Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21573
Title: Stability of hydrogen-induced optical switching properties of palladium-coated magnesium-nickel films
Authors: Tang, YM
Ong, CW 
Keywords: Hydrogen sensing
Magnesiumnickel alloy films
Optical switching
Stability
Issue Date: 2011
Publisher: Elsevier Science Bv
Source: Solid state ionics, 2011, v. 184, no. 1, p. 88-91 How to cite?
Journal: Solid State Ionics 
Abstract: Hydrogen (H 2)-induced optical switching properties of palladium-coated magnesium-nickel films were investigated. When the H content increased, the film started with an amorphous α-phase solution of H, and then became a mixture of amorphous α- and β-phase, and finally an amorphous β-phase solution of H. The film experienced volume changes, leading to damage of the Pd layer, followed by oxidation of the alloy layer and failure of the switching properties. If the Pd cover layer is made to have an appropriate thickness, the cyclic lifetime can be substantially extended to over 1000 cyclic exposures to 4% H 2 (in argon) and air.
URI: http://hdl.handle.net/10397/21573
DOI: 10.1016/j.ssi.2010.09.043
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