Journal of the Vacuum Society of Japan
解説
格子歪が誘起する金属表面の電子状態変化
関場 大一郎吉本 芳英中辻 寛小森 文夫
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ジャーナル フリー

51 巻 (2008) 5 号 p. 285-290

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  We have studied the electronic structure of the partially N-adsorbed Cu(100) surface, where a lattice contraction is spontaneously induced on the clean Cu region. As a result, an increase of the d-band width due to the lattice constant reduction on the clean Cu region was experimentally confirmed. The shift of the sp-state above the Fermi level was also observed. The experimental facts were well reproduced by first-principles calculations for the strained Cu(100) surface. An interpretation of the strain-induced change on the surface electronic structure in terms of tight-binding model, suggested here, will be useful to discuss the surface chemical reaction change due to the lattice strain.

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© 2008 一般社団法人日本真空学会
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