Title: Tunable reflectance Mg-Ni-H films
Authors: Isidorsson, J ×
Giebels, IAME
Griessen, R
Di Vece, Marcel #
Issue Date: Apr-2002
Publisher: Amer inst physics
Series Title: Applied Physics Letters vol:80 issue:13 pages:2305-2307
Abstract: Mg2NiHx switchable mirrors, which switch from shiny metallic Mg2Ni to transparent Mg2NiH4, are shown to exhibit also dramatic reversible changes in reflectance at remarkably low hydrogen concentrations. Already for xcongruent to0.3 a 232 nm thick Mg2NiHx film has an absorptance of similar to90% over the whole visible optical spectrum. The transition from highly reflective to black occurs in the concentration interval 0.1<x<0.3. The volume changes involved are one order of magnitude smaller than in the transition from reflecting to transparent. This is expected to enhance the lifetime of future devices based on these materials. (C) 2002 American Institute of Physics.
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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