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Journal ArticleDOI

One‐dimensional hot‐electron transport in quantum‐well wires of polar semiconductors

Aniruddha Ghosal, +2 more
- 01 Apr 1986 - 
- Vol. 59, Iss: 7, pp 2511-2513
TLDR
In this article, the velocity field characteristics of hot electrons moving one dimensionally in the lowest subband of a polar semiconductor quantum-well wire are obtained on a drifted Maxwellian model and also by the Monte Carlo technique.
Abstract
The velocity‐field characteristics of hot electrons moving one dimensionally in the lowest subband of a polar semiconductor quantum‐well wire are obtained on a drifted Maxwellian model and also by the Monte Carlo technique. No negative differential resistance is obtained in contradiction to a previous prediction. The size effects at low temperatures are found to be more significant in the drifted Maxwellian model. Our calculations show that the one‐dimensional (1‐D) mobility for large transverse widths may be higher than the 3‐D mobility.

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Citations
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Journal ArticleDOI

Resonant inter-subband optic phonon scattering in quasi-one dimensional structures

TL;DR: In this article, the transport properties of multi-subband quasi-one dimensional (1-D) structures are investigated with Monte-Carlo simulation, where confinement conditions are varied to produce Resonant Inter-Subband (polar) Optic Phonon Scattering (RISOPS) during the transport process.
Journal ArticleDOI

Theory of polar‐optical‐phonon scattering in a semiconductor quantum wire

TL;DR: In this paper, the scattering rates of electrons due to the interaction with the polar-optical phonons in a quasi-one-dimensional semiconductor quantum wire were studied theoretically using a simple cylindrical wire model.
Journal ArticleDOI

Energy‐ and momentum‐loss rates of one‐dimensional hot electrons in semiconductor quantum‐well wires

TL;DR: In this paper, the energy and momentum loss rates of degenerate hot electrons moving one-dimensionally in a quantum-well wire structure of square cross section of side length L are calculated theoretically considering polar coupling to longitudinal-optic (LO) phonons and deformation potential and piezoelectric couplings to acoustic phonons.
Journal ArticleDOI

Ensemble Monte Carlo simulation for electron transport in quantum wire structures

TL;DR: In this paper, an ensemble Monte Carlo simulation is performed for the GaAs oriented square well wire, where the model considers the infinite potential approximation as well as the extreme confinement limit, i.e., one-dimensional subbands are formed in the L and X valleys, and diffusion increases in the Γ valley.
Journal ArticleDOI

The cooling rate of one-dimensional hot electrons in quantum well wires of polar semiconductors

TL;DR: In this article, the energy-loss rate of degenerate hot electrons itinerant one-dimensionally in a quantum well wire structure of square cross section and of side length L is studied theoretically.
References
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Journal ArticleDOI

Monte Carlo determination of electron transport properties in gallium arsenide

TL;DR: In this article, a Monte Carlo technique was used to calculate the electron distribution functions in the (000) and (100) valleys of gallium arsenide, and the structure of the distribution function was interpreted in terms of the energy dependence of the scattering processes, particular reference being made to the prediction of a population inversion for fields in excess of about 10 kV cm.
Journal ArticleDOI

Scattering Suppression and High-Mobility Effect of Size-Quantized Electrons in Ultrafine Semiconductor Wire Structures

TL;DR: In this paper, the transport properties of electrons confined in ultrafine wire structures are studied theoretically and the scattering probability of such size-quantized electrons is calculated for Coulomb potential and is shown to be suppressed drastically because of the one-dimensional nature of the electronic motion in the wire.
Journal ArticleDOI

The electron-phonon interaction in quasi-two-dimensional semiconductor quantum-well structures

TL;DR: In this paper, a momentum-conservation approximation was obtained for the scattering rates and momentum-relaxation rates of an electron in a quasi-two-dimensional quantum well interacting with acoustic, optical and intervalley modes via deformation potential and with longitudinal optical modes via the polar interaction.
Journal ArticleDOI

Toward quantum well wires: Fabrication and optical properties

TL;DR: In this article, a defect-free GaAs quantum well wires (QWW) with submicron dimensions using molecular beam epitaxy of GaAs and Ga1−xAlxAs were fabricated.
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