Above-bandgap ordinary optical properties of GaSe single crystal
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Above-bandgap ordinary optical properties of GaSe single crystal

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Above-bandgap ordinary optical properties of GaSe single crystal

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dc.contributor.author Choi, S. G.
dc.contributor.author Levi, D. H.
dc.contributor.author Martínez Tomás, María del Carmen
dc.contributor.author Muñoz Sanjosé, Vicente
dc.date.accessioned 2010-04-28T09:22:46Z
dc.date.available 2010-04-28T09:22:46Z
dc.date.issued 2009
dc.identifier.uri http://hdl.handle.net/10550/2296
dc.language.iso es en
dc.relation http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000106000005053517000001&idtype=cvips&prog=normal&doi=10.1063/1.3211967 en
dc.source CHOI, S. G. ; LEVI, D. H. ; MARTINEZ TOMAS, C. ;MUÑOZ SANJOSÉ, V. Above-bandgap ordinary optical properties of GaSe single crystal. En: Journal of Applied Physics, 2009, vol. 106 en
dc.subject Critical points ; Dielectric function ; Ellipsometry ; Energy gap ; Gallium compounds ; III-VI semiconductors ; Refractive index en
dc.title Above-bandgap ordinary optical properties of GaSe single crystal en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::FÍSICA en
dc.identifier.doi 10.1063/1.3211967 en
dc.description.abstractenglish We report above-bandgap ordinary optical properties of ε-phase GaSe single crystal. Reference-quality pseudodielectric function 〈ε(E)〉 = 〈ε1(E)〉+i〈ε2(E)〉 and pseudorefractive index 〈N(E)〉 = 〈n(E)〉+i〈k(E)〉 spectra were measured by spectroscopic ellipsometry from 0.73 to 6.45 eV at room temperature for the light polarization perpendicular to the optic axis (math⊥math). The 〈ε〉 spectrum exhibited several interband-transition critical-point structures. Analysis of second-energy derivatives calculated numerically from the measured data yielded the critical-point energy values. en
dc.description.private Carmen.Martinez-Tomas@uv.es en

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