dor_id: 4106970

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100.1.#.a: Díaz Reyes, J.; Galván Arellano, M.; Mendoza Alvarez, J. G.; Arias Cerón, J. S.; Herrera Pérez, J. L.; López Cruz.

524.#.#.a: Díaz Reyes, J., et al. (2017). Characterization of highly doped Ga0.86 In0.14As0.13Sb0.87 grown by liquid phase epitaxy. Revista Mexicana de Física; Vol 63, No 1 Jan-Feb: 55-0. Recuperado de https://repositorio.unam.mx/contenidos/4106970

245.1.0.a: Characterization of highly doped Ga0.86 In0.14As0.13Sb0.87 grown by liquid phase epitaxy

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2017

264.#.1.c: 2017-01-01

653.#.#.a: GaInAsSb semiconductors; Liquid phase epitaxy growth; Photoluminescence spectroscopy; Raman

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041.#.7.h: eng

520.3.#.a: Ga 0.86 In 0.14 As 0.13 Sb 0.87layers lattice-matched to (100) Te-GaSb have been grown using the liquid phase epitaxy technique under supercooling conditions. N and p type layers were grown by adding tellurium or zinc in a wide range of molar fraction in the growth solution. By Raman spectroscopy, the structural quality of the epilayers was characterized. The Raman spectra show that the layers become more defective as the dopant molar fraction is increased, n- or p-type. Two main bands are observed in the Raman spectra centered at 230 and 245simcm-1that depend strongly on the incorporated dopant molar concentration (Te or Zn), which are assigned to the observed vibrational modes of GaAs-like and (GaSb+InAs)-like mixture. The low-temperature photoluminescence of n (or p)-type GaInAsSb was measured as function of dopant concentration added to the melt solution. The photoluminescence spectra were interpreted taking into account the nonparabolicity of the conduction (or valence) band. Both the band filled as well as band tailing effects due to Coulomb interaction of free carriers with ionized impurities and shrinkage due to exchange interaction between free carriers were considered in order to properly be taken into account for the observed features of the photoluminescence spectra. It is shown that the band-to-band transition energy can be used to estimate the free carrier concentration in GaInAsSb for a wide range of dopant concentration.

773.1.#.t: Revista Mexicana de Física; Vol 63, No 1 Jan-Feb (2017): 55-0

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Artículo

Characterization of highly doped Ga0.86 In0.14As0.13Sb0.87 grown by liquid phase epitaxy

Díaz Reyes, J.; Galván Arellano, M.; Mendoza Alvarez, J. G.; Arias Cerón, J. S.; Herrera Pérez, J. L.; López Cruz.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Díaz Reyes, J., et al. (2017). Characterization of highly doped Ga0.86 In0.14As0.13Sb0.87 grown by liquid phase epitaxy. Revista Mexicana de Física; Vol 63, No 1 Jan-Feb: 55-0. Recuperado de https://repositorio.unam.mx/contenidos/4106970

Descripción del recurso

Autor(es)
Díaz Reyes, J.; Galván Arellano, M.; Mendoza Alvarez, J. G.; Arias Cerón, J. S.; Herrera Pérez, J. L.; López Cruz.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Characterization of highly doped Ga0.86 In0.14As0.13Sb0.87 grown by liquid phase epitaxy
Fecha
2017-01-01
Resumen
Ga 0.86 In 0.14 As 0.13 Sb 0.87layers lattice-matched to (100) Te-GaSb have been grown using the liquid phase epitaxy technique under supercooling conditions. N and p type layers were grown by adding tellurium or zinc in a wide range of molar fraction in the growth solution. By Raman spectroscopy, the structural quality of the epilayers was characterized. The Raman spectra show that the layers become more defective as the dopant molar fraction is increased, n- or p-type. Two main bands are observed in the Raman spectra centered at 230 and 245simcm-1that depend strongly on the incorporated dopant molar concentration (Te or Zn), which are assigned to the observed vibrational modes of GaAs-like and (GaSb+InAs)-like mixture. The low-temperature photoluminescence of n (or p)-type GaInAsSb was measured as function of dopant concentration added to the melt solution. The photoluminescence spectra were interpreted taking into account the nonparabolicity of the conduction (or valence) band. Both the band filled as well as band tailing effects due to Coulomb interaction of free carriers with ionized impurities and shrinkage due to exchange interaction between free carriers were considered in order to properly be taken into account for the observed features of the photoluminescence spectra. It is shown that the band-to-band transition energy can be used to estimate the free carrier concentration in GaInAsSb for a wide range of dopant concentration.
Tema
GaInAsSb semiconductors; Liquid phase epitaxy growth; Photoluminescence spectroscopy; Raman
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

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