Polarized and resonant Raman spectroscopy on single InAs nanowires
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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

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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.uri http://dx.doi.org/10.1103/PhysRevB.84.085318
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.rights.uri info:eu-repo/semantics/openAccess
dc.source 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.subject Espectroscòpia Raman
dc.subject Nanotecnologia
dc.subject Ciència dels materials
dc.title Polarized and resonant Raman spectroscopy on single InAs nanowires
dc.type info:eu-repo/semantics/article
dc.date.updated 2013-11-27T14:00:11Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevB.84.085318
dc.identifier.idgrec 072724

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