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Metals 2012, 2(3), 253-257; doi:10.3390/met2030253
Article

Anomalous Structure of Palladium-Capped Magnesium Thin Films

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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Abstract

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.
Keywords: magnesium; palladium; sputtering magnesium; palladium; sputtering
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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

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