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- Publisher Website: 10.1103/PhysRevB.92.245202
- Scopus: eid_2-s2.0-84952342486
- WOS: WOS:000365774100003
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Article: Difference in linear polarization of biaxially strained InxGa1-xN alloys on nonpolar a-plane and m-plane GaN
Title | Difference in linear polarization of biaxially strained InxGa1-xN alloys on nonpolar a-plane and m-plane GaN |
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Authors | |
Issue Date | 2015 |
Citation | Physical Review B - Condensed Matter and Materials Physics, 2015, v. 92, n. 24, article no. 245202 How to Cite? |
Abstract | InxGa1-xN structures epitaxially grown on a-plane or m-plane GaN exhibit in-plane optical polarization. Linear elasticity theory treats the two planes equivalently and is hence unable to explain the experimentally observed higher degree of linear polarization for m-plane than a-plane InxGa1-xN. Using density functional theory, we study the response of InxGa1-xN random alloys to finite biaxial strains on both nonpolar planes. The calculated m-plane InxGa1-xN valence band splitting is larger than that of the a plane, due to a greater degree of structural relaxation in a-plane InxGa1-xN. We provide a parametrization of the valence band splitting of InxGa1-xN strained to a-plane and m-plane GaN for In compositions between 0 and 0.5, which agrees with experimental measurements and qualitatively explains the experimentally observed difference between a-plane and m-plane polarization. |
Persistent Identifier | http://hdl.handle.net/10722/302310 |
ISSN | 2014 Impact Factor: 3.736 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhang, Siyuan | - |
dc.contributor.author | Cui, Ying | - |
dc.contributor.author | Griffiths, James T. | - |
dc.contributor.author | Fu, Wai Y. | - |
dc.contributor.author | Freysoldt, Christoph | - |
dc.contributor.author | Neugebauer, Jörg | - |
dc.contributor.author | Humphreys, Colin J. | - |
dc.contributor.author | Oliver, Rachel A. | - |
dc.date.accessioned | 2021-08-30T13:58:13Z | - |
dc.date.available | 2021-08-30T13:58:13Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Physical Review B - Condensed Matter and Materials Physics, 2015, v. 92, n. 24, article no. 245202 | - |
dc.identifier.issn | 1098-0121 | - |
dc.identifier.uri | http://hdl.handle.net/10722/302310 | - |
dc.description.abstract | InxGa1-xN structures epitaxially grown on a-plane or m-plane GaN exhibit in-plane optical polarization. Linear elasticity theory treats the two planes equivalently and is hence unable to explain the experimentally observed higher degree of linear polarization for m-plane than a-plane InxGa1-xN. Using density functional theory, we study the response of InxGa1-xN random alloys to finite biaxial strains on both nonpolar planes. The calculated m-plane InxGa1-xN valence band splitting is larger than that of the a plane, due to a greater degree of structural relaxation in a-plane InxGa1-xN. We provide a parametrization of the valence band splitting of InxGa1-xN strained to a-plane and m-plane GaN for In compositions between 0 and 0.5, which agrees with experimental measurements and qualitatively explains the experimentally observed difference between a-plane and m-plane polarization. | - |
dc.language | eng | - |
dc.relation.ispartof | Physical Review B - Condensed Matter and Materials Physics | - |
dc.title | Difference in linear polarization of biaxially strained InxGa1-xN alloys on nonpolar a-plane and m-plane GaN | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevB.92.245202 | - |
dc.identifier.scopus | eid_2-s2.0-84952342486 | - |
dc.identifier.volume | 92 | - |
dc.identifier.issue | 24 | - |
dc.identifier.spage | article no. 245202 | - |
dc.identifier.epage | article no. 245202 | - |
dc.identifier.eissn | 1550-235X | - |
dc.identifier.isi | WOS:000365774100003 | - |