恒川　雅典

滋賀大学教授 ◎
自然系教育（理科） 物理学教授 ◎

研究者情報

研究分野

  • ナノテク・材料, 金属材料物性
  • 自然科学一般, 磁性、超伝導、強相関系
  • 自然科学一般, 半導体、光物性、原子物理
研究活動情報

論文

  • Temperature dependence of the electronic structure of A-site ordered perovskite CaCu3Ti4O12: Angle-integrated and -resolved photoemission studies
    H.J. Im; T. Sakurada; M. Tsunekawa; T. Watanabe; H. Miyazaki; S. Kimura
    Solid State Communications, 2019年06月, 査読有り
    298(113648), 113648, 1, 4
  • Soft X-ray photoemission study of Co2(Cr1-xFex)Ga Heusler compounds
    M. Tsunekawa; Y. Hattori; A. Sekiyama; H. Fujiwara; S. Suga; T. Muro; T. Kanomata; S. Imada
    Japanese Journal of Applied Physics, 2015年07月, 査読有り
    54(8), 8
  • Electronic structure of Mott-insulator CaCu3Ti4O12: Photoemission and inverse photoemission study
    H.J. Im; M. Iwataki; S. Yamazaki; T. Usui; S. Adachi; M. Tsunekawa; T. Watanabe; K. Takegahara; S. Kimura; M. Matsunami; H. Sato; H. Namatame; M. Taniguchi
    Solid State Communications, 2015年05月, 査読有り
    217, 17, 20
  • Spin reorientation and large magnetic anisotropy of metastable bcc Co islands on Au(001)
    T. Miyamachi; T. Kawagoe; S. Imada; M. Tsunekawa; H. Fujiwara; M. Geshi; A. Sekiyama; K. Fukumoto; F. H. Chang; H. J. Lin; F. Kronast; H. Dürr; C. T. Chen; S. Suga
    Physical Review B, 2014年11月, 査読有り
    90
  • Strong correlation effects in the A-site ordered perovskite CaCu3Ti4O12 revealed by angle-resolved photoemission spectroscopy
    H. J. Im; M. Tsunekawa; T. Sakurada; M. Iwataki; K. Kawata; T. Watanabe; K. Takegahara; H. Miyazaki; M. Matsunami; T. Hajiri; S. Kimura
    Physical Review B, 2013年11月, 査読有り
    88
  • Intrinsic correlated electronic structure of CrO2 revealed by hard x-ray photoemission spectroscopy
    M. Sperlich; C. Koenig; G. Guentherodt; A. Sekiyama; G. Funabashi; M. Tsunekawa; S. Imada; A. Shigemoto; K. Okada; A. Higashiya; M. Yabashi; K. Tamasaku; T. Ishikawa; V. Renken; T. Allmers; M. Donath; S. Suga
    Physical Review B, 2013年06月, 査読有り
    87
  • Bulk electronic structures and Strong electron-phonon interactions in an electron-doped high-temperature superconductors
    M. Tsunekawa; A. Sekiyama; S. Kasai; S. Imada; H. Fujiwara; T. Muro; Y. Onose; Y. Tokura; S. Suga
    New Journal of Physics, 2008年07月, 査読有り
    10
  • Origin of "Hot Spots" in the pseudogap regime of Nd1.85Ce0.15CuO4: An LDA+DMFT+Sigma(k) study
    E. E. Kokorina; E. Z. Kuchinskii; I. A. Nekrasov; Z. V. Pchelkina; M. V. Sadovskii; A. Sekiyama; S. Suga; M. Tsunekawa
    Journal of Experimental and Theoretical Physics, 2008年05月, 査読有り
    107(05), 05, 828, 838
  • Electronic and magnetic states of Mn2.97Co0.03GaC studied by soft X-ray photoemission and magnetic circular dichroism
    Atsushi Matsumoto; Masanori Tsunekawa; Shigemasa Suga; Hirofumi Wada; Takayuki Muro; Tetsuya Nakamura; Shin Imada
    JAPANESE JOURNAL OF APPLIED PHYSICS, 2008年03月, 査読有り
    47(3), 3, 1567, 1569
  • Reduction of Kondo lattice effects in Yb1-xLuxAl3 observed by soft x-ray photoelectron spectroscopy
    J. Yamaguchi; A. Sekiyama; S. Imada; A. Yamasaki; M. Tsunekawa; T. Muro; T. Ebihara; Y. Onuki; S. Suga
    New Journal of Physics, 2007年09月, 査読有り
    9
  • Soft x-ray Magnetic Circular dichroism of Ce(Fe0.8Co0.2)2
    M. Tsunekawa; S. Imada; A. Matsumoto; A. Yamasaki; H. Fujiwara; S. Suga; B. Schmid; H. Higashimichi; T. Nakamura; T. Muro; H. Wada
