EFFECT OF TIP ATOMIC-STRUCTURE ON SCANNING TUNNELING SPECTROSCOPY

被引：8

作者：

KOBAYASHI, K ^{[1
]}

ISSHIKI, N ^{[1
]}

TSUKADA, M ^{[1
]}

机构：

[1] KAO CORP,KAO INST KNOWLEDGE & INTELLIGENCE SCI,SUMIDA KU,TOKYO 131,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1990年 / 74卷 / 11期

关键词：

D O I：

10.1016/0038-1098(90)90303-S

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Tunneling conductance in scanning tunneling spectroscopy of graphite is simulated by the first-principles electronic structure calculation. As models of tip, W10[111], W14[110], and Pt10[111] clusters are adopted. Simulated tunneling spectra are influenced by the shape of tip apex and deviate from one obtained by the theory assuming the conductance proportional to the surface local density of states. A broader energy spectrum of tip levels reproduces well the experimental data. © 1990.

引用

页码：1187 / 1191

页数：5

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