromagnet UNi4B
        Y. Haga; A. Oyamada; T. D. Matsuda; S. Ikeda; Y. Ounki
        PHYSICA B-CONDENSED MATTER, Apr. 2008, Peer-reviewed
      • Quantum spin liquid in the spin-1/2 triangular antiferromagnet EtMe3Sb[Pd(dmit)(2)](2)
        T. Itou; A. Oyamada; S. Maegawa; M. Tamura; R. Kato
        PHYSICAL REVIEW B, Mar. 2008, Peer-reviewed
      • Ordering mechanism and spin fluctuations in a geometrically frustrated heavy-fermion antiferromagnet on the Kagome-like lattice CePdAl: A Al-27 NMR study
        Akira Oyamada; Satoru Maegawa; Masahide Nishiyama; Hideaki Kitazawa; Yosikazu Isikawa
        PHYSICAL REVIEW B, Feb. 2008, Peer-reviewed
      • Spin gap state of S=1/2 heisenberg antiferromagnet YbAl3C3
        Akira Ochiai; Takaki Inukai; Takeshi Matsumura; Akira Oyamada; Kenichi Katoh
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Dec. 2007, Peer-reviewed
      • 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, Apr. 2007, Peer-reviewed
      • 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, Apr. 2007, Peer-reviewed
      • Spin dynamics in classical and quantum Kagome lattice magnets studied by NMR
        Satoru Maegawa; Ryousuke Kaji; Seishi Kanou; Akira Oyamada; Masahide Nishiyama
        JOURNAL OF PHYSICS-CONDENSED MATTER, Apr. 2007, Peer-reviewed
      • 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, Mar. 2007, Peer-reviewed
      • 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, Mar. 2007, Peer-reviewed
      • 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, Mar. 2007, Peer-reviewed
      • NMR study of the S=1/2 quantum kagome lattice antiferromagnet [Cu-3(titmb)(2)(CH3CO2)(6)]center dot H2O
        S Maegawa; K Yoshioka; S Kawahara; A Oyamada; K Fujita; R Yamaguchi
        PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, 2005, Peer-reviewed
      • 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, Peer-reviewed
      • 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, Oct. 2003, Peer-reviewed
      • Successive phase transitions in a Kagome-like heavy-fermion compound, CePdAl
        M Nishiyama; A Oyamada; S Maegawa; T Goto; H Kitazawa
        JOURNAL OF PHYSICS-CONDENSED MATTER, Jul. 2003, Peer-reviewed
      • 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, Jul. 2003, Peer-reviewed
      • Observation of avalanche effect of the spin reversal in Mn12Ac by Mn-55 NMR
        T Goto; T Koshiba; A Oyamada; T Kubo; Y Suzuki; K Awaga; B Barbara; JP Boucher
        PHYSICA B-CONDENSED MATTER, May 2003, Peer-reviewed
      • Temperature-dependent hyperfine interactions in CePdAl
        A Oyamada; M Nishiyama; K Kamioka; S Maegawa; T Goto; H Kitazawa
        PHYSICA B-CONDENSED MATTER, May 2003, Peer-reviewed
      • Magnetic susceptibility and specific heat of CePdP and CePdAs
        K Katoh; G Terui; Y Niide; A Oyamada; A Ochiai
        JOURNAL OF ALLOYS AND COMPOUNDS, Jun. 2002, Peer-reviewed
      • Low Temperature NMR Studies of YbSb
        Akira Oyamada; Satoru Maegawa; Takao Goto; Kenjiro Hashi; Hideaki Kitazawa
