Combined exciton and trion excitations in modulation doped quantum well structures

Combined exciton and trion excitations in modulation doped quantum well structures
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DOI:
10.1016/s0921-4526(01)00326-x
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发表时间:
2001-04-01
期刊:
影响因子:
2.8
通讯作者:
Kossut, J
Kossut, J
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Ossau, W;Kochereshko, VP;Kossut, J

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研究了磁场作用下CdTe基2DEG调制掺杂量子阱结构的光致发光、光致发光激发谱和反射谱。共振线对应于组合的光学跃迁,其中激子以及trions的光生伴随着从费米能级以下的状态到费米能级以上的状态的额外的电子的激发。(C)2001 Elsevier Science B.V.保留所有权利。
Photoluminescence, photoluminescence excitation and reflectivity spectra of CdTe-based modulation-doped quantum well structures with 2DEG have been studied in magnetic fields. Resonant lines corresponding to combined optical transitions in which the photo-generation of excitons as well as trions is accompanied by the excitation of an additional electron from states below the Fermi level to states above the Fermi level were observed and analyzed. (C) 2001 Elsevier Science B.V. All rights reserved.