Determination of the direct band-gap energy of InAlAs matched to InP by photoluminescence excitation spectroscopy

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dc.contributor.author Roura Grabulosa, Pere
dc.contributor.author López-de Miguel, Manel
dc.contributor.author Cornet i Calveras, Albert
dc.contributor.author Morante i Lleonart, Joan R.
dc.date.issued 1997-05
dc.identifier.citation Roura, P., López-de Miguel, M., Cornet, A., i Morante, J. R. (1997). Determination of the direct band-gap energy of InAlAs matched to InP by photoluminescence excitation spectroscopy. Journal of Applied Physics, 81 (10), 6916 - 6920. Recuperat 28 setembre 2010, a http://jap.aip.org/resource/1/japiau/v81/i10/p6916_s1
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/10256/3048
dc.description.abstract A series of InxAl1-xAs samples (0.51≪x≪0.55)coherently grown on InP was studied in order to measure the band-gap energy of the lattice matched composition. As the substrate is opaque to the relevant photon energies, a method is developed to calculate the optical absorption coefficient from the photoluminescence excitation spectra. The effect of strain on the band-gap energy has been taken into account. For x=0.532, at 14 K we have obtained Eg0=1549±6 meV
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher American Institute of Physics
dc.relation.isformatof Reproducció digital del document publicat a: http://dx.doi.org/10.1063/1.365253
dc.relation.ispartof © Journal of Applied Physics, 1997, vol. 81, núm. 10, p. 6916-6920
dc.relation.ispartofseries Articles publicats (D-F)
dc.rights Tots els drets reservats
dc.subject Compostos d'alumini
dc.subject Compostos d'indi
dc.subject Fotoluminescència
dc.subject Semiconductors
dc.subject Aluminum compounds
dc.subject Indium compounds
dc.subject Photoluminescence
dc.title Determination of the direct band-gap energy of InAlAs matched to InP by photoluminescence excitation spectroscopy
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1063/1.365253


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