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  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., et al. (2005). Time-resolved photoluminescence of type-I and type-II (GaIn)As ∕ Ga(NAs) heterostructures. Physical Review B, 71(16): 165320. doi:10.1103/PhysRevB.71.165320.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B5B9-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B5BA-E
Genre: Journal Article

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 Creators:
Hantke, Kristian1, Author              
Heber, J. D., Author
Schlichenmaier, C., Author
Thränhardt, A., Author
Meier, T., Author
Kunert, B., Author
Volz, K., Author
Stolz, W., Author
Koch, S. W., Author
Rühle, W. W., Author
Affiliations:
1Group Nonlinear laser spectroscopy, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063305              

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 Abstract: A set of (Ga0.77In0.23)As/Ga(NxAs1−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.

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Language(s): eng - English
 Dates: 2005-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevB.71.165320
BibTex Citekey: hantke_time-resolved_2005
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Title: Physical Review B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: 9 Volume / Issue: 71 (16) Sequence Number: 165320 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008