Switchable mirror based on Mg-Zr-H thin films

被引：15

作者：

Bao, Shanhu ^{[1
,2
]}

Yamada, Yasusei ^{[1
]}

Tajima, Kazuki ^{[1
]}

Jin, Ping ^{[1
,2
]}

Okada, Masahisa ^{[1
]}

Yoshimura, Kazuki ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Mat Res Inst Sustainable Dev, Moriyama Ku, Nagoya, Aichi 4638560, Japan

[2] Chinese Acad Sci, Shanghai Inst Ceram, Res Ctr Ind Ceram, Shanghai 201800, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 513卷

基金：

中国国家自然科学基金;

关键词：

Switchable mirror; Mg-Zr thin film; Hydriding and dehydriding; Metal hydrides; Gasochromic materials; Hydrogen storage alloy; HYDROGEN-DESORPTION PROPERTIES; HIGH-PRESSURE TECHNIQUE; MAGNESIUM; HYDRIDES; DEGRADATION; PROPERTY; NICKEL; GPA;

D O I：

10.1016/j.jallcom.2011.10.098

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A Mg-Zr thin film is prepared on a glass substrate by co-sputtering of Mg and Zr targets and in situ sputtering of a thin Pd overlayer. The structural and optical properties of Mg-Zr and Mg-Zr-H thin film are investigated induced by hydrogen absorption and/or desorption at room temperature. Optical transmission and reflection data indicated that Mg-Zr-H thin film is the color-neutral in the visible range with chromaticity coordinates of x = 0.3566 and y = 0.3430. The formation of the ternary hydride Mg0.82Zr0.18H2 is confirmed in an Mg-rich Mg-Zr solid solution thin film in the hydride state. The hydrogen insertion and extraction occurs in fcc lattice structure. Because the volume change according to hydrogenation and dehydrogenation, the switching durability is much better than that of the switchable mirror using Mg-Ni alloy. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：495 / 498

页数：4

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