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2002, Peer-reviewed
      • Muon spin relaxation study on the heavy fermion compound YbSb
        K Hashi; Watanabe, I; A Oyamada; K Nagamine
        JOURNAL OF APPLIED PHYSICS, Jun. 2001, Peer-reviewed
      • Mixing-typed antiferroquadrupolar ordering in YbSb
        K Hashi; H Kitazawa; A Oyamada; HA Katori
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2001, Peer-reviewed
      • The observation of magnetization behavior of the nano-scale cluster magnet Mn(12)ac by Mn-55 NMR
        T Kubo; T Koshiba; T Goto; A Oyamada; Y Fujii; K Takeda; K Awaga
        PHYSICA B, Jan. 2001, Peer-reviewed
      • 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, Jul. 2000, Peer-reviewed
      • Mn-55 NMR and relaxation studies on Mn-12-acetate
        T Goto; T Kubo; T Koshiba; Y Fujii; A Oyamada; J Arai; K Takeda; K Awaga
        PHYSICA B, Jul. 2000, Peer-reviewed
      • Nuclear magnetic relaxation of the singlet ground state magnet PrPtAl
        A Oyamada; S Maegawa; T Goto; K Hashi; H Kitazawa
        PHYSICA B, Jun. 2000, Peer-reviewed
      • Nuclear magnetic relaxation of H-1 in the organic radical salts m-MPYNN+center dot ClO4- and m-MPYNN+center dot BF4-
        Y Fujii; T Goto; A Oyamada; T Okuno; K Awaga
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, May 2000, Peer-reviewed
      • Empirical Relation of Nuclear Magnetic Relaxation and Specific Heat in Heavy Fermion Compounds
        小山田 明
        JJAP series, 08 Feb. 1999, Peer-reviewed
      • Pressure effect on the magnetic ordering in YbAs
        Y Okayama; N Mori; A Oyamada; T Suzuki
        PHYSICA B-CONDENSED MATTER, Jan. 1999, Peer-reviewed
      • NMR studies of CePdA1 below 1 K
        K Kamioka; A Oyamada; K Hashi; S Maegawa; T Goto; H Kitazawa; Y Isikawa
        PHYSICA B-CONDENSED MATTER, Jan. 1999, Peer-reviewed
      • Magnetic properties of an anomalous phase transition around 5 K in YbSb
        K Hashi; A Oyamada; S Maegawa; T Goto; DX Li; T Suzuki; A Donni; F Hulliger
        PHYSICA B-CONDENSED MATTER, Jan. 1999, Peer-reviewed
      • NMR study of a heavy fermion compound YbAs
        K Hashi; A Oyamada; S Maegawa; T Goto; DX Li; T Suzuki
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Dec. 1998, Peer-reviewed
      • Electrical transport properties of stoichiometric YbP single crystal
        DX Li; K Sumiyama; K Suzuki; A Oyamada; K Hashi; T Suzuki
        PHYSICAL REVIEW B, May 1998, Peer-reviewed
      • Nuclear magnetic relaxation measurements in Yb-monopnictides
        A Oyamada; K Hashi; S Maegawa; T Goto; DX Li; T Suzuki; F Hulliger
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Jan. 1998, Peer-reviewed
      • 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, Jan. 1998, Peer-reviewed
      • NMR study of the magnetic transition and the Fermi-liquid behavior in YbAs
        K Hashi; A Oyamada; S Maegawa; T Goto; DX Li; T Suzuki
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Jan. 1998, Peer-reviewed
