Direct Observation of Electron Density Distribution of the Molecular Orbital Detected by Synchrotron Radiation X-Pay Diffraction

• Project/Area Number: 18310073
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Nanostructural science
• Research Institution: High Energy Accelerator Research Organization
• Principal Investigator: SAWA Hiroshi High Energy Accelerator Research Organization, Institute of Materials Structure Science, Professor (50215901)
• Project Period (FY): 2006 – 2007
• Project Status: Completed (Fiscal Year 2007)
• Budget Amount: ¥16,640,000 (Direct Cost: ¥14,900,000、Indirect Cost: ¥1,740,000); Fiscal Year 2007: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000); Fiscal Year 2006: ¥9,100,000 (Direct Cost: ¥9,100,000)
• Keywords: Synchrotron Radiation X-ray / Single Crystal Structure Analysis / Charge Density Analysis / Molecular Conductor / Charge Ordering / Wigner Crystallization / Charge Density Wave / 雷荷秩序

Research Abstract

The Synchrotron Radiation (SR) X-ray is finding increasing use in the study of material science. In this project, we utilized the SR X-ray diffraction methods for the determination of the electronic state in the novel molecular crystals.
Rarefied electron gas system at high temperature is homogeneous due to the large kinetic energy compared to the Coulomb repulsion among electrons. At extreme low temperatures, the system will tend to condense and make uneven lumps, as theoretically predicted in the early 1930's. Since these lumps carry a negative charge, they form a structure where they try to avoid each other in the spatial positioning. We call this phenomenon the Wigner crystallization. A molecular conductor (DI-DCNQI)_2Ag is insulating even at room temperature. Below 220 K, Hiraki and Kanoda suggested that the 4k_F Wigner crystal type of charge order (CO) on DCNQI molecules by NMR technique. This CO ground state was theoretically predicted by Seo, et. al. It is very interesting whether (or how) the electron crystal is stable in the real solid. Single crystal x-ray diffraction measurements using SR were performed at PF, KEK. According to the result of the structural analysis, two-fold structure in ground state consists of not only charge ordering columns but also monotonic charge dimerized columns caused by geometrical frustration among DCNQI columns. In spite of these complicated order parameters, this charge ordered structure is regarded as a Wigner crystal caused by inter-column Coulomb repulsion. This is a first direct observation of the 3D electron crystal. Furthermore, we investigated the electronic state in several molecular materials during the term of project.

Research Products

• [Journal Article] Orbital Ordering Structures in (Nd, Pr)_<0.5>Sr_<0.5>MnO_3 Manganite Thin Films on Perovskite (011) Substrates (2008)
  • Author(s): Yusuke Wakabayashi, Daisuke Bizen, Yugo Kubo, Hironori Nakao, Youichi Murakami, Masao Nakamura, Yasushi Ogimoto, Kenjiro Miyano, and Hiroshi Sawa
  • Journal Title: J. Phys. Soc. Jpn. 77(1)
  • NAID: 110006594918
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Orbital Ordering Structures in(Nd, Pr) 0.5Sr0.5MnO3 Manganite Thin Fihlms on Perovskite(011) Substrates (2008)
