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Lattice parameters,...
Lattice parameters, deviations from Vegards rule, and E-2 phonons in InAlN
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- Darakchieva, Vanya (author)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Xie, Mengyao (author)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Tasnadi, Ferenc (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
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- Abrikosov, Igor (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
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- Hultman, Lars (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan
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- Monemar, Bo (author)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Kamimura, J (author)
- Sophia University
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- Kishino, K (author)
- Japan Science & Technology Agency
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(creator_code:org_t)
- AIP Publishing, 2008
- 2008
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 93:26, s. 261908-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The lattice parameters of InxAl1-xN in the whole compositional range are studied using first-principle calculations. Deviations from Vegards rule are obtained via the bowing parameters, delta(a)=0.0412 +/- 0.0039 A and delta(c)=-0.060 +/- 0.010 A, which largely differ from previously reported values. Implications of the observed deviations from Vegards rule on the In content extracted from x-ray diffraction are discussed. We also combine these results with x-ray diffraction and Raman scattering studies on InxAl1-xN nanocolumns with 0.627 <= x <= 1 and determine the E-2 phonon frequencies versus In composition in the scarcely studied In-rich compositional range.
Keyword
- ab initio calculations
- aluminium compounds
- crystal structure
- III-V semiconductors
- indium compounds
- nanostructured materials
- phonon spectra
- phonons
- Raman spectra
- X-ray diffraction
- NATURAL SCIENCES
- NATURVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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