      • Observation of successive phase transitions in Kagome lattice antiferromagnets RFe(3)(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, Sep. 1996, Peer-reviewed
      • NMR Studies of the Antiferromagnetic Heavy Fermion Compound CePdAl
        小山田 明
        Journal of Physical Society Japan,65/SuppleB,123, 1996, Peer-reviewed
      • Magnetic properties of Kagome lattice antiferromagnets, RFe(3)(OH)(6)(SO4)(2) [R=NH4,Na]
        M Nishiyama; N Tanaka; S Maegawa; A Oyamada; M Takano
        CZECHOSLOVAK JOURNAL OF PHYSICS, 1996, Peer-reviewed
      • ANOMALOUS SHORT-RANGE SPIN CORRELATIONS IN YB MONOPNICTIDES
        K OHOYAMA; T OSAKABE; A DONNI; M KOHGI; A OYAMADA; T SUZUKI
        PHYSICA B, Aug. 1995, Peer-reviewed
      • RB-87 NMR-STUDY OF THE TRIANGULAR LATTICE ANTIFERROMAGNET RBNICL3
        S MUNETA; S MAEGAWA; A OYAMADA; T GOTO; Y OOHARA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Feb. 1995, Peer-reviewed
      • STUDY OF PHYSICAL-PROPERTIES OF YB-MONOPNICTIDES
        DX LI; A OYAMADA; K HASHI; Y HAGA; T MATSUMURA; H SHIDA; T SUZUKI; T KASUYA; A DONNI; F HULLIGER
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Feb. 1995, Peer-reviewed
      • NQR studies of the structural instabilities in CePd2Al3
        A. Oyamada; H. Tsukada; K. Hashi; S. Maegawa; T. Goto; H. Kitazawa
        PHYSICA B-CONDENSED MATTER, Feb. 1995, Peer-reviewed
      • 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-CONDENSED MATTER, Feb. 1995, Peer-reviewed
      • COMPETITION BETWEEN KONDO AND MAGNETIC POLARON STATES IN CE AND YB MONOPNICTIDES
        T KASUYA; A OYAMADA; M SERA; Y HAGA; T SUZUKI
        PHYSICA B, Apr. 1994, Peer-reviewed
      • NMR-STUDY OF THE PHASE-TRANSITION AROUND 5-K IN YBSB
        A OYAMADA; K HASHI; S MAEGAWA; T GOTO; DX LI; T SUZUKI; A DONNI; F HULLIGER
        PHYSICA B, Apr. 1994, Peer-reviewed
      • 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, Aug. 1993, Peer-reviewed
      • DEHAAS-VANALPHEN STUDIES OF YBAS ABOVE AND BELOW NEEL 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, Jun. 1993, Peer-reviewed
      • HEAVY-FERMION CHARACTER IN CE2SB AND CE2BI
        A OYAMADA; A ISOBE; H KITAZAWA; A OCHIAI; T SUZUKI; T KASUYA
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, May 1993, Peer-reviewed
      • NUCLEAR MAGNETIC-RELAXATION IN A HEAVY-FERMION COMPOUND YBAS
        A OYAMADA; S MAEGAWA; T GOTO; T SUZUKI; T KASUYA
        PHYSICA B-CONDENSED MATTER, May 1993, Peer-reviewed
      • SPIN DYNAMICS OF YBX (X = N, P, AS)
        K OHOYAMA; M KOHGI; T OTOMO; T OSAKABE; A OYAMADA; T SUZUKI
        PHYSICA B-CONDENSED MATTER, May 1993, Peer-reviewed
      • SPECIFIC-HEAT OF YTTERBIUM MONOPNICTIDES UNDER MAGNETIC-FIELDS
        DX LI; A OYAMADA; H SHIDA; T SUZUKI; T KASUYA; A DONNI; F HULLIGER
        PHYSICA B-CONDENSED MATTER, May 1993, Peer-reviewed
      • MAGNETIC-FIELD-INDUCED PHASE-TRANSITIONS IN THE CERIUM MONOCHALCOGENIDES CES AND CESE
        A DONNI; A OYAMADA; T SUZUKI; K SUGIYAMA; M DATE; G KIDO; P FISCHER; A FURRER; F HULLIGER
        PHYSICA B-CONDENSED MATTER, May 1993, Peer-reviewed
