Optical spectroscopy on buried CdTe/Cd(Mn,Mg)Te single quantum dots

被引：0
|
作者：
Bacher, G [1 ]
Welsch, MK [1 ]
McDonald, A [1 ]
Kümmell, T [1 ]
Forchel, A [1 ]
König, B [1 ]
Becker, C [1 ]
Ossau, W [1 ]
Landwehr, G [1 ]
机构：
[1] Univ Wurzburg, D-97074 Wurzburg, Germany
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2000年 / 178卷 / 01期
关键词：
D O I：
10.1002/1521-396X(200003)178:1<359::AID-PSSA359>3.0.CO;2-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Focused ion beam lithography and subsequent thermal annealing is used to prepare buried CdTe/ Cd(Mg,Mn)Te single dots. A well defined lateral potential with a depth of more than 220 meV is achieved, thus exceeding the thermal energy kT at room temperature significantly. The high quantum efficiency of the dots allows the investigation of single excitons as well as multiexcitons in the same single quantum dot.
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页码：359 / 363
页数：5
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