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Hence, these PL bands should be caused by the electron transitions from the conduction band to the local levels in the band gap or from the local levels to the valence band, rather than the direct transitions from the conduction band to the valence band. The defects in the nanowires formed in this study would result in the formation of such local levels. СµÜ×î½ü¸Õ½Ó´¥PL¹âÆ×£¬²»ÖªµÀÉϱßÕâ¸ö local levels ÊÇʲôÒâ˼£¬Çó´óÉñ½âÊÍһϣ¬Ë³±ã¼òµ¥ËµÒ»ÏÂÉϱßÓ¢ÎĵÄÖ÷ÒªÒâ˼ ллÀ² |
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hwf0635: ½ð±Ò+4 2016-04-11 23:04:54
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