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Your search keyword '"Hellmann, R."' showing total 2 results
Start Over Author "Hellmann, R." Topic photoluminescence
2 results on '"Hellmann, R."'

1. Time resolved photoluminescence studies of perpendicular transport in CdTe/Cd1-xMnxTe short-period superlattices.

Author

Hellmann, R., Pohlmann, A., Göbel, E. O., Yakovlev, D. R., Waag, A., Bicknell-Tassius, R. N., and Landwehr, G.

Subjects
*PHOTOLUMINESCENCE, *SUPERLATTICES, *CADMIUM compounds, *QUANTUM wells
Abstract

Discusses present time-resolved photoluminescence studies of perpendicular transport and the subsequent capture of photoexcited carriers in II-VI semiconductor superlattices. Use of a cadmium telluride quantum well; Overview of Bloch-type perpendicular transport in electron and heavy-hole minibands; Temporal characteristics of the collection process.

Published
1993
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2. Exciton lifetimes in CdTe/CdMnTe single quantum wells.

Author

Polhmann, A. and Hellmann, R.

Subjects
*EXCITON theory, *QUANTUM wells, *PHOTOLUMINESCENCE
Abstract

Examines exciton lifetimes in CdTe/CdMnTe single quantum wells (SQW) using time-resolved photoluminescence. Details on the order of exciton lifetimes; Dependence of lifetimes on well thickness; Comparison with high quality GaAs/AlGaAs SQW yields.

Published
1992
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