Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4988
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dc.contributorDepartment of Applied Physics-
dc.creatorWan, X-
dc.creatorChan, HLW-
dc.creatorChoy, CL-
dc.creatorZhao, X-
dc.creatorLuo, H-
dc.date.accessioned2014-12-11T08:24:52Z-
dc.date.available2014-12-11T08:24:52Z-
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/10397/4988-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in X. Wan et al., J. Appl. Phys. 96, 1387 (2004) and may be found at http://link.aip.org/link/?jap/96/1387.en_US
dc.subjectLead compoundsen_US
dc.subjectEllipsometryen_US
dc.subjectFerroelectric materialsen_US
dc.subjectRefractive indexen_US
dc.subjectExtinction coefficientsen_US
dc.subjectAbsorption coefficientsen_US
dc.subjectEnergy gapen_US
dc.subjectPermittivityen_US
dc.titleOptical properties of (1-x)Pb(Mg₁/₃Nb₂/₃)O₃-xPbTiO₃single crystals studied by spectroscopic ellipsometryen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: H. L. W. Chanen_US
dc.description.otherinformationAuthor name used in this publication: C. L. Choyen_US
dc.identifier.spage1387-
dc.identifier.epage1391-
dc.identifier.volume96-
dc.identifier.issue3-
dc.identifier.doi10.1063/1.1767287-
dcterms.abstract(1-x)Pb(Mg₁/₃Nb₂/₃)O₃-xPbTiO₃(PMN-x PT)single crystals with x=0.24, 0.30, 0.31, and 0.33 have been investigated by spectroscopic ellipsometry. The refractive indices and extinction coefficients were obtained. The modified Sellmeier equations for the refractive indices were obtained by least-squares fit. The equations can be used to calculate the refractive index with high accuracy in the low absorption wavelength range, namely, from 400 to 5800 nm. The Sellmeier optical coefficients E₀,λ₀,S₀, and E[sub d] were calculated by fitting the single-term oscillator equation. They are related directly to the electronic energy band structure and have the physical significance. The optical band gap energies were also obtained from absorption coefficient spectra. Our results show that as the PT content increases, the refractive index of PMN-xPT single crystals increases, while the optical band gap energy decreases. Some discussions about the BO₆ octahedron building block that determines the basic energy level of PMN-xPT single crystals are also presented in this article.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of applied physics, 1 Aug. 2004, v. 96, no. 3, p. 1387-1391-
dcterms.isPartOfJournal of applied physics-
dcterms.issued2004-08-01-
dc.identifier.isiWOS:000222936900016-
dc.identifier.scopus2-s2.0-4043151989-
dc.identifier.eissn1089-7550-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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