  • Author(s): Yusuke Wakabayashi, Daisuke Bizen, Yugo Kubo, Hironori Nakao, Youichi Murakami, Masao Nakamura, Yasushi Ogimoto, Kenjiro Miyano, Hiroshi Sawa
  • Journal Title: J.Pys. Soc. Jpn. 77(1)
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Superconductivity of doped Ar@C_<60> (2007)
  • Author(s): K. Yakigaya, A. Takeda, Y. Yokoyama, S. Ito, T. Miyazaki, T. Suetsuna, H. Shimotani, T. Kakiuchi, H. Sawa, H. Takagi, K. Kitagawa, N. Dragoe
  • Journal Title: New Journal of Chemistry 31 Pages: 973-979
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Charge ordering in α-(BEDT-TTF)_2I_3 by synchrotron X-ray diffraction (2007)
  • Author(s): T. Kakiuchil, Y. Wakabayashi, H. Sawa, T. Takahashi, T. Nakamura,
  • Journal Title: J. Phys. Soc. Jpn. 46(10) Pages: 3810-3812
  • NAID: 110006530722
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Domain formation in the structural phase transition of the organic superconductor κ_L-(DMEDO-TSeF)_2[Au(CN)_4](THF) (2007)
  • Author(s): T. Kawamoto, T. Mori, T. Kakiuchi, H. Sawa, T. Shirahata, M. Kibune, H. Yoshino, T. Imakubo
  • Journal Title: Phys. Rev. B76 Pages: 134517-134517
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Manganese (III, IV) and Manganese (III) Oxide Clusters Trapped by Copper (II) Complexes (2007)
  • Author(s): S. Yamashita, T. Shiga, M. Kurashima, M. Nihei, H. Nojiri, H. Sawa, T. Kakiuchi, H. Oshio
  • Journal Title: Inorganic Chemistry 46(10) Pages: 3810-3812
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Wigner Crystallization in (DI-DCNQI)_2Ag Detected by Synchrotron Radiation X-Ray Diffraction (2007)
  • Author(s): T. Kakiuchi, Y. Wakabayashi, H. Sawa, T. Itou, K. Kanoda
  • Journal Title: Phys Rev. Lett. 98
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Relation between superconductivity and superstructure in Ce_2RhIn_8 (2007)
  • Author(s): M. Koeda, T. Fujiwara, M. Hedo, Y. Uwatoko, H. Sagayama, Y. Wakabayashi and H. Sawa,
  • Journal Title: Journal of Magnetism and Magnetic Materials 310, Issue2, Part1 Pages: 31-32
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] 分子性伝導体におけるWigner結晶の観測-幾何学フラストレーションと秩序変数- (2007)
  • Author(s): 澤博、鹿野田一司
  • Journal Title: 固体物理 42(12)
  • NAID: 40015783987
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Superconductivity of doped AR@C60 (2007)
  • Author(s): K. Yakigaya, A. Takeda, Y. Yokoyama, S. Ito, T. Miyazaki, T. Suetsuna, H. Shimotani, T. Kakiuchi, H. Sawa, H. Takagi, K. Kitagawa, N. Dragoe
  • Journal Title: New Journal of Chemistry 31 Pages: 973-979
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Charge ordering in α- BEDT-TTF) 2I3 by synchrotron X-ray diffraction (2007)
  • Author(s): T. Kakiuchil, Y. Wakabayashi, H. Sawa, T. Takahashi, T. Nakamura
  • Journal Title: J. Phys. Soc. Jpn. 76(11) Pages: 113702-113702
  • NAID: 130005296620
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Domain formation in the structural phse transition of the organic superconductor □L-(DMEDO-TSeF) 2[Au(CN) 4](THF) (2007)
  • Author(s): T. Kawamoto, T. Mori, T. Kakiuchi, H. Sawa, T. Shirahara, M. Kibune, H. Yoshino, T. Imakubo
  • Journal Title: Phys, Rev. B76 Pages: 134517-134517