      • Magnetic-field-induced phase transition in the cerium monochalcogenide CeSe
        A DONNI; A OYAMADA; Y OHE; T SUZUKI; K SUGIYAMA; M DATE; P FISCHER; A FURRER; F HULLIGER
        JOURNAL OF ALLOYS AND COMPOUNDS, Mar. 1993, Peer-reviewed
      • SPECIFIC-HEAT IN A LOW CARRIER CONCENTRATION COMPOUND - YB-MONOPNICTIDES
        N SATO; T SAKON; T SUZUKI; T KOMATSUBARA; A OYAMADA
        TRANSPORT AND THERMAL PROPERTIES OF F-ELECTRON SYSTEMS, 1993, Peer-reviewed
      • HEAVY-ELECTRON BEHAVIOR IN A LOW-CARRIER-CONCENTRATION COMPOUND YBAS
        T SAKON; N SATO; A OYAMADA; N TAKEDA; T SUZUKI; T KOMATSUBARA
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jul. 1992, Peer-reviewed
      • ANOMALOUS CRYSTAL-FIELD SPLITTING IN YBN
        K OHOYAMA; M KOHGI; T NAKANE; M ARAI; AD TAYLOR; A OYAMADA; T SUZUKI
        PHYSICA B, Jun. 1992, Peer-reviewed
      • BIS AND XPS STUDY OF YbP, YbAs AND Yb4As3
        Y SAITOH; S SUGA; H MATSUBARA; Y TSUKIKAWA; Y MORI; A OYAMADA; A OCHIAI; T SUZUKI; T KASUYA
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Dec. 1991, Peer-reviewed
      • TRANSPORT-PROPERTIES OF YBAS AND YBP
        A OYAMADA; C AYACHE; T SUZUKI; J ROSSATMIGNOD; T KASUYA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Dec. 1990, Peer-reviewed
      • MAGNETIC PHASE-TRANSITION IN YBAS
        A OYAMADA; P BURLET; LP REGNAULT; A BOUVET; R CALEMCZUK; J ROSSATMIGNOD; T SUZUKI; T KASUYA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Dec. 1990, Peer-reviewed
      • DHVA EFFECT IN F-ELECTRON SYSTEMS
        N TAKEDA; M KAGAWA; K TANAKA; A OYAMADA; N SATO; S SAKATSUME; T SUZUKI; T KOMATSUBARA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Dec. 1990, Peer-reviewed
      • CRYSTAL-FIELD EXCITATIONS IN YB MONOPNICTIDES
        M KOHGI; K OHOYAMA; A OYAMADA; T SUZUKI; M ARAI
        PHYSICA B, Apr. 1990, Peer-reviewed
      • HEAVY HOLE STATE IN CESB
        H KITAZAWA; YS KWON; A OYAMADA; N TAKEDA; H SUZUKI; S SAKATSUME; T SATOH; T SUZUKI
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Dec. 1988, Peer-reviewed
      • MAGNETIC AND TRANSPORT-PROPERTIES IN YB4AS2.7P0.3
        O NAKAMURA; A OYAMADA; A OCHIAI; S KUNII; T TAKEDA; T SUZUKI; T KASUYA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, Dec. 1988, Peer-reviewed
      • MAGNETIC-PROPERTIES OF THE HEAVY-ELECTRON COMPOUND YBP
        A OYAMADA; S TAKAGI; T KASUYA; K SUGIYAMA; M DATE
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Oct. 1988, Peer-reviewed
      • P-31 NMR-STUDIES OF THE MAGNETICALLY ORDERED HEAVY-ELECTRON COMPOUND YBP
        S TAKAGI; A OYAMADA; T KASUYA
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Apr. 1988, Peer-reviewed
      • Oxygen isotope effect in the superconducting BiSrCaCuO system
        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, Peer-reviewed
      • VALENCE FLUCTUATION IN ANTI-TH3P4 STRUCTURE YB4SB3 AND YB4BI3
        A OCHIAI; S NAKAI; A OYAMADA; T SUZUKI; T KASUYA
        JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1985, Peer-reviewed

