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首页> 外文会议>NATO Advanced Research Workshop on Optical Properties of Semiconductor Nanostructures Jaszowiec, Poland 12-16 June 1999 >Semimagnetic seiconductors in studies of charged excitons
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Semimagnetic seiconductors in studies of charged excitons

机译：带电激子研究中的半磁性半导体

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摘要

Negatively or positively charged excitons in semiconductors, also known as trions, were studied theoretically by Lampert [1] already in the fifties. However, the first experimental observation of charged excitons by Kheng et al.[2] in modulation n-doped CdTe/CdZnTe multiple quantum wells (MQWs) occurred more than thirty years later. Formation of an experimentally detectable complex by three carriers was made possible due tot he enhancement of their mutual interaction by confining them in a quantum well. The observation of Kheng et al. was rapidly followed by experimental evidence for negatively and positively charged excitons in III-V and II-VI semiconductor quantum structures [3-5].
机译：Lampert [1]在五十年代已经对半导体中带负电荷或正电荷的激子进行了理论研究。然而，Kheng等人[2]首次对带电激子进行了实验观察。在调制中，n掺杂的CdTe / CdZnTe的量子阱（MQW）发生了三十多年。通过将三个载流子限制在量子阱中来增强它们之间的相互作用，使得由三个载流子形成实验可检测的络合物成为可能。 Kheng等人的观察。紧随其后的是实验证据，证明了III-V和II-VI半导体量子结构中带负电荷和正电荷的激子[3-5]。

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