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Manganese(III, IV) and Manganese(III) Oxide Clusters Trapped by Copper(II) Complexes (2007)
  • Author(s): S. Yamashita, T. Shiga, M. Kurashima, M. Nihei, H. Nojiri, H. Sawa, T. Kakiuchi, H. Oshio
  • Journal Title: Inorganic Chemistry 46(10) Pages: 3810-3812
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Wigner Crystallization in(DI-DCNQI) 2Ag Detected by Synchrotron Radiation X-Ray Diffraction (2007)
  • Author(s): T. Kakiuchi, Y. Wakabayashi, H. Sawa, T. Itou, K. Kanoda
  • Journal Title: Phys Rev Lett. 98
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Relation Between superconductivity and superstructure in Ce2RhIn8 (2007)
  • Author(s): Masahito Koeda, Tetsuya Fujiwara, Masato Hedo, Yoshiya Uwatoko, Hajime Sagayama, Yusuke Wakabayashi, Hiroshi Sawa
  • Journal Title: Journal of Magnetism and Magnetic Materials, Vol. 310 Issue2, Part1
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Observation of Wigner Crystallization in Molecular conductro-Geometrical Frustration and Order Parameters- (2007)
  • Author(s): Hiroshi Sawa, Kazushi Kanoda
  • Journal Title: Solida State Physics 42(12)
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] X-ray Diffraction Study on Charge and Orbital Order in Pr0.65 Ca0.35MnO3 under High Pressure (2007)
  • Author(s): Susumu shimomura, Kazutoshi Torashima, Nobuyoshi Wakabayashi, Kengo Nishimoto, Takashi tonegawa, Nozomu Hamaya, Hiroshi Sawa, Yasuhide Tomioka, Yoshinori Tokura
  • Journal Title: J.Pys. Soc. Jpn. 76(12)
  • NAID: 130005296631
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Charge ordering in α-(BEDT-TTF)_2I_3 by synchrotron X-raydiffraction (2007)
  • Author(s): T.Kakiuchil, Y.Wakabayashi, H.Sawa, T.Takahashi, T.Nakamura
  • Journal Title: J.Phys.Soc.Jpn. 176(11)
  • Peer Reviewed
• [Journal Article] Domain formation in the structural phase transition of the organic superconductor κ_L-(DMEDO-TSeF)_2[Au(CN)_4](THF) (2007)
  • Author(s): T.Kawamoto, T.Mori, T.Kakiuchi, H.Sawa, T.Shirahata, M.Kibune, H.Yoshino, T.Imakubo
  • Journal Title: Phys.Rev. B76
• [Journal Article] Manganese(III,IV)and Manganese(I,II)Oxide Clusters Trapped by Copper(II)Complexes (2007)
  • Author(s): S.Yamashita, T.Shiga, M.Kurashima, M.Nihei, H.Nojiri, H.Sawa, T.Kakiuchi, H.Oshio
  • Journal Title: Inorganic Chemistry 46(10) Pages: 3810-3812
  • Peer Reviewed
• [Journal Article] Relation between superconductivity and superstructure in Ce_2RhIn_8 (2007)
  • Author(s): M.Koeda, T.Fujiwara, M.Hedo, Y.Uwatoko, H.Sagayama, Y.Wakabayashi, H.Sawa
  • Journal Title: Journal of Magnetism and Magnetic Materials 310(2)
  • Peer Reviewed
• [Journal Article] Wigner Crystallization in(DI-DCNQI)_2Ag Detected by Synchrotron Radiation X-Ray Diffraction (2007)
  • Author(s): T.Kakiuchi, Y.Wakabayashi, H.Sawa, T.Itou, K.Kanoda
  • Journal Title: Phys Rev.Lett. 98
  • Peer Reviewed
• [Journal Article] Superconductivity of doped Ar@C_<60> (2007)
  • Author(s): K.Yakigaya, A.Takeda, Y.Yokoyama, S.Ito, T.Miyazaki, T.Suetsuna, H.Shimotani, T.Kakiuchi, H.Sawa, H.Takagi, K.Kitaawa, N.Dragoe
  • Journal Title: New Journal of Chemistry 31 Pages: 973-979
  • Peer Reviewed