      Misc.

      • 7pBC-11 Magnetically ordering state in a quantum-spin triangular-lattice-antiferromagnet YbCuGe
        Oyamada A.; Maegawa S.; Araki K.; Katoh K.
        Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014
      • 30aAF-12 NMR measurements on Ising-type triangular-lattice antiferromagnet YbCuGe
        Oyamada A.; Maegawa S.; Katoh K.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2014
      • Magnetic structure of 4f quantum spin triangular-lattice antiferromagnet CeZn_3P_3
        Oyamada A.; Murata M.; Omae Y.; Nishiyama M.; Itou T.; Maegawa S.; Matsuda S.; Hara K.; Ochiai A.
        Meeting abstracts of the Physical Society of Japan, 26 Aug. 2013
      • 29aXA-13 The exotic intermediate phase in pyrochlore frustrated magnet Cu_2(OH)_3Cl
        Sato S.; Oyamada A.; Nishiyama M.; Itou T.; Maegawa S.; Hagihala M.; Zheng X. G.; Takahashi H.; Ooi S.; Kogiso T.
        Meeting abstracts of the Physical Society of Japan, 26 Mar. 2013
      • 18aPSA-59 NMR study on the single crystal of pyrochlore frustrated magnet Cu_2(OH)_3C
        Sato S.; Oyamada A.; Nishiyama M.; Itou T.; Maegawa S.; Hagihala M.; Zheng X.G.; Takahashi H.; Ooi S.; Kogiso T.
        Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012
      • 21aCC-10 Magnetic phase diagram of a XY-type quantum spin triangular-lattice antiferromagnet CeZn_3P_3
        Oyamada A.; Omae Y.; Nishiyama M.; Itou T.; Maegawa S.; Matsuda S.; Hara K.; Ochiai A.
        Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012
      • 21aCC-9 Hall effect of f-electron triangular XY antiferromagnet UNi_4B
        Inohara T.; Oyamada A.; Nishiyama M.; Itou T.; Maegawa S.; Li D.X.; Haga Y.
        Meeting abstracts of the Physical Society of Japan, 24 Aug. 2012
      • 25pBG-7 NMR study on the single crystal of pyrochlore frustrated magnet Cu_2(OH)_3Cl
        Sato S.; Oyamada A.; Nishiyama M.; Itou T.; Maegawa S.; Hagihara M.; Zheng X. G.; Takahashi H.; Ooi S.; Togiso T.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24aPS-74 Magnetic structure in an antiferromagnet on the kagome lattice with spin gap, Rb2Cu3SnF12
        Tashiro H.; Nishiyama M.; Oyamada A.; Itou T.; Maegawa S.; Yano M.; Ono T.; Tanaka H.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24aPS-94 Determination of Spin structure on Kagome Lattice Antiferromagnet with S=3./2, Cr-Jarosite, by Single Crystal NMR experiments
        Nishiyama M.; Inohara T.; Oyamada A.; Itou T.; Maegawa S.; Okuta K.; Sato H.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24aAF-2 NMR study of quantum XY-tye triangular lattice autiferromagnet CeZn_3P_3
        Omae Y.; Oyamada A.; Nishiyama M.; Itoh T.; Maegawa S.; Matsuda S.; Hara K.; Ochiai A.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24aAF-1 Novel ordered state in the 5 f-electron triangular XY antiferromagnet UNi_4B
        Inohara T.; Oyamada A.; Nishiyama M.; Itou T.; Maegawa S.; Li D. X.; Haga Y.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24pBK-11 ^<13>C-NMR study of mixed salts (Me_4Sb)_x(EtMe_3Sb)_<1-x>[Pd(dmit)_2]_2
        Watanabe E.; Itou T.; Nishiyama M.; Oyamada A.; Maegawa S.; Kubo K.; Kato R.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • 24pBK-10 ^<13>C-NMR of a single crystal of EtMe_3Sb[Pd(dmit)_2]_2 under fields parallel and perpendicular to the plane
        Itou T.; Watanabe E.; Kubota T.; Nishiyama M.; Oyamada A.; Maegawa S.; Kubo K.; Kato R.
        Meeting abstracts of the Physical Society of Japan, 05 Mar. 2012
      • YbAl3C3のスピンギャップ状態
        小山田 明; 伊藤哲明; 前川覚; 狗飼敬希; 落合明
        特定領域研究「フラストレーションが創る新しい物性」 第1回トピカルミーティング「フラストレート新規物質」, 2008
