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Optical properties ...
Optical properties of donor-triad cluster in GaAs and GaN
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- Souza De Almeida, J. (författare)
- Souza De Almeida, J., Instituto de Física, Universidade Federal da Bahia, Campus Universitário de Ondina, 40210 340 Salvador, Bahia, Brazil, Department of Physics, Condensed Matter Theory Group, Uppsala University, SE-751 21 Uppsala, Sweden
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- Da Silva, A. J. (författare)
- Da Silva, A.J., Instituto de Física, Universidade Federal da Bahia, Campus Universitário de Ondina, 40210 340 Salvador, Bahia, Brazil
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- Norman, Patrick (författare)
- Linköpings universitet,Tekniska högskolan,Beräkningsfysik
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- Persson, C. (författare)
- Department of Physics, Condensed Matter Theory Group, Uppsala University, SE-751 21 Uppsala, Sweden
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- Ahuja, R. (författare)
- Department of Physics, Condensed Matter Theory Group, Uppsala University, SE-751 21 Uppsala, Sweden
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- Ferreira Da Silva, A. (författare)
- Ferreira Da Silva, A., Instituto de Física, Universidade Federal da Bahia, Campus Universitário de Ondina, 40210 340 Salvador, Bahia, Brazil
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Souza De Almeida, J, Instituto de Física, Universidade Federal da Bahia, Campus Universitário de Ondina, 40210 340 Salvador, Bahia, Brazil, Department of Physics, Condensed Matter Theory Group, Uppsala University, SE-751 21 Uppsala, Sweden Da Silva, A.J., Instituto de Física, Universidade Federal da Bahia, Campus Universitário de Ondina, 40210 340 Salvador, Bahia, Brazil (creator_code:org_t)
- AIP Publishing, 2002
- 2002
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 81:17, s. 3158-3160
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The effect of the transition energy of three-donor clusters on far infrared absorption in n-type semiconductor materials has been investigated by a multiconfigurational self-consistent-field model calculation and applied to GaAs and GaN systems. We show that it is crucial to consider the many-particle correlation effects within three-donor clusters. With electron correlation taken into account, the present results support the interpretation of a very recent unidentified peak energy observed in absorption measurement of GaN as due to electronic transitions in these clusters. We also corroborate the suggestion that the X line in GaAs arises from such transitions.
Ämnesord
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Nyckelord
- Absorption measurements
- Correlation effect
- Electronic transition
- Far-infrared absorption
- GaAs
- Model calculations
- Peak energy
- Self-consistent field
- Transition energy
- Gallium arsenide
- Gallium nitride
- Semiconducting gallium
- Optical properties
- TECHNOLOGY
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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