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Conference Paper: Novel model for the optical function: Application to hexagonal GaN

TitleNovel model for the optical function: Application to hexagonal GaN
Authors
Issue Date2001
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html
Citation
Materials Research Society Symposium - Proceedings, 2001, v. 677, p. AA4.8.1-AA4.8.6 How to Cite?
AbstractIn this work we propose an analytical expression for the complex dielectric function that includes both discrete and continuum exciton effects. The model is based on the work of Elliott and the proposed model has been applied to modeling the experimental data for the hexagonal GaN. We have obtained good agreement with the experimental data. The model assumes Lorentzian broadening in order to obtain dielectric function equations in analytically closed form. We show that Lorentzian broadened dielectric function decays more slowly than the experimental data for hexagonal GaN at the low energy side. This indicates that the broadening of the absorption edge in GaN is not purely Lorentzian. The agreement with the experimental data can be improved using adjustable broadening modification.
Persistent Identifierhttp://hdl.handle.net/10722/176160
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorChan, Yen_US
dc.contributor.authorDjurišić, ABen_US
dc.contributor.authorLi, EHen_US
dc.date.accessioned2012-11-26T09:06:30Z-
dc.date.available2012-11-26T09:06:30Z-
dc.date.issued2001en_US
dc.identifier.citationMaterials Research Society Symposium - Proceedings, 2001, v. 677, p. AA4.8.1-AA4.8.6en_US
dc.identifier.issn0272-9172en_US
dc.identifier.urihttp://hdl.handle.net/10722/176160-
dc.description.abstractIn this work we propose an analytical expression for the complex dielectric function that includes both discrete and continuum exciton effects. The model is based on the work of Elliott and the proposed model has been applied to modeling the experimental data for the hexagonal GaN. We have obtained good agreement with the experimental data. The model assumes Lorentzian broadening in order to obtain dielectric function equations in analytically closed form. We show that Lorentzian broadened dielectric function decays more slowly than the experimental data for hexagonal GaN at the low energy side. This indicates that the broadening of the absorption edge in GaN is not purely Lorentzian. The agreement with the experimental data can be improved using adjustable broadening modification.en_US
dc.languageengen_US
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.htmlen_US
dc.relation.ispartofMaterials Research Society Symposium - Proceedingsen_US
dc.titleNovel model for the optical function: Application to hexagonal GaNen_US
dc.typeConference_Paperen_US
dc.identifier.emailDjurišić, AB: dalek@hku.hken_US
dc.identifier.authorityDjurišić, AB=rp00690en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0035559039en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035559039&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume677en_US
dc.identifier.spageAA4.8.1en_US
dc.identifier.epageAA4.8.6en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChan, Y=7403676038en_US
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_US
dc.identifier.scopusauthoridLi, EH=7201410087en_US

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