Investigation of the electron-phonon interaction in structures InAs/AlSb in quantization magnetic fields regime
Abstract
Study of transverse magnetoresistance oscillations ρxx(B) were performed for InAs/AlSb samples with different doping level at temperatures T=(4÷28)К. Based on test of magnetic field dependence amplitude ρxx(B) the formation dynamic of Landau quantization destruction was established. The components of the electron-electron and the electron-phonon interactions were marked out and the relaxation time τq(τee, τe−ph) evaluated. On the base of physical model of electron interaction the role of electron-phonon relaxation was revealed as a factor, which stabilize the process of Landau quantization destruction. Experimental nonlinear dependence τq(T) is explained by electron scattering on piezoelectric and deformation potential of acoustic phonons and channels competition inter-(intra-) subband scattering. Parametric dependence of quantum relaxation time from magnetic field τq ∝ B−0.6 was established.
About the Authors
M. M. Afanasova
Ryazan State university named by S.A. Esenin
Russian Federation
Russian Federation
Afanasova Marina, senior staff scientist, doctor of physico-mathematical Sciences
390013, Ryazan, Dimitrova 3/2, 7
8(4912)983917
8(4912)280586
89109047199
V. A. Stepanov
Ryazan State university named by S.A. Esenin
Russian Federation
Russian Federation
Stepanov Vladimir, professor, doctor of physico-mathematical Sciences
Ryazan, Svoboda, 46
8(4912)280586
8(4912)280586
89109047199
M. A. Korgavchikov
Ryazan State university named by S.A. Esenin
Russian Federation
Russian Federation
Korgavchikov Maksim, Engineer
Ryazan, Svoboda, 46
8(4912)280586
8(4912)280586
89206317278
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Review
For citations:
Afanasova M.M., Stepanov V.A., Korgavchikov M.A. Investigation of the electron-phonon interaction in structures InAs/AlSb in quantization magnetic fields regime. Nanosystems: Physics, Chemistry, Mathematics. 2012;3(6):36-46. (In Russ.)
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