    American Institute of Physics Conference Proceedings, 2007年06月, 査読有り
    879, 1703, 1706
  • Electronic and magnetic states of Ce 4f electrons in CeRh3B2
    S. Imada; A. Yamasaki; M. Tsunekawa; A. Higashiya; A. Sekiyama; H. Sugawara; H. Sato; S. Suga
    Journal of Electron Spectroscopy and Related Phenomena, 2007年01月, 査読有り
    436, 440
  • Temperature and magnetic field dependence of the soft x-ray magnetic circular dichroism intensity for the Mn-L3 edge of MnFeP0.78Ge0.22
    M. Tsunekawa; S. Imada; A. Matsumoto; A. Yamasaki; S. Suga; B. Schmid; Y. Hattori; T. Nakamura; E; B; ck
    Journal of Magnetism and Magnetic Materials, 2006年11月, 査読有り
    310
  • Dimensionality of the electronic states in Nd0.45Sr0.55MnO3 studied by soft x-ray photoemission
    H. Fujiwara; A. Sekiyama; M. Yano; T. Murakawa; T. Miyamachi; M. Tsunekawa; S. Imada; B. Schmid; M. Sing; A. Higashiya; T. Muro; T. Nakamura; K. Noda; H. Kuwahara; S. Miyasaka; Y. Tokura; S. Suga
    Journal of Magnetism and Magnetic Materials, 2006年11月, 査読有り
    310, 816, 818
  • Bulk sensitive core-level photoemission spectroscopy of VO2
    T. Miyamachi; A. Sekiyama; S. Imada; H. Fujiwara; T. Saita; H. Higashimichi; T. Shirai; J. Yamaguchi; M. Tsunekawa; A. Shigemoto; A. Yamasaki; A. Higashiya; M. Yabashi; T. Muro; D. Miwa; K. Tamasaku; T. Ishikawa; K. Yoshimura; S. Suga
    Journal of Magnetism and Magnetic Materials, 2006年11月, 査読有り
    310
  • Case for bulk nature of spectroscopic Luttinger liquid signatures observed in angle-resolved photoemission spectra of Li0.9 Mo6 O17
    Feng Wang; S. K. Mo; J. W. Allen; H. D. Kim; J. He; R. Jin; D. Mandrus; A. Sekiyama; M. Tsunekawa; S. Suga
    Physical Review B - Condensed Matter and Materials Physics, 2006年, 査読有り
    74(11), 11
  • Kondo Lattice Effects of YbAl3 Suggested by Temperature Dependence of High-Accuracy High-Energy Photoelectron Spectroscopy
    S. Suga; A. Sekiyama; S. Imada; A. Shigemoto; A. Yamasaki; M. Tsunekawa; C. Dallera; L. Braicovich; T.-L. Lee; O. Sakai; T. Ebihara; Y. Onuki
    Journal of the Physical Society of Japan, 2005年11月, 査読有り
    74(11), 11, 2880, 2884
  • Photoemission Spectroscopy of Sm4As3 Using Soft and Hard X-rays
    A. Yamasaki; A. Sekiyama; S. Imada; M. Tsunekawa; C. Dallera; L. Braicovich; T.-L. Lee; A. Ochiai; S. Suga
    Journal of the Physical Society of Japan, 2005年09月, 査読有り
    79(9), 9, 2538, 2543
  • Bulk-sensitive photoemission spectroscopy for heavy-fermion Pr compounds using hard x-ray
    A Yamasaki; S Imada; A Sekiyama; M Tsunekawa; C Dallera; L Braicovich; TL Lee; H Sugawara; H Sato; R Settai; Y Onuki; S Suga
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2005年07月, 査読有り
    74(7), 7, 2045, 2051
  • Bulk sensitive photoelectron spectroscopy with soft and hard X-rays:Soft X-ray ARPES toward high resolution HAXPES
    A. Yamasaki; A. Sekiyama; S. Imada; M. Tsunekawa; A. Higashiya; A. Shigemoto; S. Suga
    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2005年06月, 査読有り
    547, 136, 150
  • High-energy photoemission on Fe3O4: Small polaron physics and the Verwey transition
    D. Schrupp; M. Sing; M. Tsunekawa; H. Fujiwara; S. Kasai; A. Sekiyama; S. Suga; T. Muro; V.A.M. Brabers; R. Claessen
    Europhyics Letters, 2005年05月, 査読有り
