Superconductivity and Magnetoresistance Oscillations in Weakly Pressurized Quasi One-Dimensional Superconductor (DMET-TSeF)_2AuI_2
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概要
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Low-temperature magnetoresistance measurements were used to characterize the superconducting state and the electronic structure of the quasi one-dimensional salt (DMET-TSeF)_2AuI_2. The measurements revealed an essential role of small pressure created by grease molding. The small pressure suppressed the resistance jumps so that the intrinsic properties of the salt were clearly observed. The upper critical fields were determined for all three principal crystallographic directions. In contrast to strain-free samples, slightly pressurized samples show clear angle-dependent magnetoresistance oscillations related to the Fermi surface topology, demonstrating close similarity to the (TMTSF)_2X salts.
- 社団法人日本物理学会の論文
- 2002-02-15
著者
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KATO Reizo
RIKEN (The institute of Physical and Chemical Research)
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Kato Reizo
Riken
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SHIMOJO Yoshiro
Physics Department, Kyoto University
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ISHIGURO Takehiko
Physics Department, Kyoto University
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TANATAR Makariy
Physics Department, Kyoto University
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Ishiguro Takehiko
Physics Department Kyoto University:crest Jst
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SHIMOJO Yoshiro
National Institute of Advanced Industrial Science and Technology
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Tanatar Makariy
Department Of Physics Graduate School Of Science Kyoto University:crest Japan Science And Technology
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Shimojo Y
Japan Atomic Energy Research Institute
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Ishiguro T
Department Of Physics Graduate School Of Science Kyoto University:crest Japan Science And Technology
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ISHIGAURO Takehiko
Electrotechnical Laboratory
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KATO Reizo
RIKEN, The Institute of Physical and Chemical Research
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