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Temperature stabili...
Temperature stability of intersubband transitions in AlN/GaN quantum wells
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- Berland, Kristian, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Stattin, Martin, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Farivar, Rashid, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sultan, D. M. S. (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hyldgaard, Per, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Larsson, Anders, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wang, Shu Min, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson, Thorvald, 1946 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- AIP Publishing, 2010
- 2010
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 97:4, s. 043507-
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Abstract
Subject headings
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- Temperature dependence of intersubband transitions in AlN/GaN multiple quantum wells grown with molecular beam epitaxy is investigated both by absorption studies at different temperatures and modeling of conduction-band electrons. For the absorption study, the sample is heated in increments up to 400 degrees C. The self-consistent Schroumldinger-Poisson modeling includes temperature effects of the band gap and the influence of thermal expansion on the piezoelectric field. We find that the intersubband absorption energy decreases only by similar to 6 meV at 400 degrees C relative to its room temperature value.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Poisson equation
- piezoelectricity
- thermal expansion
- Schrodinger equation
- photoluminescence
- semiconductor quantum wells
- gallium compounds
- molecular beam epitaxial growth
- semiconductor heterojunctions
- conduction bands
- heat treatment
- SCF calculations
- III-V semiconductors
- aluminium compounds
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Berland, Kristia ...
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Stattin, Martin, ...
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Farivar, Rashid, ...
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Sultan, D. M. S.
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Hyldgaard, Per, ...
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Larsson, Anders, ...
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show more...
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Wang, Shu Min, 1 ...
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Andersson, Thorv ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Other Materials ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Applied Physics ...
- By the university
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Chalmers University of Technology