Vortex Lattice and Quasiparticle Density of States in CeRu_2 Studied by Scanning Tunneling Spectroscopy : Condensed Matter: Electronic Properties, etc.
スポンサーリンク
概要
- 論文の詳細を見る
Scanning tunneling microscopy (STM) and spectroscopy (STS) measurements have been performed on an intermetallic compound CeRu_2 down to 2.2 K. Vacuum tunneling spectra have been measured on the surface prepared by cracking the sample in helium gas at 4.2 K. The shape and temperature dependence of the quasiparticle density of states, N_s (E, r), have been well interpreted in terms of s-wave BCS superconductors. In magnetic fields, the hexagonal vortex lattice has been imaged by measurements of N_s (E = 0, r) up to 2 T. This is the first observation of the vortex lattice by STS in heavy-fermion superconductors.
- 社団法人日本物理学会の論文
- 2000-07-15
著者
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YAMAMOTO Etsuji
Advanced Science Research Center, Japan Atomic Energy Research Institute
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HAGA Yoshinori
Advanced Science Research Center, Japan Atomic Energy Research Institute
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ONUKI Yoshichika
Graduate School of Science, Osaka University
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NISHIDA Nobuhiko
Department of Physics,University of Tokyo
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HEDO Masato
Graduate School of Science,Osaka University
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INADA Yoshihiko
Graduate School of Science,Osaka University
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Inada Y
Graduate School Of Science Osaka University
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Inada Y
Department Of Physics Faculty Of Science Tohoku University
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Haga Yoshinori
Advanced Science Research Center Japan Atomic Energy Research Institute
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SAKATA Hideaki
Department of Physics, Tokyo University of Science
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Yamamoto Etsuji
Advanced Science Research Center Japan Atomic Energy Agency
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Onuki Yoshichika
Graduate School Of Science Osaka University
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Nishida N
Tokyo Inst. Of Technol. Tokyo
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Nishida N
The Institute For Soild State Physics The University Of Tokyo:faculty Of Science Tokyo Insutitute Of
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Nishida Nobuhiko
Department Of Physics University Of Tokyo
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Shiozawa Hidetsugu
Department Of Physics Tokyo Metropolitan University
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SAKURAI Kenji
Graduate School of Science, Osaka University
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Mukuda Hidekazu
Department Of Materials Engineering Science Graduate School Of Engineering Science Osaka University
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Nishida Nobuhiko
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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Hedo Masato
Graduate School Of Science Osaka University
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Sakata Hideaki
Department Of Physics Faculty Of Science Tokyo Institute Of Technology
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Okuda Yusuke
Gradnate School Of Science Osaka University
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Inada Yoshihiko
Graduate School of Science, Osaka University
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HAGA Yoshinori
Advance Science Research Center, Japan Atomic Energy Agency
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Sakata Hideaki
Department of Otolaryngology, Saitama Children's Medical Center
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