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Type: Artigo de periódico
Title: Effects Of Hydrostatic Pressure On The Electron [formula: See Text] Factor And G-factor Anisotropy In Gaas-(ga, Al)as Quantum Wells Under Magnetic Fields.
Author: Porras-Montenegro, N
Duque, C A
Reyes-Gómez, E
Oliveira, L E
Abstract: The hydrostatic-pressure effects on the electron-effective Landé [Formula: see text] factor and g-factor anisotropy in semiconductor GaAs-Ga(1-x)Al(x)As quantum wells under magnetic fields are studied. The [Formula: see text] factor is computed by considering the non-parabolicity and anisotropy of the conduction band through the Ogg-McCombe effective Hamiltonian, and numerical results are displayed as functions of the applied hydrostatic pressure, magnetic fields, and quantum-well widths. Good agreement between theoretical results and experimental measurements in GaAs-(Ga, Al)As quantum wells for the electron g factor and g-factor anisotropy at low values of the applied magnetic field and in the absence of hydrostatic pressure is obtained. Present results open up new possibilities for manipulating the electron-effective g factor in semiconductor heterostructures.
Rights: fechado
Identifier DOI: 10.1088/0953-8984/20/46/465220
Date Issue: 2008
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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