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>Stability of hydrogen-induced optical switching properties of palladium-coated magnesium-nickel films
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Stability of hydrogen-induced optical switching properties of palladium-coated magnesium-nickel films
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机译:氢致钯镀镁镍薄膜的光开关特性的稳定性
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摘要
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.
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