CHARACTERIZATION OF SURFACE-DEFECTS FORMATION IN STRONTIUM-TITANATE (100)

被引：31

作者：

HIRATA, A ^{[1
]}

ANDO, A ^{[1
]}

SAIKI, K ^{[1
]}

KOMA, A ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT CHEM,TOKYO 113,JAPAN

来源：

SURFACE SCIENCE | 1994年 / 310卷 / 1-3期

关键词：

D O I：

10.1016/0039-6028(94)91374-9

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 electronic properties of SrTiO3(100) surfaces after various treatments have been studied by electron energy loss spectroscopy and Auger electron spectroscopy. A stoichiometric surface without contamination can be obtained by annealing at 910 K under oxygen atmosphere of 5 x 10(-5) Pa. The surface heated under ultrahigh vacuum (UHV) at 910 K exhibits a new surface state in the band gap region, which comes from oxygen vacancies at the top Ti-O2 layer. This state is also produced by electron irradiation or Ar-ion bombardment.

引用

页码：89 / 94

页数：6

共 10 条

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