Screening of Coulomb Potential by 2-Dimensional Band Electrons in Intercalated Layered Materials

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概要

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• A model calculation is performed to investigate the effect of screening on theCoulomb potential of an intercalant Ton in intercalated layered materials. The 2-dimensional conduction band electrons of the host material, which have transferredfrom intercalants, screen the Coulomb potential. The investigation is made by usingthe Thomas-Fermi approximation. The spatial behavior of the screened potential isclassified into three clearly distinct regimes: the regime of 1/r (c<<r), the rapiddecreasing regime (r?c) and the regime of 1/r' (r>>c), where r is a distance from theintercalant and c is an interlayer distance of host materials. The existence of the rapiddecreasing regime is one of the most remarkable features of our model system consisting of an intercalant and two sandwiching host layers.

• 社団法人日本物理学会の論文
• 1987-06-15

著者

• NAKAO Kenji

  Institute of Materials Science, University of Tsukuba

• Hiramoto Hisashi

  Institute Of Materials Science University Of Tsukuba

• Sekiguchi Toshihiro

  Institute Of Materials Science University Of Tsukuba:device Development Center Hitachi Ltd. Ome Toky

• Nakao Kenji

  Institute Of Materials Science University Of Tsukiba

• Nakao Kenji

  Institute Of Materials Science Uneversity If Tsukuba

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