    70, 789, 795
  • Soft X-ray photoemission study of CeRhAs and related compounds: observation of a bulk pseudo-gap
    A Sekiyama; Y Fujita; M Tsunekawa; S Kasai; A Shigemoto; S Imada; DT Adroja; T Yoshino; F Iga; T Takabatake; T Nanba; S Suga
    PHYSICA B-CONDENSED MATTER, 2005年04月, 査読有り
    359, 115, 117
  • Bulk electronic state of high-TC Cuprate La2-xSrxCuO4 observed by high-energy angle resolved photoemission spectroscopy
    S. Kasai; A. Sekiyama; M. Tsunekawa; P. T. Ernst; A. Shigemoto; A. Yamasaki; A. Irizawa; S. Imada; M. Sing; T. Muro; T. Sasagawa; H. Takagi; S. Suga
    Journal of Electron Spectroscopy and Related Phenomenon, 2005年03月, 査読有り
    507, 509
  • High-resolution photoemission of Nd1-xSrxMnO3
    H. Fujiwara; A. Sekiyama; A. Higashiya; K. Konoike; M. Tsunekawa; A. Yamasaki; A. Irizawa; S. Imada; T. Muro; K. Noda; H. Kuwahara; Y. Tokura; S. Suga
    Journal of Electron Spectroscopy and Related Phenomena, 2005年03月, 査読有り
  • High-resolution soft x-ray photoemission study of a Kondo semiconductor and related compounds
    A. Sekiyama; Y. Fujita; M. Tsunekawa; S. Kasai; A. Shigemoto; S. Imada; D. T; Adro ja; T. Yoshino; F. Iga; T. Takabatake; T. Nanba; S. Suga
    Journal of Electron Spectroscopy and Related Phenomena, 2005年03月, 査読有り
    655, 657
  • Soft x-ray photoemission study of organic conductor BEDT-TTF and BEDO-TTF salts
    M. Tsunekawa; A. Sekiyama; S. Imada; T. Saita; M. Maesato; H. Yamochi; G. Saito; S. Suga
    Journal of Electron Spectroscopy and Related Phenomenon, 2005年02月, 査読有り
    275, 277
  • Bulk electronic structures of n-type superconductor Nd1.85 Ce0.15CuO4 probed by high energy angle-resolved photoemission spectroscopy
    M. Tsunekawa; A. Sekiyama; S. Kasai; A. Yamasaki; H. Fujiwara; M. Sing; A. Shigemoto; S. Imada; Y. Onose; Y. Tokura; T. Muro; S. Suga
    Journal of Electron Spectroscopy and Related Phenomenon, 2005年02月, 査読有り
    541, 543
  • Hard and soft X-ray photoemission spectroscopy of ferromagnetic Sm4As3
    A. Yamasaki; A. Sekiyama; M. Tsunekawa; S. Imada; A. Ochiai; C. Dallera; L. Braicovich; T. -L. Lee; S. Suga
    Journal of Electron Spectroscopy and Related Phenomena, 2005年02月, 査読有り
    617, 619
  • Bulk-sensitive photoemission spectroscopy of Pr-based filled skutterudites
    A. Yamasaki; S. Imada; A. Sekiyama; M. Tsunekawa; T. Nanba; C. Dallera; L. Braicovich; T. -L. Lee; H. Sugawara; H. Sato; C. Sekine; I. Shirotani; R. Settai; Y. Onuki; H. Harima; S. Suga
    Journal of Electron Spectroscopy and Related Phenomena, 2005年02月, 査読有り
    621, 623
  • Metal-insulator transition in V6O13 probed by photoemission and optical studies
    A. Irizawa; A. Higashiya; M. Tsunekawa; A. Sekiyama; S. Imada; S. Suga; T. Yamaguchi; Y. Ueda; M. Arita; Y. Takeda; H. Namatame; M. Taniguchi; T. Nanba
    Journal of Electron Spectroscopy and Related Phenomena, 2005年02月, 査読有り
    345, 347
  • Technique for bulk Fermiology by photoemission applied to layered ruthenates
    A. Sekiyama; S. Kasai; M. Tsunekawa; Y. Ishida; M. Sing; A. Irizawa; A. Yamasaki; S. Imada; T. Muro; Y. Saitoh; Y. Onuki; T. Kimura; Y. Tokura; S. Suga
    Physical Review B, 2004年08月, 査読有り
    70
  • Surface electronic structure and Verwey-transition of magnetite studied by photoemission spectroscopy
