Energy loss rate of two-dimensional electron gas in GaInAs/AlInAs, InSb/AlInSb and GaSb/AlGaAsSb heterostructures

Kubakaddi, S. S.; Suresha, Kasala; Mulimani, B. G.

doi:10.1016/s1386-9477(03)00227-3

Cited by 4 publications

(3 citation statements)

References 26 publications

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“…In the temperature region we considered here indicates that acoustic deformation potential scattering mechanism is dominant mechanism compared to piezoelectric scattering mechanism. The same dominant mechanism was also observed in 2D GaAs, GaN, GaInAs quantum wells [17][18][19]. In the acoustic deformation potential scattering mechanism, the only adjustable parameter is the deformation potential constant E d .…”

Section: IIsupporting

confidence: 60%

“…In both the scattering mechanisms, we incorporated dynamical screening effect. The inclusion of dynamical screening effect reduces the energy loss rate an order of magnitude [17,18]. Figure 2 shows the variation of energy loss rate with quantum well width in the acoustic deformation potential scattering with a deformation potential constant E d = 12.0 eV, at T e =10.0K and carrier concentration N s =1.0x10 13 m -2 .…”

Section: IImentioning

confidence: 99%

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Hot Electron Transport in Two-dimensional SiGe/Si Quantum Wells

Suresha¹

2023

IJRASET

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The hot carrier energy loss rate in a two-dimensioal electron gas in SiGe/Si quantum well has been theoretically studied and carrier concentration ranging from 1.0x1012 to 5.0x1014 m-2. The energy loss rate in this highly non-parabolic system is dominated by acoustic deformation potential scattering, whereas the acoustic piezoelectric scattering is negligible. We also studied variation of energy loss rate with thickness of various quantum wells

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Section: IIsupporting

confidence: 60%

Section: IImentioning

confidence: 99%

Hot Electron Transport in Two-dimensional SiGe/Si Quantum Wells

Suresha¹

2023

IJRASET

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“…Hot-electrons relax to lower temperature via acoustic phonon emission. There are numerous experimental and theoretical studies [39][40][41][42][43][44][45][46][47][48][49] on the hot-electron energy-loss rate of a 2DES without RSOI.…”

Section: Introductionmentioning

confidence: 99%

Phonon-drag thermopower and hot-electron energy-loss rate in a Rashba spin–orbit coupled two-dimensional electron system

Biswas

Ghosh

2013

J. Phys.: Condens. Matter

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We theoretically study phonon-drag contribution to the thermoelectric power and hot-electron energy-loss rate in a Rashba spin-orbit coupled two-dimensional electron system in the BlochGruneisen (BG) regime. We assume that electrons interact with longitudinal acoustic phonons through deformation potential and with both longitudinal and transverse acoustic phonons through piezoelectric potential. Effect of the Rashba spin-orbit interaction on magnitude and temperature dependence of the phonon-drag thermoelectric power and hot-electron energy-loss rate are discussed. We numerically extract the exponent of temperature dependence of the phonon-drag thermopower and the energy-loss rate. We find the exponents are suppressed due to the presence of the Rashba spin-orbit coupling.

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