      • CePdAlにおける幾何学的フラストレーションと近藤効果
        小山田 明
        特定領域研究、フラストレーションが創る新しい物性 News Letter, 2007
      • YbSbにおける4重極秩序
        小山田 明
        物性研究, 2003, Peer-reviewed
      • A Quadrupolar Ordering in YbSb
        Oyamada A; Maegawa S; Goto T
        Meeting abstracts of the Physical Society of Japan, 13 Aug. 2002
      • 24aPS-53 High field magnetization processes in single crystals YbX(X=P,As)
        Tanabe H.; Narumi Y.; Kindo K.; Oyamada A.; .Li D.X; Shiokawa Y.; Suzuki T.
        Meeting abstracts of the Physical Society of Japan, 01 Mar. 2002
      • 24pWB-5 Magnetization measurements of YbSb
        Oyamada A.; Hashi K.; Kitazawa H.; Maegawa S.; Goto T.
        Meeting abstracts of the Physical Society of Japan, 01 Mar. 2002
      • YbSbの核磁気共鳴
        小山田 明; 端 健二郎; 北澤 英明; 前川 覚; 後藤 喬雄
        特定領域研究 研究会 ”電子軌道の秩序化と揺らぎによる新しい物性 —f電子とd電子の統合的研究—”, 2001
      • UNi4Bのヘビーフェルミオン状態
        小山田; 明; 李 徳新
        平成11年度共同利用研究経過報告書, 1999
      • 3p-YF-10 NMR study of YbAs_<0.>8Sb_<0.2>
        Hashi K.; Oyamada A.; Maegawa S.; Goto T.; Li D. X.; Suzuki T.
        Abstracts of the meeting of the Physical Society of Japan. Annual meeting, 15 Mar. 1996
      • 1a-YC-5 NMR Study of CePdAl
        Kamioka K.; Oyamada A.; Hashi K.; Maegawa S.; Goto T.; Kitazawa H.
        Abstracts of the meeting of the Physical Society of Japan. Annual meeting, 15 Mar. 1996
      • 1a-YD-13 NMR on a Kagome Lattice Antiferromagnet RFe_3(OH)_6(SO_4)_2(R=NH_4,Na)
        Nishiyama M.; Tanaka N.; Maegawa S.; Oyamada A.; Takano M.
        Abstracts of the meeting of the Physical Society of Japan. Annual meeting, 15 Mar. 1996
      • 少数キャリア系YbAsの、希釈冷凍機によるNMR測定
        小山田 明; 端 健二郎; 前川 覚; 後藤 喬雄
        重点領域研究会“強相関伝導系の物理”, 1996
      • 重い電子系のNMRによる研究
        小山田 明
        人環フォーラム, 1996
      • YbSbの異常磁性
        小山田 明
        重点領域研究会“強相関伝導系の物理”, 1995
      • Ybモノプニクタイトの異常磁性のNMRによる研究
        小山田 明
        物性研究(特集「若手による“核磁気共鳴で見た物性研究”」), 1995, Peer-reviewed
      • Yb系化合物のヘビーフェルミオン状態の研究
        小山田 明; 端 健二郎; 前川 覚; 後藤 喬雄
        重点領域研究会“強相関伝導系の物理”, 1994
      • 強相関電子系についての国際会議
        小山田 明
        実吉奨学会 平成4年度研究助成金受給者 研究報告集, 1992
      • Crystal growth of rare earth compounds in closed system
        T. Suzuki; A. Ochiai; H. Kitazawa; Y. S. Kwon; A. Oyamada; H. Shida; S. Ozeki; O. Nakamura; N. Tomonaga; Y. Haga; A. Omino; T. Kasuya
        The Science Reports of the Tohoku University Series 8, 1991
      • Yb monopnictidesの中性子非弾性散乱
        大山 研司; 神木 正史; 小山田 明; 鈴木 孝; 新井 正敏; A.D. Taylor
        重点領域研究会“アクチナイド化合物の物性研究”, 1991
      • Ybモノプニクタイトの高濃度近藤状態
        小山田 明; 李 徳新; 鈴木 孝; 糟谷 忠雄
        重点領域研究会“アクチナイド化合物の物性研究”, 1991
      • Ybモノプニクタイトの中性子非弾性散乱
        大山 研司; 神木 正史; 小山田 明; 鈴木 孝; 中根 季哉; 新井 正敏
        重点領域研究会“アクチナイド化合物の物性研究”, 1990
      • Yb –モノプニクタイトの近藤状態
        小山田 明; 鈴木 孝; 糟谷 忠雄
        重点領域研究会“アクチナイド化合物の物性研究”, 1990
      • YbAs, U3P4, UP3B0.11のdHvA効果
        武田 直也; 田中 克典; 香川 正毅; 小山田 明; 佐藤 憲昭; 鈴木 孝; 小松原 武美; 坂爪 新一; A. Menovsky
        平成2年 重点領域研究会“アクチナイド化合物の物性研究, 1990
      • 29a-PS-24 Magnetic and Transport Properties of UN and UC
        Ozeki S.; Oyamada A.; Suzuki T.; Kasuya T.; Matsui H.
        年会講演予稿集, 28 Mar. 1989
      • 28p-F-6 Magnetic and Transport Properties of YbAs
        Oyamada A.; Ozeki S.; Takagi S.; Suzuki T.; Kasuya T.
        年会講演予稿集, 28 Mar. 1989
      • Crystal growth of rare-earth compounds with tungsten crucible welding by electron beam
        M. Tomie; N. Abe; H. Shida; A. Ochiai; A. Oyamada; T. Suzuki
        Transactions of JWRI, 1988
      • 27a-LF-2 核磁気緩和からみたウラン化合物のスピンのゆらぎ I(磁性)
        高木 滋; 吉田 禎仁; 小山田 明; 糟谷 忠雄
        年会講演予稿集, 27 Mar. 1987

