FIRST-PRINCIPLES STUDY OF THE OPTICAL-PROPERTIES AND THE DIELECTRIC RESPONSE OF AL

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dc.contributor.authorLEE, KHko
dc.contributor.authorChang, Kee-Jooko
dc.date.accessioned2013-02-25T18:45:40Z-
dc.date.available2013-02-25T18:45:40Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1994-01-
dc.identifier.citationPHYSICAL REVIEW B, v.49, no.4, pp.2362 - 2367-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/10203/64435-
dc.description.abstractWe investigate the optical properties and the dielectric response of Al through self-consistent Qb initio pseudopotential calculations. The frequency and wave-vector-dependent dielectric function of Al is calculated for both the real and imaginary parts within the random-phase approximation. The accuracy of the calculations is tested using Kramers-Kronig relations and sum rules. In the limit q --> 0, we find major optical peaks at 0.5 and 1.5 eV, which originated from the electronic structure, in good agreement with experimental data. For the wave vectors along the [100] direction, the electron-energy-loss function is calculated to examine the plasmon mode. Considering the exchange-correlation and core polarization effects, we find good agreement of the calculated plasma frequencies with experiments. The anisotropy of the plasmon dispersion is also investigated.-
dc.languageEnglish-
dc.publisherAMERICAN PHYSICAL SOC-
dc.subjectPLASMON DISPERSION-
dc.subjectMOMENTUM-SPACE-
dc.subjectSIMPLE METALS-
dc.subjectALUMINUM-
dc.subjectENERGY-
dc.subjectSPECTRUM-
dc.subjectSILICON-
dc.subjectSEMICONDUCTORS-
dc.subjectABSORPTION-
dc.titleFIRST-PRINCIPLES STUDY OF THE OPTICAL-PROPERTIES AND THE DIELECTRIC RESPONSE OF AL-
dc.typeArticle-
dc.identifier.wosidA1994MV08900010-
dc.type.rimsART-
dc.citation.volume49-
dc.citation.issue4-
dc.citation.beginningpage2362-
dc.citation.endingpage2367-
dc.citation.publicationnamePHYSICAL REVIEW B-
dc.contributor.localauthorChang, Kee-Joo-
dc.contributor.nonIdAuthorLEE, KH-
dc.type.journalArticleArticle-
dc.subject.keywordPlusPLASMON DISPERSION-
dc.subject.keywordPlusMOMENTUM-SPACE-
dc.subject.keywordPlusSIMPLE METALS-
dc.subject.keywordPlusALUMINUM-
dc.subject.keywordPlusENERGY-
dc.subject.keywordPlusSPECTRUM-
dc.subject.keywordPlusSILICON-
dc.subject.keywordPlusSEMICONDUCTORS-
dc.subject.keywordPlusABSORPTION-
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