Effects of cation distribution on optical properties of Mn-Co-Ni-O films

被引：27
作者：
Ma, Chao [1 ,2 ]
Ren, Wei [1 ]
Wang, Lei [1 ]
Bian, Liang [1 ]
Xu, Jin Bao [1 ]
Chang, Ai Min [1 ]
机构：
[1] Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 153卷
基金：
中国科学院西部之光基金;
关键词：
Thin films; Optical properties; Cation distribution; Absorption; THIN-FILMS; DEPENDENCE; THICKNESS;
D O I：
10.1016/j.matlet.2015.04.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of cation distribution on optical properties of MnxCo2.52-xNi0.48O4 serial thin films are investigated by spectroscopic ellipsometry and Raman technique. The optical constants present a distinctive difference with the change of the cation distribution in the serial films. Three absorption structures are found in the dielectric constant spectra while their intensities strongly depend on the distribution of cations. Complementary Raman scattering measurements corroborate the varying absorptions are mainly contributed by Mn ions in high photon energy range but Co ions in low. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：162 / 164
页数：3
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