• [Journal Article] Checkerboard-type charge-ordered state of a pressure-induced superconductor, β-(meso-DMBEDT-TTF)_2PF_6 (2006)
  • Author(s): S. Kimura, H. Suzuki, T. Maejima, H. Mori, J.-I. Yamaura, T. Kakiuchi, H. Sawa, H. Moriyama
  • Journal Title: J. Am. Chem. Soc. 125(5) Pages: 1456-1457
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Dynamical Valence Fluctuation at the Charge-Density-Wave Phase Boundary in Iodide-Bridged Pt Compound [Pt(chxn)_2I]I_2 (2006)
  • Author(s): S. Takaishi, D. Kawakami, M. Yamashita, M. Sasaki, T. Kajiwara, H. Miyasaka, K. Sugiura, Y. Wakabayashi, H. Sawa, H. Matsuzaki, H. Kishida, H. Okamoto, H. Watanabe, H. Tanaka, K. Marumoto, H. Ito, S. Kuroda
  • Journal Title: J. Am. Chem. Soc. 128 Pages: 6420-6425
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Direct Determination of Low-Dimensional Structures : Synchrotron X-ray Scattering on One-Dimensional Charge-Ordered MMX-Chain Complexes (2006)
  • Author(s): Y. Wakabayashi, A. Kobayashi, H. Sawa, H. Ohsumi, N. Ikeda, H. Kitagawa
  • Journal Title: J. Am. Chem. Soc. 128(20) Pages: 6676-6682
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Most Stable Metallic Phase of the Mixed-Valence MMX-Chain, Pt_2(dtp)_4I (dtp : C2H5CS2-), in Purely d-Electronic Conductors Based on the Transition-Metal Complex (2006)
  • Author(s): K. Otsubo, A. Kobayashi, H. Kitagawa, M. Hedo, Y. Uwatoko, H. Sagayama, Y. Wakabayashi, H. Sawa
  • Journal Title: J. Am. Chem. Soc. 128(25) Pages: 8140-8141
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Current-Induced metallic State in an Organic (EDT-TSF)_2GaCl_4 Conductor (2006)
  • Author(s): Hisataka Endo, Tadashi Kawamoto, Takehiko Mori, Ichiro Terasaki, Toru Kakiuchi, Hiroshi Sawa, Mie Kodani, Kazuo Takimiya, and Tetsuo Otsubo
  • Journal Title: J. Am. Chem. Soc 128(28) Pages: 9006-9007
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Two Types of Multistack Structures in MgB_2-Type Superconductor CaAlSi (2006)
  • Author(s): H. Sagayama, Y. Wakabayashi, H. Sawa, T. Kamiyama, A. Hoshikawa, S. Hatjo, K. Uozato, A. K. Ghosh, M. Tokunaga, T. Tamegai :
  • Journal Title: J. Phys. Soc. Jpn 75
  • NAID: 110004729256
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Iron Vacancy Ordered γ-Fe_2O_3(001) Epitaxial Films : The Crystal Structure and Electrical Resistivity (2006)
  • Author(s): H. Yanagihara, M. Hasegawa, E. Kita, Y. Wakabayashi, H. Sawa, and K. Siratori
  • Journal Title: J. Phys. Soc. Jpn 75
  • NAID: 110004702336
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Superconductivity of doped Ar@C_<60> (2006)
  • Author(s): A. Takeda, Y. Yokoyama, S. Ito, T. Miyazaki, H. Shimotani, K. Yakigaya, T. Kakiuchi, H. Sawa, H. Takagi, K. Kitazawa N. Dragoe
  • Journal Title: Chem. Commun. Pages: 912-914
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Novel orbital ordering induced by anisotropic stress in a manganite thin film (2006)
  • Author(s): Y. Wakabayashi, D. Bizen, H. Nakao, Y. Murakami, M. Nakamura, Y. Ogimoto, K. Miyano and H. Sawa :
  • Journal Title: Phys Rev. Lett. 96
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Correlation between crystal structures of CaAlSi with and without superlattice and superconduction properties (2006)
