ANOMALOUS MULTILAYER RELAXATION OF PD(001)

被引：72

作者：

QUINN, J ^{[1
]}

LI, YS ^{[1
]}

TIAN, D ^{[1
]}

LI, H ^{[1
]}

JONA, F ^{[1
]}

MARCUS, PM ^{[1
]}

机构：

[1] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.42.11348

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A low-energy electron-diffraction intensity analysis of a clean Pd{001} surface finds the first interlayer spacing expanded by about 3% and the second interlayer spacing slightly contracted by about 1% with respect to the bulk value (1.945). These results contradict the trend usually observed or theoretically predicted on fcc {001} surfaces, where the first relaxation is a compression and the second is an expansion. Possible origins of this behavior are suggested. © 1990 The American Physical Society.

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页码：11348 / 11351

页数：4

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