Core Absorption Spectra of SnTe and PbTe in Crystalline and Amorphous Phases

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概要

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• Absorption spectra of polycrystalline and amorphous thin films of SnTe and PbTehave been measured around the Sn 4d, Pb 5d and Te 4d absorption edges and totalphotoelectron yield spectra of p- and n-type SnTe polycrystals, around the Te 4d ab-sorption edge. In both phases, the Sn 4d and Pb 5d absorptions show doublet peaksdue to the excitonic transitions, while the Te 4d absc>rption shows broad structuresreflecting the density of states of the conduction b??nd. The doublet peaks in thecrystalline phases are explained in an atornic picture, A small peak found below thebroad structures of the Te 4d absorption in c-SnTe thin films and 7t-SnTepolycrystals, is attributed to the transition from the Te 4d level to the hole statelocated near the top of the valence band.[SnTe, PbTe,amorj>hous, core exciton,density of slate, degenerate semiconduc- l] for, baxtd structurel

• 社団法人日本物理学会の論文
• 1992-06-15

著者

• Fukui Kazutoshi

  Department Of Applied Physics Fukui University

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• UV Photoemission Studies on PbTe, SnTe and GeTe in Polycrystalline and Amorphous Phases
• Superconducting Properties of InN with Low Carrier Density near the Mott Transition
• Core Absorption Spectra of SnTe and PbTe in Crystalline and Amorphous Phases

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