Determination of lattice polarity and surface relaxation of ZnO(0001)-Zn surface by coaxial impact-collision ion scattering Spectroscopy

被引：3
|
作者：
Fujii, S
Michishita, Y
Miyamae, N
Suto, H
Honda, S
Oura, K
Katayama, M
机构：
[1] Osaka Univ, Grad Sch Engn, Div Elect Elect & Informat Engn, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Ultra High Voltage Electron Microscopy Res Ctr, Osaka 5670047, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2005年 / 44卷 / 37-41期
关键词：
ion scattering spectroscopy; zinc oxide; polarity; surface relaxation; CAICISS;
D O I：
10.1143/JJAP.44.L1285
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The lattice polarity and relaxation of a ZnO single-crystal (0001) surface were investigated by coaxial impact-collision ion scattering spectroscopy (CAICISS). The angle dependences of Zn intensity were in excellent agreement with a simulation result for a Zn-face bulk structure, with regard to both peak positions and intensity, which is much better than previous works. We use this advantage to determine the degree of surface relaxation quantitatively. It was found that the topmost Zn layer has an inward relaxation of 2% of the c-axis lattice constant.
引用
收藏
页码：L1285 / L1288
页数：4
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