XPS measurement of valence-band offset for ZnSe/MgS

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作者：
Hokkaido Univ, Sapporo, Japan [1 ]
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Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics | 1997年 / 18卷 / 2-4期
关键词：
Energy gap - Magnesium compounds - Semiconducting zinc compounds - X ray photoelectron spectroscopy;
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摘要：
The valence-band offset of ZnSe/MgS heterojunction was examined with the X-ray photoelectron spectroscopy. It was estimated to be about 1.85 eV. On the other hand, the conduction-band offset of ZnSe/MgS heterojunction will be 0.6-0.8 eV from the optical measurement. From these results, there arises a possibility that energy gap (Eg) of MgS is 5.27-5.47 eV, much larger than 4.5 eV reported so far.
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页码：227 / 230
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