  • Author(s): S. Kuroiwa, H. Sagayama, T. Kakiuchi, H. Sawa, Y. Noda and J. Akimitsu
  • Journal Title: Phys. Rev. B74
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Halogen-Bridged PtII/PtIV Mixed-Valence Ladder Compounds (2006)
  • Author(s): D. Kawakami, M. Yamashita, S. Matsunaga, S. Takeishi, T. Kajiwara, H. Miyasaka, K. Sugiura, H. Matsuzaki, H. Okamoto, Y. Wakabayashi, H. Sawa
  • Journal Title: Angewandte Chemie Int. Ed. 45 Pages: 7214-7217
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Pressure-Induced Metal-Semiconductor-Metal Transitions in an MMX-Chain Complex, Pt_2(C_2H_5CS_2)_4I (2006)
  • Author(s): A. Kobayashi, A. Tokunaga, R. Ikeda, H. Sagayama, Y. Wakabayashi, H. Sawa, M. Hedo, Y. Uwatoko, H. Kitagawa^*
  • Journal Title: European Journal of Inorganic Chemistry Pages: 3567-3570
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Dynamical Valence Fluctuation at the Charge-Density-Wave Phase Boundary in Iodide-Bridged Pt Compound [Pt(chxn) 2I]I2 (2006)
  • Author(s): S. Takaishi, D. Kawakami, M. Yamashita, M. Sasaki, T. Kajiwara, H. Miyasaka, K. Sugiura, Y. Wakabayashi, H. Sawa, H. Matsuzaki, H. Kishida, H. Okamoto, H. Watanabe, H. Tanaka, K. Marumoto, H. Ito, S. Kuroda
  • Journal Title: J. Am. Chem. Soc. 128(19) Pages: 6420-6425
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Direct Determination of Low-Dimensional Structures : Synchrotron X-ray Scattering on One-Dimensional Charge-Ordered MMX-Chain Complexes (2006)
  • Author(s): Y. Wakabayashi, A. Kobayashi, H. Saa, H. Ohsumi, N. Ikeda, H. Kitagawa
  • Journal Title: J. Am. Chem. Soc. 128(20) Pages: 6676-6682
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Most Stable Metallic Phase of the Mixed-Valence MMX-Chain, Pt2(dtp) 4I(dtp : C2H5CS2-), in Purely d-Electronic Conductors Based on the Transition-Metal Complex (2006)
  • Author(s): K. Otsubo, A. Kobayashi, H. Kitagawa, M. Hedo, Y. Uwatoko, H. Sagayama, Y. Wakabayashi, H. Sawa
  • Journal Title: J. Am. Chem. Soc. 128(25) Pages: 8140-8141
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Current -Induced metallic State in an Organic(EDT-TSF) 2GACl4 Conductor (2006)
  • Author(s): Hisataka Endo, Tadashi Kawamoto, takehiko Mori, Ichiro Tarasaki : Toru Kakiuchi, Hiroshi Sawa, Mie Kodani, Kazuo Takimiya, Tetsuo Otsubo
  • Journal Title: J. Am. Chem. Soc. 128(28) Pages: 9006-9007
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Two Types of Multistack Structures in MgB2-Type Superconductor CaAlSi (2006)
  • Author(s): H. Sagayama, Y. Wakabayashi, H. Sawa, T. Kamiyama, A. Hoshikawa, S. Hatjo, K. Uozato, A. K. Ghosh, M. Tokunaga, T. Tamegai
  • Journal Title: J. Phys. Soc. Jpn. 75(4)
  • NAID: 210000106083
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Iron Vacancy Ordered Y_Fe2O3(001) Epitaxial Fims : The Crystal Structure and Electrical Resistivity (2006)
  • Author(s): H. Yanagihara, M. Hasegawa, E. Kita, Y. Wakabayashi, H. Sawa, K. Siratori
  • Journal Title: J. Phys. Soc. Jpn. 75(5)
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Superconducivity of doped Ar@C60 (2006)
  • Author(s): A. Takeda, Y. Yokoyama, S. Ito, T. Miyazaki, H. Shimotani, K. Yakigaya, T. Kakiuchi, H. Sawa, H. Takagi, K. Kitazawa, N. Dragoe
