| 嵌埋式InP团簇光学吸收性质的研究 |
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| 引用本文： | 赵子强,韦伦存,卢希庭.嵌埋式InP团簇光学吸收性质的研究[J].物理学报,1998,47(2):214-218. |
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| 作者姓名： | 赵子强 韦伦存 卢希庭 |
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| 作者单位： | 北京大学技术物理系，重离子物理研究所，北京 100871 |
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| 基金项目： | 国家自然科学基金和核工业科学基金资助的课题. |
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| 摘 要： | 利用双束共蒸发的方法制备InP∶CaF2复合膜，InP以团簇的形式嵌埋在绝缘介质CaF2中，团簇大小可通过改变携带气压和蒸发电流来控制.样品的TEM结果表明：InP嵌埋团簇呈多晶结构，团簇尺寸10nm左右.研究了该复合膜的线性光吸收性质，半导体InP团簇表现出明显的量子效应，其吸收边随着团簇尺寸的减小发生了蓝移.
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| 关 键 词： | 半导体 嵌埋式 光学吸收 磷化铟 团簇 线性光 |
| 收稿时间： | 1997-05-23 |
OPTICAL ABSORPTION STUDY OF EMBEDDED InP CLUSTER |
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| ZHAO ZI-QIANG,WEI LUN-CUN and LU XI-TING.OPTICAL ABSORPTION STUDY OF EMBEDDED InP CLUSTER[J].Acta Physica Sinica,1998,47(2):214-218. |
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| Authors: | ZHAO ZI-QIANG WEI LUN-CUN and LU XI-TING |
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| Abstract: | By using co-evaporating semiconductor and insulator media,InP∶CaF2 films were prepared.Inp was embedded in CaF2 in the form of clusters,whose size could be controlled by gas pressure and evaporating electric current.Transmission electron micrographs showed that the structure of InP cluster was polycrystalline.And the cluster size is about 10nm.We studied linear optical absorption of this kind of films.Quantum effect was observed clearly.With decreasing cluster size,the blue shift of the absorption edge was found. |
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