    D Schrupp; M Sing; M Tsunekawa; H Fujiwara; S Kasai; A Sekiyama; S Suga; T Muro; VAM Brabers; R Claessen
    ANNALEN DER PHYSIK, 2004年01月, 査読有り
    13(1-2), 1-2, 78, 80
  • Temperature-dependent change of correlated electronic states in Yb4As3 and Yb-4(As1-xSbx)(3) probed by high resolution photoemission spectroscopy
    S Suga; A Ochiai; T Suzuki; H Harada; A Sekiyama; T Matsushita; T Iwasaki; A Kimura; M Tsunekawa; T Muro; S Ueda; H Daimon; S Imada; H Namatame; M Taniguchi; H Ishii; T Miyahara; T Hanyu; A Fujimori
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1998年10月, 査読有り
    67(10), 10, 3552, 3560
  • High resolution resonance photoemission, XPS and inverse photoemission spectroscopy of CePdX (X = As, Sb)
    T Iwasaki; S Suga; S Imada; Y Kuwata; T Muro; S Ueda; M Saeki; H Harada; M Tsunekawa; T Matsushita; A Sekiyama; A Fujimori; H Ishii; T Kimura; T Miyahara; T Suzuki; K Katoh; A Ochiai
    JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 1998年03月, 査読有り
    88, 309, 314
  • Effects of Coster-Kronig decay on Ce 3d-4f resonant photoemission spectra of CeOs2
    H Ishii; T Kimura; T Miyahara; T Hanyu; T Iwasaki; S Ueda; M Tsunekawa; T Nakatani; T Matsushita; S Imada; H Daimon; S Suga; A Sekiyama; A Fujimori; H Namatame; M Taniguchi; A Kimura; H Sugawara; Y Aoki; H Sato
    JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 1998年03月, 査読有り
    88, 419, 424
  • Photoemission of CeX2Y2 and Ce(Pd1-xCux)(3)
    S Imada; M Tsunekawa; T Iwasaki; S Suga; Y Onuki; F Iga; M Kasaya; Y Kawasaki; K Ishida; Y Kitaoka; K Asayama
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998年01月, 査読有り
    177, 387, 388
  • High-resolution photoemission study of metallic, insulating, and superconducting BEDT-TTF salts
    A Sekiyama; T Susaki; A Fujimori; T Sasaki; N Toyota; T Kondo; G Saito; M Tsunekawa; T Iwasaki; T Muro; T Matsushita; S Suga; H Ishii; T Miyahara
    PHYSICAL REVIEW B, 1997年10月, 査読有り
    56(14), 14, 9082, 9090
  • High resolution photoemission study of Nd0.5Sr0.5MnO3: Temperature dependence and resonance spectra
    S. Suga; T. Matsushita; M. Tsunekawa; T. Iwasaki; J. Samejima; Y. Kuwata; A. Kimura; A. Sekiyama; A. Fujimori; H. Ishii; T. Miyahara; H. Kuwahara; Y. Tokura
    Physica B, 1997年07月, 査読有り
    423, 424
  • High resolution photoemission study of CeRu2Si2
    M. Tsunekawa; S. Suga; A. Kimura; T. Matsushita; T. Muro; S. Ueda; H. Daimon; S. Imada; T. Nakatani; Y. Saitoh; T. Iwasaki; A. Sekiyama; A. Fujimori; H. Ishii; T. Miyahara; T. Hanyu; H. Namatame; M. Taniguchi; E. Shigemasa; O. Sakai; R. Takayama; R. Settai; H. Azuma; Y. Onuki
    Solid State Communications, 1997年, 査読有り
    103(12), 12, 659, 662
  • Low-energy electronic structure of the Kondo insulator YbB12
    T Susaki; A Sekiyama; K Kobayashi; T Mizokawa; A Fujimori; M Tsunekawa; T Muro; T Matsushita; S Suga; H Ishii; T Hanyu; A Kimura; H Namatame; M Taniguchi; T Miyahara; F Iga; M Kasaya; H Harima
    PHYSICAL REVIEW LETTERS, 1996年11月, 査読有り
    77(20), 20, 4269, 4272
  • Investigation on permanently densified vitreous silica by means of neutron scattering
    A. Hiramatsu; M. Arai; H. Shibazaki; M. Tsunekawa; T. Otomo; A.C. Hannon; S.M. Bennington; N. Kitamura; A. Onodera
    Physica B, 1996年04月, 査読有り
    287, 289

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