About: Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates

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About: Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://iopscience.iop.org/1402-4896/2014/T162/014007/article
Description	We report results of Raman and ellipsometric spectroscopy of the topological insulators Bi2Te3 and Bi2Se3 grown by molecular beam epitaxy on BaF2 (111) substrates. Surfaces and interfaces of the films are probed by Raman scattering from the front and back sides of the samples, which is possible owing to the transparent substrate. Surface modifications induced by intense illumination with exciting laser light have been detected, with excess tellurium at the surface during and after exposure. We also report data for thin epilayers containing a fractional number of unit cells and/or incomplete Bi2Te3 and Bi2Se3 quintuples. We have used spectroellipsometric measurements to obtain response functions and have derived the penetration depth of light in the 1.0–6.5 eV range. We report results of Raman and ellipsometric spectroscopy of the topological insulators Bi2Te3 and Bi2Se3 grown by molecular beam epitaxy on BaF2 (111) substrates. Surfaces and interfaces of the films are probed by Raman scattering from the front and back sides of the samples, which is possible owing to the transparent substrate. Surface modifications induced by intense illumination with exciting laser light have been detected, with excess tellurium at the surface during and after exposure. We also report data for thin epilayers containing a fractional number of unit cells and/or incomplete Bi2Te3 and Bi2Se3 quintuples. We have used spectroellipsometric measurements to obtain response functions and have derived the penetration depth of light in the 1.0–6.5 eV range. (en)
Title	Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates (en)
skos:prefLabel	Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates Raman and interband optical spectra of epitaxial layers of the topological insulators Bi2Te3 and Bi2Se3 on BaF2 substrates (en)
skos:notation	RIV/00216224:14740/14:00074283!RIV15-GA0-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(GAP204/12/0595)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Humlíček, Josef Caha, Ondřej Hemzal, Dušan Dubroka, Adam
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	41267
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/14:00074283
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bismuth tellurides; bismuth selenides; Raman spectra; ellipsometric spectra; epitaxial layers (en)
http://linked.open.../riv/klicoveSlovo	epitaxial layers Raman spectra bismuth selenides bismuth tellurides ellipsometric spectra
http://linked.open...ontrolniKodProRIV	[6B04FCA4A932]
http://linked.open...v/mistoKonaniAkce	Belgrade
http://linked.open...i/riv/mistoVydani	Sweden
http://linked.open...i/riv/nazevZdroje	PHOTONICA ’ 13: 4th International School and Conference on Photonics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Electronic and structural properties of three-dimensional topological insulators
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Caha, Ondřej Dubroka, Adam Humlíček, Josef Hemzal, Dušan Steiner, Hubert Bauer, Gunther Springholz, Guenther
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-01-01 (xsd:date)
issn	0031-8949
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0031-8949/2014/T162/014007
http://purl.org/ne...btex#hasPublisher	Royal Swedish Academy of Sciences
http://localhost/t...ganizacniJednotka	14740

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