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Metals 2012, 2(3), 253-257;

Anomalous Structure of Palladium-Capped Magnesium Thin Films

Multifunctional Thin Film Group, Materials Research Institute for Sustainable Development, National Insititute of Advanced Industrial Science and Technology (AIST), Shimoshidami, Moriyama-ku, Nagoya 463-8560, Japan
Received: 30 May 2012 / Revised: 5 July 2012 / Accepted: 16 July 2012 / Published: 25 July 2012
(This article belongs to the Special Issue Magnesium Technology)
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Pd capped pure Mg thin film (50 nm thick) was prepared by magnetron sputtering and its hydrogenation at room temperature has been investigated. After exposure to 4% hydrogen gas diluted by argon, the Pd/Mg thin films show drastic optical changes from the metallic state to the transparent state within five seconds by hydrogenation. Transmission electron microscope observation reveals that this sample has an anomalous structure; Mg grain is surrounded by Pd. This structure may be the reason why Pd/Mg films can be hydrogenated so quickly at room temperature. View Full-Text
Keywords: magnesium; palladium; sputtering magnesium; palladium; sputtering

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Yoshimura, K. Anomalous Structure of Palladium-Capped Magnesium Thin Films. Metals 2012, 2, 253-257.

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