Strain‐Induced Magneto‐Optical Anisotropy in Semimagnetic Quantum‐Well Structures | Zendy

Goede O. | Zendy; Heimbrodt W. | Zendy; Köpp Th. | Zendy; Gumlich H.E. | Zendy; Lunn B. | Zendy; Ashenford D. E. | Zendy

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Strain‐Induced Magneto‐Optical Anisotropy in Semimagnetic Quantum‐Well Structures

Author(s) -

Goede O.,

Heimbrodt W.,

Köpp Th.,

Gumlich H.E.,

Lunn B.,

Ashenford D. E.

Publication year - 1991

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221660225

Subject(s) - condensed matter physics , anisotropy , exciton , magnetic field , quantum well , materials science , perpendicular , luminescence , physics , optics , optoelectronics , laser , geometry , mathematics , quantum mechanics

It is shown that the lattice‐misfit induced biaxial strain in quantum‐well structures with semimagnetic barriers leads to a significant anisotropy of the shift and splitting of the subvalence bands in the barriers by an applied magnetic field. The calculated barrier exciton energies in dependence of a magnetic field parallel or perpendicular to the sample axis are confirmed by the measured anisotropic shift of the luminescence and reflection peaks for various CdTe/(Cd, Mn)Te quantum‐well structures grown by MBE on InSb substrates. Consequences on the behaviour of the well excitons in a magnetic field are discussed.

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