Investigation of the strain layers in multiple quantum wells by magnetophonon resonance

G. Tomaka; Eugen M. Sheregii; J. Cebulski; W. Sciuk; Wlodzimierz Strupinski; Lech Dobrzanski

doi:10.1117/12.425440

17 April 2001 Investigation of the strain layers in multiple quantum wells by magnetophonon resonance

G. Tomaka, Eugen M. Sheregii, J. Cebulski, W. Sciuk, Wlodzimierz Strupinski, Lech Dobrzanski

Proceedings Volume 4413, International Conference on Solid State Crystals 2000: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology; (2001) https://doi.org/10.1117/12.425440
Event: International Conference on Solid State Crystals 2000, 2000, Zakopane, Poland

Abstract

Magnetophonon Resonance in parallel transport of three types of Multiple Quantum Wells was studied. They consisted of ten QW of GaAs and ten AlGaAs barriers, and were obtained by the Metal Organic Vapor Deposition an semi-insulating GaAs. The MPR research were performed in pulsed magnetic fields up to 30 T. The transverse magneto resistance was measured between 77K and 340K and the MPR oscillations extracted by subtracting a voltage linear in magnetic field. The oscillating part of magneto resistance (Delta) (rho) _xx was recorded. A fine structure of MPR peaks was observed. This effect could be attributed to two phenomena: contribution of barrier phonons and influence of thermostresses.

Citation Download Citation

G. Tomaka, Eugen M. Sheregii, J. Cebulski, W. Sciuk, Wlodzimierz Strupinski, and Lech Dobrzanski "Investigation of the strain layers in multiple quantum wells by magnetophonon resonance", Proc. SPIE 4413, International Conference on Solid State Crystals 2000: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology, (17 April 2001); https://doi.org/10.1117/12.425440

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