Limitation of Electron Mobility in Modulation-Doped In0:53Ga0:47As/InP Quantum Wells at Low Temperatures

Fuente: Redalyc
Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: F. M. S. Lima
Format: Artículo científico
Sprache:en
Veröffentlicht: Sociedade Brasileira de Física 2006
Schlagworte:
Online-Zugang:
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
_version_ 1876450254838038528
author F. M. S. Lima
author_facet F. M. S. Lima
contents Limitation of Electron Mobility in Modulation-Doped In0:53Ga0:47As/InP Quantum Wells at Low Temperatures F. M. S. Lima A. B. Veloso A. L. A. Fonseca O. A. C. Nunes Física, Astronomía y Matemáticas Low temperature In0:53Ga0:47As Electron mobility InP Quantum Wells The low-temperature electron mobility is investigated here for electrons confined in modulation-dopedIn0:53Ga0:47As/InP single symmetric quantum wells. The subband structure calculation is developed via variationalmethod, both Schr¨odinger and Poisson equations being solved simultaneously with adequate heterointerfacematching conditions. With this in hands, the main electron scattering rates are computed, namely alloy disorder,remote ionized impurity, and interface roughness. As a result, interesting interchanges in these scatteringrates were found by varying the well width and the spacer width, which show that some scattering mechanismscan surpass the alloy disorder scattering rate and come to limit the electron mobility, a behavior not reported inthe literature 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436335 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.2A Vol.36
format Artículo científico
id redalyc_46436335
institution Redalyc
language en
publishDate 2006
publisher Sociedade Brasileira de Física
spellingShingle Limitation of Electron Mobility in Modulation-Doped In0:53Ga0:47As/InP Quantum Wells at Low Temperatures
F. M. S. Lima
Física, Astronomía y Matemáticas
Low
temperature
In0:53Ga0:47As
Electron mobility
InP Quantum Wells
Limitation of Electron Mobility in Modulation-Doped In0:53Ga0:47As/InP Quantum Wells at Low Temperatures F. M. S. Lima A. B. Veloso A. L. A. Fonseca O. A. C. Nunes Física, Astronomía y Matemáticas Low temperature In0:53Ga0:47As Electron mobility InP Quantum Wells The low-temperature electron mobility is investigated here for electrons confined in modulation-dopedIn0:53Ga0:47As/InP single symmetric quantum wells. The subband structure calculation is developed via variationalmethod, both Schr¨odinger and Poisson equations being solved simultaneously with adequate heterointerfacematching conditions. With this in hands, the main electron scattering rates are computed, namely alloy disorder,remote ionized impurity, and interface roughness. As a result, interesting interchanges in these scatteringrates were found by varying the well width and the spacer width, which show that some scattering mechanismscan surpass the alloy disorder scattering rate and come to limit the electron mobility, a behavior not reported inthe literature 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436335 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.2A Vol.36
title Limitation of Electron Mobility in Modulation-Doped In0:53Ga0:47As/InP Quantum Wells at Low Temperatures
topic Física, Astronomía y Matemáticas
Low
temperature
In0:53Ga0:47As
Electron mobility
InP Quantum Wells
url https://www.redalyc.org/articulo.oa?id=46436335