OPTICAL ANISOTROPY SPECTRA OF GAAS(001) SURFACES

被引：46

作者：

CHANG, YC

REN, SF

ASPNES, DE

机构：

[1] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801

[2] BELL COMMUN RES INC,RED BANK,NJ 07701

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1992年 / 10卷 / 04期

关键词：

D O I：

10.1116/1.577759

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We present theoretical studies of the optical anisotropy spectra of GaAs(001) surfaces with different reconstructions at growth temperatures. The Ga-rich (4 X 2) missing-dimer surface, three different phases (alpha, beta, and gamma) of the As-rich (2 X 4) surface, and an As-rich c(4 X 4) surface are considered. Total energy calculations within a nearest-neighbor tight-binding model are performed to determine the surface geometry for each reconstruction considered. The difference between reflectance spectra with [110] and [110BAR] polarization for these surfaces is analyzed and compared to available data.

引用

页码：1856 / 1862

页数：7

共 18 条

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