EVIDENCE FOR POSSIBLE ELECTRONIC CONTRIBUTIONS TO THE W(001) SURFACE PHASE-TRANSITION

被引：80

作者：

KRAKAUER, H

POSTERNAK, M

FREEMAN, AJ

机构：

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 43卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.43.1885

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The calculated surface generalized susceptibility, determined from ab initio self-consistent thin-film energy bands for the unreconstructed phase of W(001), displays a prominent peak at M̄ when matrix elements and local-field corrections are included and supports proposed charge-density-wave interpretations of the observed reconstruction to the c(2×2) phase. These results are consistent with the Debe and King parallel-shift model and the suggestion that W(001)c(2×2)-H at room temperature represents an impurity-stabilized substrate reconstruction. © 1979 The American Physical Society.

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页码：1885 / 1889

页数：5

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