SURFACE-STRUCTURE OF (ROOT-7X-ROOT-7) R19.1-DEGREES-S/CU(111) STUDIED BY SURFACE EXAFS AND BACK-REFLECTION X-RAY STANDING-WAVE METHOD

被引：16

作者：

KITAJIMA, Y

TAKATA, Y

SATO, H

YOKOYAMA, T

OHTA, T

KURODA, H

机构：

[1] HIROSHIMA UNIV,FAC SCI,DEPT MAT SCI,HIROSHIMA 724,JAPAN

[2] SCI UNIV TOKYO,SCI & TECHNOL RES INST,NODA,CHIBA 278,JAPAN

[3] UNIV TOKYO,FAC SCI,DEPT CHEM,TOKYO 113,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷

关键词：

SURFACE RECONSTRUCTION; SURFACE COMPOUND; ADSORPTION; SULFUR; EXAFS; STANDING WAVE; CU;

D O I：

10.7567/JJAPS.32S2.377

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Surface local structure of (square-root 7 x square-root 7)R 19. 1-degrees S/Cu(111) was studied by polarization-dependent surface EXAFS and Back-Reflection X-ray Standing-Wave (BRXSW) method. A surface structure model is proposed, which satisfies both surface EXAFS and BRXSW results. It consists of three adsorption sites of sulfur atoms; 3-fold hollow site on the top copper layer, embedded site in the top layer, and 3-fold hollow site on the second copper layer. This model is consistent with the recent STM observation.

引用

收藏

页码：377 / 379

页数：3

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