Journal
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volume 87, Issue -, Pages 237-241Publisher
ELSEVIER
DOI: 10.1016/j.physe.2016.10.024
Keywords
Quantum wire; Acoustic phonons; Energy loss; Low temperature
Funding
- University Grants Commission, New Delhi [P1/Rs/260/15]
- Department of Science and Technology, Government of India, New Delhi [EMR/2014/000389]
- Department of Science and Technology, Govt. of India [IF 150751]
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The theory of rate of loss of energy of non-equilibrium electrons due to inelastic interaction with the intravalley acoustic phonons in a nano-dimensional semiconductor wire has been developed under the condition of low lattice temperature, when the approximations of the well known traditional theory are not valid. Numerical results are obtained for narrow-channel GaAs-GaAlAs wires structures. On comparison with other available results it is revealed that the finite energy of the intravalley acoustic phonons and, the use of the full form of the phonon distribution without truncation to the equipartition law, produce significant changes in the energy loss characteristics at low temperatures.
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