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The synthesis of platinum silicide at a Pt/SiO_x interface by photon irradiation was investigated using transmission electron microscopy. A platinum silicide, Pt_2Si, was successfully formed at the Pt.../SiO_x interface by irradiation with 680 and 140 eV photons, but not by irradiation with 80 eV photons. Silicide formation was also induced by irradiation with electrons of energy 75 keV. The amount of silicide formed by photon irradiation was lower than the amount obtained by electron irradiation. Silicide formation by both photon and electron irradiation was accompanied by Si depletion in amorphous SiO_x. The experimental results indicate that silicide formation is induced by electronic excitation. A possible mechanism for silicide formation is proposed on the basis of the results.続きを見る
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Mendeley出力
