Analysis of temperature behavior of polarized photoluminescence in ordered GaInP layer (Articolo in rivista)

Type
Label
  • Analysis of temperature behavior of polarized photoluminescence in ordered GaInP layer (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Prutskij T.; Pelosi C.; Brito-Orta R. (2009)
    Analysis of temperature behavior of polarized photoluminescence in ordered GaInP layer
    in Journal of applied physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Prutskij T.; Pelosi C.; Brito-Orta R. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 105 (literal)
Rivista
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  • In: Journal of Applied Physics, vol. 105 (1) article n. 013539. AIP, 2009. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Instituto de Ciencias, BUAP, Puebla, Mexico, CNR-IMEM, Parma, Instituto de Ciencias, BUAP, Puebla, Mexico and CNR-IMEM, Parma (literal)
Titolo
  • Analysis of temperature behavior of polarized photoluminescence in ordered GaInP layer (literal)
Abstract
  • We compare measured and calculated polarization-angle dependences of the intensity of the photoluminescence (PL) emission from a GaInP2 epitaxial layer grown by metalorganic vapor phase epitaxy and analyze the change in the strain within the crystal lattice of the layer. We measured the polarization-angle dependences of the PL emission propagating along the [110] direction at different temperatures. Symmetry considerations were used to calculate the polarization-angle dependences of the relative intensity of the PL emission. At room temperature, this dependence shows that the layers have almost no strain. At temperatures near 70 K, we observed changes in the polarized PL pattern induced by the thermal strain due to the differences between the thermal expansion coefficients of the layer and the substrate. At 10 K, this dependence changed drastically showing the presence of a different recombination process, which is consistent with the S-shaped temperature dependence of the PL emission peak maximum. Comparing the experimental and calculated PL polarization-angle dependences obtained at different temperatures, we estimate the amount of crystal lattice biaxial strain. (literal)
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