Quenching of Giant Hysteresis Effects in La1-zYzHx Switchable Mirrors

A.T.M. van Gogh; D.G. Nagengast; Ernst S. Kooij; N.J. Koeman; R. Griessen

doi:10.1103/PhysRevLett.85.2156

Quenching of Giant Hysteresis Effects in La1-zYzHx Switchable Mirrors

A.T.M. van Gogh
, D.G. Nagengast
, Ernst S. Kooij
, N.J. Koeman
, R. Griessen

University of Twente

Research output: Contribution to journal › Article › Academic

26 Citations (Scopus)

1 Downloads (Pure)

Abstract

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≤0.67 are essentially hysteresis-free. The origin of the large hysteresis of alloys with z≥0.86 is the large uniaxial lattice expansion that accompanies their fcc to hexagonal phase transition in combination with lateral clamping.

Original language	Undefined
Pages (from-to)	2156-2159
Journal	Physical review letters
Volume	85
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.85.2156
Publication status	Published - 2000

Keywords

IR-75180

Access to Document

10.1103/PhysRevLett.85.2156

Cite this

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abstract = "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≤0.67 are essentially hysteresis-free. The origin of the large hysteresis of alloys with z≥0.86 is the large uniaxial lattice expansion that accompanies their fcc to hexagonal phase transition in combination with lateral clamping.",

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AU - Griessen, R.

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AB - 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≤0.67 are essentially hysteresis-free. The origin of the large hysteresis of alloys with z≥0.86 is the large uniaxial lattice expansion that accompanies their fcc to hexagonal phase transition in combination with lateral clamping.

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DO - 10.1103/PhysRevLett.85.2156

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