Quenching of giant hysteresis effects in La1-zYzHx switchable mirrors

被引：23

作者：

van Gogh, ATM ^{[1
]}

Nagengast, DG ^{[1
]}

Kooij, ES ^{[1
]}

Koeman, NJ ^{[1
]}

Griessen, R ^{[1
]}

机构：

[1] Free Univ Amsterdam, Fac Sci, Div Phys & Astron, NL-1081 HV Amsterdam, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.85.2156

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The giant intrinsic hysteresis as a function of hydrogen concentration x in the optical and electrical properties of the archetypal switchable mirror YHx is eliminated by alloying Y with the chemically similar La. The La1-zYzHx films with z less than or equal to 0.67 are essentially hysteresis-free. The origin of the large hysteresis of alloys with z greater than or equal to 0.86 is the large uniaxial lattice expansion that accompanies their fee to hexagonal phase transition in combination with lateral clamping.

引用

页码：2156 / 2159

页数：4

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