Optical properties of zinc-iridium oxide thin films

被引：0
|
作者：
Skvortsova, V. [1 ]
Zubkins, M. [1 ]
Kalendarev, R. [1 ]
Arslan, H. [1 ]
Purans, J. [1 ]
机构：
[1] Univ Latvia, Inst Solid State Phys, Riga, Latvia
来源：
FUNCTIONAL MATERIALS AND NANOTECHNOLOGIES (FM&NT 2018) | 2019年 / 503卷
关键词：
CONDUCTION; IR;
D O I：
10.1088/1757-899X/503/1/012016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present the results of an investigation of ultraviolet, visible, near-infrared (UV-Vis-NIR) and X-ray absorption spectroscopy absorption spectra for zinc-iridium oxide (Zn-Ir-O) thin films with various iridium concentrations deposited by reactive DC magnetron sputtering. It is found that the absorption spectra of zinc-iridium oxide thin films contain a broad band with maxima at 446 nm and 710 nm in the visible region, bands with maxima at about 1100 nm and 3300 nm, and a low-intensity absorption band at 1570 nm in the near-infrared region. The obtained absorption bands are associated with iridium ions at valences of Ir3+, Ir4+ and Ir5+. Changes in the oxidation state of iridium ions from 5+ to 4+ are observed.
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页数：4
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