Donor-related optical absorption spectra for a GaAs-Ga0.7Al0.3As double quantum well under hydrostatic pressure and applied electric field effects



Título del documento: Donor-related optical absorption spectra for a GaAs-Ga0.7Al0.3As double quantum well under hydrostatic pressure and applied electric field effects
Revista: Brazilian journal of physics
Base de datos: PERIÓDICA
Número de sistema: 000310487
ISSN: 0103-9733
Autores: 1

Instituciones: 1Universidad de Antioquia, Instituto de Física, Medellín, Antioquia. Colombia
Año:
Periodo: Sep
Volumen: 36
Número: 3B
Paginación: 862-865
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés The hydrostatic-pressure and applied electric field dependencies of the binding energy and the optical-absorption spectra, associated with transitions between the n = 1 valence subband and the donor-impurity band, in symmetrical and asymmetrical GaAs-Ga1-xAl xAs double quantum-well structures are calculated using a variational procedure within the effective-mass approximation. Results are obtained for different well and barrier widths, shallow-donor impurity positions, hydrostatic pressure, and applied electric field
Disciplinas: Física y astronomía
Palabras clave: Física de partículas y campos cuánticos,
Campo eléctrico,
Presión hidrostática,
Pozos cuánticos,
Espectro de absorción
Keyword: Physics and astronomy,
Particle physics and quantum fields,
Electric field,
Hydrostatic pressure,
Quantum wells,
Absorption spectra
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