DEFORMATION OF OCTAHEDRA AT LAB6(100) SURFACE STUDIED BY HREELS

被引：18

作者：

NAGAO, T ^{[1
]}

KITAMURA, T ^{[1
]}

IIZUKA, T ^{[1
]}

UMEUCHI, M ^{[1
]}

OSHIMA, C ^{[1
]}

OTANI, S ^{[1
]}

机构：

[1] NATL INST RES INORGAN MAT,TSUKUBA,IBARAKI 305,JAPAN

来源：

SURFACE SCIENCE | 1993年 / 287卷 / pt A期

关键词：

10;

D O I：

10.1016/0039-6028(93)90809-X

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The surface phonons of LaB6(100) surface have been investigated by means of high resolution electron energy spectroscopy. On the clean surface we have observed 8 loss peaks in the off-specular spectra, of which the higher energy losses are related to the vibrations of the three-dimensional network of boron. Theoretical analysis based on a force constant model strongly suggests the deformation of the three-dimensional network of boron; the topmost octahedra are expanded by approximately 0.004 nm parallel to the surface.

引用

页码：391 / 395

页数：5