  • Journal Title: Chem. Commun. 8 8 Pages: 912-914
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Novel orbital ordering induced by anisotropic stress in a manganite thin film (2006)
  • Author(s): Y. Wakabayashi, D. Bizen, H. Nakao, Y. Murakami, M. Nakamura, Y. Ogimoto, K. Miyano, H. Sawa
  • Journal Title: Phys Rev Lett. 96(1)
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Correlation between crystal structures of CaAlSi with and without superlatice and superconduction properties (2006)
  • Author(s): S. Kuroiwa, H. Sagayama, T. Kakiuchi, H. Sawa, Y. Noba, J. Akimistu
  • Journal Title: Phys, Rev. B 74
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Halogen-Bridged PtII/PtIV Mixed-Valence Ladder Compounds (2006)
  • Author(s): D. Kawakami, M. Yamashita, -S. Matsunaga, S. Takeishi, T. Kajiwara, H. Miyasaka, K. Sugiura, H. Matsuzaki, H. Okamoto, Y. Wakabayashi, H. Sawa
  • Journal Title: Angewandte Chemie Int. Ed. 45 Pages: 7214-7217
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Pressure-Induced Metal-Semiconductor-Metal Transitions in an MMX-Chain Complex, Pt2(C2H5CS2) 4I (2006)
  • Author(s): A. Kobayashi, A. Tokunaga, R. Ikeda, H. Sagayama, Y. Wakabayashi, H. Sawa, M. Hedo, Y. Uwatoko, H. Kitagawa
  • Journal Title: European Journal of Inorganic Chemistry Pages: 3567-3570
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Pressure-Induced Metal-Semiconductor-Metal Transitions in an MMX-Chain Complex,Pt2(C2H5CS2)4I (2006)
  • Author(s): A.Kobayashi, A.Tokunaga, R.Ikeda, H.Sagayama, Y.Wakabayashi, H.Sawa, M.Hedo, Y.Uwatoko, H.Kitagawa
  • Journal Title: European Journal of Inorganic Chemistry(2006),3567-3570 Pages: 3567-3570
• [Journal Article] Halogen-Bridged PtII/PtIV Mixed-Valence Ladder Compounds~<**> (2006)
  • Author(s): D.Kawakami, M.Yamashita, S.Matsunaga, S.Takeishi, T.Kajiwara, H.Miyasaka, K.Sugiura, H.Matsuzaki, H.Okamoto, Y.Wakabayashi, H.Sawa
  • Journal Title: Angewandte Chemie Int.Ed.45(2006)7214-7217 45 Pages: 7214-7217
• [Journal Article] Correlation between crystal structures of CaAlSi with and without superlattice and superconduction properties (2006)
  • Author(s): S.Kuroiwa, H.Sagayama, T.Kakiuchi, H.Sawa, Y.Noda, J.Akimitsu
  • Journal Title: Phys.Rev.B74,(2006)014517-1-014517-5 74
• [Journal Article] Novel orbital ordering induced by anisotropic stress in a manganite thin film (2006)
  • Author(s): Y.Wakabayashi, D.Bizen, H.Nakao, Y.Murakami, M.Nakamura, Y.Ogimoto, K.Miyano, H.Sawa
  • Journal Title: Phys Rev.Lett.96(2006)017202-1-017202-IV 96
• [Journal Article] Iron Vacancy Ordered γ-Fe203(001) Epitaxial Films : The Crystal Structure and Electrical Resistivity (2006)
  • Author(s): H.Yanagihara, M.Hasegawa, E.Kita, Y.Wakabayashi, H.Sawa, K.Siratori
  • Journal Title: J.Phys.Soc.Jpn.75(2006)054708-1-054708-5 75
• [Presentation] Pr_<0.55>(Ca_<1-y>Sr_y)_<0.45>MnO_3薄膜の光スイッチング効果-構造の光照射効果 (2008)
  • Author(s): 若林裕助、小川直毅、田久保直子、市川広彦、佐藤篤志、一柳光平、足立伸一、腰原伸也、宮野健次郎、澤博
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近大
  • Year and Date: 2008-03-26
  • Description: 「研究成果報告書概要(和文)」より
• [Presentation] 放射光による単結晶H_2@C_<60>の精密構造解析 (2008)
