Contributions of impurity band and electron-electron interactions to magnetoconductance in AlGaN

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage3599en_US
dc.citation.issueNumber26en_US
dc.citation.spage3591en_US
dc.citation.volumeNumber90en_US
dc.contributor.authorTasli, P.en_US
dc.contributor.authorYildiz, A.en_US
dc.contributor.authorKasap, M.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorLisesivdin, S. B.en_US
dc.contributor.authorOzcelik, S.en_US
dc.date.accessioned2016-02-08T09:57:26Z
dc.date.available2016-02-08T09:57:26Z
dc.date.issued2010-06-30en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractLow temperature electrical measurements of conductivity, the Hall effect and magnetoconductance were performed on a degenerate AlGaN sample. The sample exhibited negative magnetoconductance at low magnetic fields and low temperatures, with the magnitude being systematically dependent on temperature. The measured magnetoconductance was compared with models proposed previously by Sondheimer and Wilson [Proc. R. Soc. Lond. Ser. A 190 (1947) p. 435] and Lee and Ramakrishan [Rev. Mod. Phys. 57 (1985) p. 287]. Data were analyzed as the sum of the contribution of a two-band and electron-electron interactions to the magnetoconductance, applying these models to describe the observed behavior. Least-squares fits to the data are presented. In the sample, magnetoconductance can be explained reasonably well by assuming these contributions to the measured magnetoconductance. It was found that theoretical and experimental data were in excellent agreement.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:57:26Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2010en
dc.identifier.doi10.1080/14786435.2010.492357en_US
dc.identifier.eissn1478-6443
dc.identifier.issn1478-6435
dc.identifier.urihttp://hdl.handle.net/11693/22243
dc.language.isoEnglishen_US
dc.publisherTaylor & Francisen_US
dc.relation.isversionofhttp://dx.doi.org/10.1080/14786435.2010.492357en_US
dc.source.titlePhilosophical Magazineen_US
dc.subjectAlGaNen_US
dc.subjectElectron-electron interactionsen_US
dc.subjectImpurity banden_US
dc.subjectMOCVDen_US
dc.subjectNegative magnetoconductanceen_US
dc.subjectTwo-band modelen_US
dc.titleContributions of impurity band and electron-electron interactions to magnetoconductance in AlGaNen_US
dc.typeArticleen_US

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