A scanning probe microscopy study of the (001) surfaces of V2O5 and V6O13

被引：50

作者：

Smith, RL

Rohrer, GS

Lee, KS

Seo, DK

Whangbo, MH

机构：

[1] CARNEGIE MELLON UNIV,DEPT MAT SCI & ENGN,PITTSBURGH,PA 15213

[2] N CAROLINA STATE UNIV,DEPT CHEM,RALEIGH,NC 27695

来源：

SURFACE SCIENCE | 1996年 / 367卷 / 01期

基金：

美国国家科学基金会;

关键词：

atomic force microscopy; scanning tunneling microscopy; surface structure; vanadium oxide;

D O I：

10.1016/S0039-6028(96)00858-8

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：

Single crystals of V2O5(001) and V6O13(001) were imaged in ambient conditions by scanning tunneling microscopy (STM) and atomic force microscopy (AFM). Atomic-scale resolution images are compared with partial and total electron-density plots of the surface calculated using the extended Huckel tight-binding electronic band-structure method The V2O5(001) surface is terminated by vanadyl O atoms that dominate the contrast in both AFM and STM images. The V6O13(001) surface, on-the other hand, is terminated by a V-O plane and the contrast in both AFM and STM images is dominated by the V atoms.

引用

页码：87 / 95

页数：9

共 48 条

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