  • Author(s): 土岐睦、澤博、村田靖次郎、小松紘一、二川秀史、赤阪健、谷垣勝巳
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近大
  • Year and Date: 2008-03-23
  • Description: 「研究成果報告書概要(和文)」より
• [Presentation] 電荷移動相転移を示す鉄混合原子価錯体の低温構造 (2007)
  • Author(s): 真木祥千子、市川広彦、足立伸一、澤博、腰原伸也、木田紀行、榎本真哉、小島憲道
  • Organizer: 日本物理学会 第62回年次大会
  • Place of Presentation: 北大
  • Year and Date: 2007-09-24
  • Description: 「研究成果報告書概要(和文)」より
• [Presentation] 放射光X線回折によるガス内包フラーレンの構造物性研究 (2007)
  • Author(s): 垣内徹、土岐睦、赤田美佐保、澤博、谷垣勝己、八木ケ谷謙一、高木英典、Nita Dragoe、村田理尚、村田靖次郎、小松紘一
  • Organizer: 日本物理学会 2007春季大会
  • Place of Presentation: 鹿児島大
  • Year and Date: 2007-03-21
  • Description: 「研究成果報告書概要(和文)」より
• [Presentation] 放射光回折の有機導体への応用:分子の電荷分布を見る (2007)
  • Author(s): 澤博
  • Organizer: 日本物理学会 2007春季大会
  • Place of Presentation: 鹿児島大
  • Year and Date: 2007-03-20
  • Description: 「研究成果報告書概要(和文)」より
• [Presentation] Wigner Crystallization in a Molecular Conducrot, (DI-DCNQI) 2Ag (2007)
  • Author(s): H. Sawa, T. Kakiuchi, Y. Wakabayashi, K. Kanoda
  • Organizer: Asian Crystallographic Association
  • Place of Presentation: Taipei, Taiwan
  • Description: 「研究成果報告書概要(欧文)」より
• [Presentation] Orbital Ordered Structure of a Manganite Thin Film Observed by K-edge Resonant X-ray Scattering (2006)
  • Author(s): Y. Wakabayashi, D. Bizen, H. Nakao, Y. Murakami, M. Nakamura, Y. Ogimoto, K. Miyano, H. Sawa
  • Organizer: The Ninth International Conference on Synchrotro Radiation Instrumentation
  • Place of Presentation: Daegu, Korea
  • Description: 「研究成果報告書概要(欧文)」より
• [Presentation] Direct Observation of a Gas Molecule(H2, Ar) Swallowed by C_<60> (2006)
  • Author(s): H. Sawa, T. Kakiuchi, Y. Wakabayashi, Y. Murata, K. Komatsu, K. Yakigya, H. Takagi, N. Dragoe
  • Organizer: The Ninth International Conference on Synchrotro Radiation Instrumentation
  • Place of Presentation: Daegu, Korea
  • Description: 「研究成果報告書概要(欧文)」より
• [Presentation] Structural Study of MgB_2-type Superconductor Ca(Al1/2Si1/2) 2 (2006)
  • Author(s): H. Sawa, Y. Wakabayashi, T. Kamiyama, H. Sagayama, A. Hoshikawa, S. Harjo, K. Uozato, A. K. Ghosh, M. Tokunaga, T. Tamegai, S. Kuroiwa, J. Akimitsu
  • Organizer: The International Symposium on Anomalous Quantum Materials 2006 and the 5th Asia-Pacific Workshop
  • Place of Presentation: Okinawa, Japan
  • Description: 「研究成果報告書概要(欧文)」より
• [Presentation] Structural Study of MgB_2-type Superconductor CaAlSi using SR X-ray and TOF-Neutron Diffraction Methods Diffraction Methods (2006)
  • Author(s): H. Sawa, Y. Wakabayashi, T. Kamiyama, H. Sagayama, A. Hoshikawa, S. Harjo, K. Uozato, A. K. Ghosh, M. Tokunaga, T. Tamegai, S. Kuroiwa, J. Akimitsu
  • Organizer: The 1st International Symposium of Quantum Beam Science directorate of JAEA
  • Place of Presentation: Tokaimura, Japan
  • Description: 「研究成果報告書概要(欧文)」より
• [Presentation] Low-dimensionally Ordered Structure in Metal Complexes Analyzed with the Energy spectrum of the Diffuse X-ray Scattering Intensity (2006)
  • Author(s): Y.Wakabayashi, A. Kobayashi, H. Sawa, H. Ohsumi, N. Ikeda, H. Kitagawa
  • Organizer: The 1st Workshop of the Asia/ Oceania Form for Synchrotro Radiaton Research
  • Place of Presentation: Tsukuba, Japan
  • Description: 「研究成果報告書概要(欧文)」より