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Demixing of Solid-Soluted Co–Pd Binary Alloy Induced by Microwave Plasma Hydrogen Irradiation Technique

2006; Institute of Physics; Volume: 45; Issue: 8L Linguagem: Inglês

10.1143/jjap.45.l860

1347-4065

Tomoharu Tokunaga, Yasuhiko Hayashi, Takeshi Fujita, S. Ravi P. Silva, G.A.J. Amaratunga,

Hydrogen Storage and Materials

Demixing in a solid-soluted Co–40 at. % Pd alloy has been induced by microwave plasma hydrogen irradiation on mixture of Pd–Co island grains on Si substrate. The microstructure observation and X-ray microanalysis by a transmission electron microscope before and after the microwave plasma hydrogen irradiation provide a clear evidence of demixing in metallic Co–Pd alloys, that may indicate a possibility of the decomposition into Pd hydride and Co under a hydrogen irradiation at high temperatures.