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Optically detected magnetic resonance of excitons and carriers in GaAsAlAs superlattices

✍ Scribed by P.G. Baranov; P. Lavallard; R. Planel; N.G. Romanov

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
317 KB
Volume
12
Category
Article
ISSN
0749-6036

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✦ Synopsis

Optically detected magnetic resonance (ODMR) of electrons, holes and heavy-hole-excitons has been studied in GaAs/AlAs superlattices in the range of periods from 22 A to 75 A. The spectral dependence of the ODMR and of the exciton level anticrossing signals have been measured. The variation of the exchange splitting within the exciton emission line has been observed.

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## Abstract Optically detected magnetic resonance (ODMR) due to ESR of Mn in Zn~1βˆ’__x__~Mn~__x__~Te is observed. The resonance is displayed in reconstruction of recombination spectra of free exciton, exciton bound to a neutral acceptor, and donor‐acceptor pairs in magnetic field. Two cases are trea