NMR Investigation of Energy Gap Formation in the Valence Fluctuating Compound CeNiSn

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概要

• 論文の詳細を見る

• 1 195hIlIn NMR study as been made 111 a gap-type va ence fluctuatung compoundCeNiSn. From the measurements of Knight shift and the nuclear spin lattice relaxalion time T. of "'Sn, it is proved that no magnetic ordering occurs down to 0.38 K.The relaxation rate, 1 / T, markedly decreases below 30 K down to 0.40 K. Thisbehavior can be well interpreted by a quasiparticle band model which possesses aband width of 140 K and a low energy excitation inside an energy gap of 14 K at theFermi level. Then it is clarified from the microscopic point of view that the pseudo-gap formed at the Fermi level has a character that the quasiparticle density of state islinearly proportional to the energy near the Fermi level at low temperatures.

• 社団法人日本物理学会の論文
• 1990-05-15

著者

• 中村 裕之

  Graduate School Of Material Science University Of Hyogo

• NAKAMURA Hiroyuki

  Department of Materials Science and Engineering, Kyoto University

• 高畠 敏郎

  Department Of Quantum Matter Adsm Hiroshima University:institute For Advanced Materials Research Hir

• KITAOKA Yoshio

  Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka Universit

• FUJII Hironobu

  Faculty of Integrated Arts and Sciences,Hiroshima University

• TAKABATAKE Toshiro

  Faculty of Integrated Arts and Sciences,Hiroshima University

• Asayama Kunisuke

  Department of Material Physics, Faculty of Engineering Science, Osaka University

• Asayama Kunisuke

  Department Of Physical Science Graduate School Of Engineering Science Osaka University

• Asayama Kunisuke

  Department Of Material Physics Faculty Of Engineering Science Osaka University

• Takabatake Toshiro

  Faculty Of Integrated Arts And Sciences Hiroshima University

• KYOGAKU Masafumi

  Department of Material Physics,Faculty of Engineering Science,Osaka University

• TESHIMA Fumio

  Faculty of Integrated Arts and Sciences,Hiroshima University

• Teshima Fumio

  Faculty Of Integrated Arts And Sciences Hiroshima University

• Kitaoka Yoshio

  Graduate School Of Engineering Science Osaka University

• Kitaoka Yoshio

  Department Of Material Physics Faculty Of Engineering Science Osaka University

• Nakamura H

  Institute For Protein Research Osaka University

• Kyogaku Masafumi

  Department Of Material Physics Faculty Of Engineering Science Osaka University

• Nakamura Hiroyuki

  Department Of Dermatology Hokkaido University Graduate School Of Medicine

• Fujii Hironobu

  Faculty Of General Education Hiroshima University

• Nakamura Hiroyuki

  Department Of Chemistry Graduate School Of Science Tohoku University

• Nakamura Hiroyuki

  Department Of Biochemistry Osaka Medical Center For Cancer And Cardiovascular Diseases

• Nakamura Hiroyuki

  Department of Advanced Materials, University of Tokyo, Kashiwa, Chiba 277-8561

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