Ground and Excited States of an Icosahed
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M. Fujimori; K. Kimura
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Article
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1997
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Elsevier Science
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English
⚖ 306 KB
From many experimental studies, a localized intrinsic acceptor level is assumed to exist at about 0.2 eV above the valence band edge in -rhombohedral boron. The acceptor level has been tentatively originated from the unoccupied intracluster bonding level split away from the valence band due to the d