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Title: Extremely Large Magnetoresistance in the Nonmagnetic Metal PdCoO_{2}
Authors: Takatsu, Hiroshi  kyouindb  KAKEN_id
Ishikawa, Jun J.
Yonezawa, Shingo  kyouindb  KAKEN_id  orcid (unconfirmed)
Yoshino, Harukazu
Shishidou, Tatsuya
Oguchi, Tamio
Murata, Keizo
Maeno, Yoshiteru  kyouindb  KAKEN_id
Author's alias: 米澤, 進吾
Issue Date: Aug-2013
Publisher: American Physical Society
Journal title: Physical Review Letters
Volume: 111
Issue: 5
Thesis number: 056601
Abstract: Extremely large magnetoresistance is realized in the nonmagnetic layered metal PdCoO2. In spite of a highly conducting metallic behavior with a simple quasi-two-dimensional hexagonal Fermi surface, the interlayer resistance reaches up to 35 000% for the field along the [11̅ 0] direction. Furthermore, the temperature dependence of the resistance becomes nonmetallic for this field direction, while it remains metallic for fields along the [110] direction. Such severe and anisotropic destruction of the interlayer coherence by a magnetic field on a simple Fermi surface is ascribable to orbital motion of carriers on the Fermi surface driven by the Lorentz force, but seems to have been largely overlooked until now.
Description: 単純な金属を磁気センサーに応用できる新メカニズムの発見. 京都大学プレスリリース. 2013-07-31.
Rights: © 2013 American Physical Society
DOI(Published Version): 10.1103/PhysRevLett.111.056601
PubMed ID: 23952426
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