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Effects of thermal annealing on the band gap of GaInAsSb
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10.1063/1.1900946
/content/aip/journal/apl/86/15/10.1063/1.1900946
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/15/10.1063/1.1900946

Figures

Image of FIG. 1.
FIG. 1.

Energy shift for a GaInAsSb bulk sample as measured by photoluminescence at . The sample was annealed for at (dotted line). A blueshift of and a strong increase in intensity was found, but no significant change in the FWHM.

Image of FIG. 2.
FIG. 2.

Blueshift for a GaInAsSb MQW sample as measured by photoluminescence at , if annealing time and temperature were changed. The sample was grown at .

Image of FIG. 3.
FIG. 3.

Blueshift for an annealed GaInAsSb MQW structure as measured by photoluminescence at . An almost linear behavior of the wavelength shift with temperature can be seen. The open circle refers to the unannealed sample. All samples were annealed for .

Image of FIG. 4.
FIG. 4.

FWHM for a GaInAsSb MQW structure determined by photoluminescence at . The samples were annealed for . The unannealed sample is referred to the open circle. The FWHM increases to a value of about between 450 and . If annealed at more than , the FWHM drops to the unannealed value or below. The error bars result from different measurements on the same sample.

Tables

Generic image for table
Table I.

Blueshift for GaInAsSb MWQ samples as measured by photoluminescence at . All samples were annealed for 2 at . The full width at half maximum (FWHM) is given before (1) and after annealing (2), respectively.

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/content/aip/journal/apl/86/15/10.1063/1.1900946
2005-04-08
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of thermal annealing on the band gap of GaInAsSb
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/15/10.1063/1.1900946
10.1063/1.1900946
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