Surface acoustic wave mediated exciton dissociation in a ZnCdSe/LiNbO3 hybrid

被引：8
|
作者：
Fuhrmann, D. A. [1 ,2 ]
Wixforth, A. [1 ,2 ]
Curran, A. [3 ]
Morrod, J. K. [3 ]
Prior, K. A. [3 ]
Warburton, R. J. [2 ,3 ]
Ebbecke, J. [2 ,4 ]
机构：
[1] Univ Augsburg, Inst Phys, D-86159 Augsburg, Germany
[2] Ctr NanoSci CeNS, D-80539 Munich, Germany
[3] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
[4] Univ So Denmark, Mads Clausen Inst, NanoSYD, DK-6400 Sonderborg, Denmark
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 19期
基金：
英国工程与自然科学研究理事会;
关键词：
acousto-optical effects; cadmium compounds; excitons; II-VI semiconductors; photoluminescence; piezoelectric materials; semiconductor epitaxial layers; semiconductor quantum wells; surface acoustic waves; zinc compounds; QUANTUM-WELLS; PHOTOLUMINESCENCE;
D O I：
10.1063/1.3136862
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
By making use of epitaxial lift-off, ZnCdSe quantum wells are transferred onto a LiNbO3 substrate in order to employ its enhanced piezoelectric properties. The photoluminescence emission of this hybrid structure is characterized and the influence of a surface acoustic wave on the free exciton and bound exciton emission is investigated. Finally, two counterpropagating surface acoustic waves are launched leading to a decrease in the acoustic wave mediated exciton dissociation.
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页数：3
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