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Polarized and resonant Raman spectroscopy on single InAs nanowires

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Polarized and resonant Raman spectroscopy on single InAs nanowires

dc.contributor.author	Möller, Michael
dc.contributor.author	Morais de Lima, Mauricio, Jr.
dc.contributor.author	Cantarero Sáez, Andrés
dc.contributor.author	Dacal, L. C. O.
dc.contributor.author	Madureira, J.R.
dc.contributor.author	Iikawa, F.
dc.contributor.author	Chiaramonte, T.
dc.contributor.author	Cotta, M.A.
dc.date.accessioned	2013-11-27T14:00:11Z
dc.date.available	2013-11-27T14:00:11Z
dc.date.issued	2011
dc.identifier.citation	Möller, Michael Morais de Lima, Mauricio, Jr. Cantarero Sáez, Andrés Dacal, L.C.O. Madureira, J.R. Iikawa, F. Chiaramonte, T. Cotta, M.A. 2011 Polarized and resonant Raman spectroscopy on single InAs nanowires Physical Review B 84 085318-1 085318-8
dc.identifier.uri	http://hdl.handle.net/10550/31456
dc.description.abstract	We report polarized Raman scattering and resonant Raman scattering studies on single InAs nanowires.Polarized Raman experiments show that the highest scattering intensity is obtained when both the incident and analyzed light polarizations are perpendicular to the nanowire axis. InAs wurtzite optical modes are observed. The obtained wurtzite modes are consistent with the selection rules and also with the results of calculations using an extended rigid-ion model. Additional resonant Raman scattering experiments reveal a redshifted E1 transition for InAs nanowires compared to the bulk zinc-blende InAs transition due to the dominance of the wurtzite phase in the nanowires. Ab initio calculations of the electronic band structure for wurtzite and zinc-blende InAs phases corroborate the observed values for the E1 transitions.
dc.relation.ispartof	Physical Review B, 2011, vol. 84, p. 085318-1-085318-8
dc.subject	Espectroscòpia Raman
dc.subject	Nanotecnologia
dc.subject	Ciència dels materials
dc.title	Polarized and resonant Raman spectroscopy on single InAs nanowires
dc.type	journal article	es_ES
dc.date.updated	2013-11-27T14:00:11Z
dc.identifier.doi	10.1103/PhysRevB.84.085318
dc.identifier.idgrec	072724
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1103/PhysRevB.84.085318