Oxidation of Galleum Selenide (IMAGE)

Tomsk Polytechnic University

Oxidation of Galleum Selenide

Caption

Raman spectrum of 8 L GaSe taken at two different times during time evolution map. (a) Red dashed line is drawn as the guide for the eye. The constant intensity ratio of of ${{{A}}^{1}}_{1{\rm{g}}}$ and a-Se peaks indicates that oxidation stops approximately after 16 500 s. Thickness dependent Raman spectrum of GaSe for oxidation investigation. (b) Each spectrum was taken with 700 s × 3 of accumulation time.

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Tomsk Polytechnic University

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