Time-resolved photoluminescence of type-I and type-II (GaIn)As Ga(NAs) heterostructures

K. Hantke, J. D. Heber, C. Schlichenmaier, A. Thränhardt, T. Meier, B. Kunert, K. Volz, W. Stolz, Stephan W Koch, W. W. Rühle

Research output: Contribution to journalArticle

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Abstract

A set of (Ga0.77 In0.23) As Ga (Nx As1-x) heterostructures is studied by time-resolved photoluminescence. Four samples with nitrogen concentrations from x=0.48% up to x=2.2% are investigated at different temperatures and with different excitation densities. The experiments suggest that the heterostructure band offset is type I for x=0.48% and type II for x=2.2%. The situation is more complex for x=0.72% and x=1.25%, since these samples are close to the transition from type I to type II. The experimental findings are analyzed using a detailed microscopic theory. Numerical calculations describe the measured data well. In particular, the interpretation of the experimental results concerning the band alignment is confirmed by the theoretical analysis.

Original languageEnglish (US)
Article number165320
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume71
Issue number16
DOIs
StatePublished - 2005
Externally publishedYes

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Heterojunctions
Photoluminescence
photoluminescence
Nitrogen
alignment
nitrogen
excitation
Experiments
Temperature
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Hantke, K., Heber, J. D., Schlichenmaier, C., Thränhardt, A., Meier, T., Kunert, B., ... Rühle, W. W. (2005). Time-resolved photoluminescence of type-I and type-II (GaIn)As Ga(NAs) heterostructures. Physical Review B - Condensed Matter and Materials Physics, 71(16), [165320]. https://doi.org/10.1103/PhysRevB.71.165320

Time-resolved photoluminescence of type-I and type-II (GaIn)As Ga(NAs) heterostructures. / Hantke, K.; Heber, J. D.; Schlichenmaier, C.; Thränhardt, A.; Meier, T.; Kunert, B.; Volz, K.; Stolz, W.; Koch, Stephan W; Rühle, W. W.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 71, No. 16, 165320, 2005.

Research output: Contribution to journalArticle

Hantke, K, Heber, JD, Schlichenmaier, C, Thränhardt, A, Meier, T, Kunert, B, Volz, K, Stolz, W, Koch, SW & Rühle, WW 2005, 'Time-resolved photoluminescence of type-I and type-II (GaIn)As Ga(NAs) heterostructures', Physical Review B - Condensed Matter and Materials Physics, vol. 71, no. 16, 165320. https://doi.org/10.1103/PhysRevB.71.165320
Hantke, K. ; Heber, J. D. ; Schlichenmaier, C. ; Thränhardt, A. ; Meier, T. ; Kunert, B. ; Volz, K. ; Stolz, W. ; Koch, Stephan W ; Rühle, W. W. / Time-resolved photoluminescence of type-I and type-II (GaIn)As Ga(NAs) heterostructures. In: Physical Review B - Condensed Matter and Materials Physics. 2005 ; Vol. 71, No. 16.
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AU - Thränhardt, A.

AU - Meier, T.

AU - Kunert, B.

AU - Volz, K.

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AU - Koch, Stephan W

AU - Rühle, W. W.

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