      Presentations

      • Magnetic structure of a triangular-lattice antiferromagnet UNi4B
        OYAMADA Akira
        The Physical Society of Japan, 22 Sep. 2017
      • Anomalous Hall effect in a triangular-lattice antiferromagnet UNi4B
        OYAMADA Akira
        Actinides2017, 09 Jul. 2017
      • Weak ferromagnetism and anomalous Hall effect in a triangular-lattice antiferromagnet UNi4B
        OYAMADA Akira
        The Physical Society of Japan, 22 Mar. 2016
      • Anomalous Hall effect in the ordered state of triangular-lattice antiferromagnet UNi4B
        OYAMADA Akira
        The Physical Society of Japan, 17 Sep. 2015
      • Spin dynamics in a quantum-spin triangular-lattice antiferromagnet YbCuGe
        OYAMADA Akira
        The Physical Society of Japan, 21 Mar. 2015

      Books and Other Publications

      • Specific Heat in a Low Carrier Concentration Compound : Yb-monophictides
        小山田 明
        Plenum Press, New York,283, Not refereed

      External funds: Kakenhi

      • NMR study on the internal structure of a quantum spin liquid state in the triangular lattice antiferromagnets
        Grant-in-Aid for Scientific Research (B)
        Kyoto University
        Satoru MAEGAWA
        From 01 Apr. 2012, To 31 Mar. 2015, Project Closed
        スピン液体;三角格子;反強磁性体;核磁気共鳴;フラストレーション;量子スピン;物性実験;磁性;量子スピン液体;有機物質;希土類;核スピン緩和;低温;低温物性
      • Exotic orderings in geometrically frustrated magnets
        Grant-in-Aid for Scientific Research on Priority Areas
        Science and Engineering
        Kyoto University
        Satoru MAEGAWA
        Project Closed
        フラストレーション;磁性体;新奇秩序;三角格子;かごめ格子;パイロクロア;反強磁性体;核磁気共鳴;反強磁性
      • Study of the mesoscopic quantum tunneling in nanoscale molecular magnets
        Grant-in-Aid for Scientific Research (B)
        Kyoto University
        Satoru MAEGAWA
        Project Closed
        ナノスケール;ナノサイズ;メゾスコピック;分子磁性体;核磁気共鳴;トンネル現象;スピン;量子, Nano scale;Nano size;mesoscopic;Molecular Magnet;Nuclear Magnetic Resonance;Tunneling Phenomena;Spin;Quantum
      • STUDY OF QUANTUM TUNNELING EFFECT IN NANOSCALE MAGNET BY NUCLEAR MAGNETIC RESONANCE
        Grant-in-Aid for Scientific Research (B)
        KYOTO UNIVERSITY
        Takao GOTO
        Project Closed
        ナノスケール分子磁性体;Mn12-アセテート;V_<15>;^<55>Mn核磁気共鳴;核磁気緩和;量子トンネル効果;ナノスケール磁性体;^<55>Mn NMR;V15;核スピン-格子緩和時間;スピン-スピン緩和時間;量子トンネル現象;核スピン・格子緩和時間;スピン・スピン緩和時間, nano-scale molecular magnet;Mn_<12>-acetate;^<55>Mn NMR;nuclear magnetic resonance;quantum tunneling;V_<15>
      • YbSiにおけるヘビーフェルミオン状態の研究
        Grant-in-Aid for Encouragement of Young Scientists (A)
        Kyoto University
        小山田 明
        Project Closed
        YbSi;ヘビーフェルミオン;NMR
      • Yb_xLu_<1-x>Siにおけるヘビーフェルミオン状態の研究
        Grant-in-Aid for Scientific Research on Priority Areas
        Kyoto University
        小山田 明
        Project Closed
        YbSi;ヘビーフェルミオン;NMR
      • 比熱測定によるSr^2CuO^2Cl^2の磁気秩序状態の研究
        Grant-in-Aid for Encouragement of Young Scientists (A)
        Kyoto University
        小山田 明
        Project Closed
        比熱;2次元ハイゼンベルグ;スピン波

