Electrochromic Ni oxide films studied by magnetic measurements

被引:22
作者
Ragan, DD [1 ]
Svedlindh, P [1 ]
Granqvist, CG [1 ]
机构
[1] Uppsala Univ, Dept Technol, S-75121 Uppsala, Sweden
关键词
nickel oxide; thin film; magnetism; optical properties; electrodeposition; sputtering; electrochromism; smart windows;
D O I
10.1016/S0927-0248(98)00076-2
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Ni-oxide-based films were prepared by cathodic electrodeposition and, for comparison, by reactive sputtering. They were characterised by cyclic voltammetry, spectrophotometry (showing electrochromism), and infrared absorption spectroscopy. Magnetic measurements, performed at low temperatures using SQUID technology, exhibited a well-defined Curie Weiss behavior with a transition temperature that was depressed by proton extraction. These data give clear evidence that magnetic measurements can serve as a useful and versatile tool for probing the basic properties of certain electrochromic thin films. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:247 / 254
页数:8
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