ELECTRONIC PROPERTIES OF GRAPHITE INTERCALTION COMPOUNDS(Superconductivity・Intercalation)

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概要

• 論文の詳細を見る

• The de Haas-van Alphen effect and electrical transport properties of graphite intercalation compounds, C_<12n>K (n=2, 3, 4), C_8K and C_xBr, were measured. The Fermi surfaces of C_<48>K and C_<36>K were constructed by adopting the rigid band model of graphite and using the measured value of de Haas-van Alphen period as well as introducing the energy gap due to the super-lattice of intercalate layers along the c-axis. The Fermi surfaces are made of three electron surfaces, two of which are open and the rest one is closed. The open surface was verified by a large transverse magneto-resistance with the parallel magnetic field to the layer plane. For C_8K, the measured de Haas-van Alphen period agreed with the expected value of the cylindrical part of the calculated Fermi surface. Superconductivity was proved on C_8K having the transition temperature of 128-198 mK which was depending on the sample.

• 東北大学の論文

著者

• Tanuma S.

  Institute For Solid State Physics University Of Tokyo

• Suematsu H.

  Institute Of Materials Science University Of Tsukuba

• Higuchi K.

  Nippon Electric Company Ltd.

• Koike Y.

  Institute for Solid State Physics, University of Tokyo

関連論文

• Phase Transitions in Graphite-Alkali Metal Intercalation Compounds(Superconductivity・Intercalation)
• ELECTRICAL PROPERTIES OF 1T-TaS_2(Phase Transition・Charge Density Wave)
• ELECTRONIC PROPERTIES OF GRAPHITE INTERCALTION COMPOUNDS(Superconductivity・Intercalation)

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