Polarity identification of ZnO(0001) surface by reflection high-energy electron diffraction

被引：1
作者：
Horio, Yoshimi [1 ]
Yuhara, Junji [2 ]
Takakuwa, Yuji [3 ]
Ogawa, Shuichi [3 ]
Abe, Koji [4 ]
机构：
[1] Daido Univ, Dept Elect & Elect Engn, Nagoya, Aichi 4578530, Japan
[2] Nagoya Univ, Dept Energy Engn, Nagoya, Aichi 4648603, Japan
[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
[4] Nagoya Inst Technol, Dept Elect & Mech Engn, Nagoya, Aichi 4668555, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 04期
关键词：
ZNO SINGLE-CRYSTALS; EPILAYERS; GROWTH;
D O I：
10.7567/JJAP.57.045701
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We measured rocking curves of reflection high-energy electron diffraction (RHEED) from ZnO(0001) polar surfaces. It was found that the rocking curves for each Zn- and O-terminated surface differ considerably. The relaxed structure of each polar surface was obtained from first-principles calculations using density functional theory. The results reveal compression relaxation of the top bilayer. Experimental rocking curves of each polar surface have been successfully reproduced by dynamical calculation of RHEED based on their relaxed surface structures. It was demonstrated that the RHEED method can identify the polarity of ZnO(0001) surfaces. (C) 2018 The Japan Society of Applied Physics
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页数：4
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