      External funds: others

      • NMR Studies on YbSb
        糟谷研究育成基金
        From 1994, To 1994
        小山田明
      list
        Last Updated :2022/06/24

        Education

        Teaching subject(s)

        • From 01 Apr. 2022, To 31 Mar. 2023
          Introduction to Science A
          0072, Spring, Faculty of Integrated Human Studies, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Learning of Superconductivity from Experience
          9205, Spring, Faculty of Integrated Human Studies, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Basics of Quantum Mechanics
          9264, Spring, Faculty of Integrated Human Studies, 4
        • From Apr. 2013, To Mar. 2014
          Studies of Physics B : recitation
          Spring, 総合人間学部
        • From Apr. 2015, To Mar. 2016
          Learning of Superconductivity from Experience
          Fall, 総合人間学部
        • From Apr. 2016, To Mar. 2017
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2017, To Mar. 2018
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2018, To Mar. 2019
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2019, To Mar. 2020
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2019, To Mar. 2020
          Basics of Quantum Mechanics
          Spring, 総合人間学部
        • From Apr. 2020, To Mar. 2021
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2020, To Mar. 2021
          Basics of Quantum Mechanics
          Spring, 総合人間学部
        • From Apr. 2021, To Mar. 2022
          Learning of Superconductivity from Experience
          Spring, 総合人間学部
        • From Apr. 2021, To Mar. 2022
          General Aspects of Materials Correlations
          Spring, 人間・環境学研究科
        • From Apr. 2021, To Mar. 2022
          Basics of Quantum Mechanics
          Spring, 総合人間学部
        list
          Last Updated :2022/06/24

          Administration

          School management (title, position)

          • From 01 Apr. 2008, To 31 Mar. 2011
            放射線障害予防小委員会 委員

          Faculty management (title, position)

          • From 01 Apr. 2014, To 31 Mar. 2015
            放射線障害防止委員会委員
          • From 01 Apr. 2011, To 31 Mar. 2012
            放射線障害防止委員会委員
          • From 01 Apr. 2012, To 31 Mar. 2013
            放射線障害防止委員会委員
          • From 01 Apr. 2013, To 31 Mar. 2014
            放射線障害防止委員会委員
          • From 01 Apr. 2016, To 31 Mar. 2017
            放射線障害防止委員会委員
          • From 01 Apr. 2017, To 31 Mar. 2018
            放射線障害防止委員会委員
          • From 01 Apr. 2018, To 31 Mar. 2019
            放射線障害防止委員会委員
          • From 01 Apr. 2019, To 31 Mar. 2020
            放射線障害防止委員会委員
          • From 01 Apr. 2020, To 31 Mar. 2021
            放射線障害防止委員会委員
          • From 01 Apr. 2021, To 31 Mar. 2022
            放射線障害防止委員会委員

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