Phonon properties of β-FeSi 2 and photoluminescence
作者： Y. Maeda , T. Nakajima , B. Matsukura , T. Ikeda , Y. Hiraiwa
DOI: 10.1016/J.PHPRO.2011.01.007
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摘要: Abstract We have investigated phonon properties of some β - FeSi 2 crystals with characteristic light emission by using measurements far-infrared absorption and photoluminescence in order to discuss a correlation between them. It has been found that there is systematic states efficiency the phonons above energy more than ∼44 meV may be effectively coupled optical indirect transition for IR from crystals.
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