Magnetic Properties of Gadolinium Intercalated Graphite; Gd-GIC : Condensed Matter: Electronic Properties, etc.
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概要
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Magnetic properties of the gadolinium intercalated graphite compound, Gd-GIC, were investigated. This is the first report on the magnetic properties of a trivalent rare-earth GIC. Differences between zero field cooled (ZFC) and field cooled (FC) susceptibility curves were observed. The ZFC curve shows a sharp decrease below 4 K indicating the existence of a disordered magnetic state. Charge transfer from the Gd atoms to the graphite host was concluded from the temperature dependence and hysteresis of the susceptibility. The orbital susceptibility does not reveal any significant anisotropy, which also indicates substantial charge transfer, supporting results of previous photoemission studies.
- 社団法人日本物理学会の論文
- 2000-09-15
著者
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MORI Takao
National Institute for Materials Science
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Tanaka Takaho
National Institute For Research In Inorganic Material
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GOROVIKOV S.A.
Institute of Physics, St. Petersburg State University
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MOLODTSOV S.L.
Institute of Physics, St. Petersburg State University
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Molodtsov S.l.
Institute Of Physics St. Petersburg State University:institut Fur Oberflachen-und Mikrostrukturphysik Technische Universitat Dresden
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Gorovikov S.a.
Institute Of Physics St. Petersburg State University
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