Comparative Study of Auger-Free Luminescence and Valence-Band Photoemission in Wide-Gap Materials
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概要
- 論文の詳細を見る
The line shape of Auger-free luminescence (AFL), caused by radiative recombination of holes in the outermost-core band with valence electrons, has been studied for CsCl, CsBr and BaF2 in comparison to photoelectron spectra of the valence bands. It is confirmed that the main part of AFL locates on the low-energy side of the valence-band region estimated from the maximum of the outermost-core band in the photoelectron spectra. Furthermore, its low-energy tail extends by approximately 0.5–1.0 eV below the minimum of the valence band. These results clearly indicate that the core hole induces considerable lattice distortion around itself, which is kept well during the radiative transition. The line shape of AFL is favorably explained in terms of an energy-band picture in which the lattice relaxation is taken into account in principle.
- Physical Society of Japanの論文
- 2001-11-15
著者
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Itoh Minoru
Department Of Animal Husbandry Faculty Of Agriculture Tohoku University:(present Adress) National In
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Kamada Masao
Uvsor Facility For Molecular Science
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Itoh Minoru
Department of Electrical and Electronic Engineering, Faculty of Engineering,
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