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dc.contributor.author | Herrero Martín, Javier | - |
dc.contributor.author | García, Joaquín | - |
dc.contributor.author | Subías, G. | - |
dc.contributor.author | Blasco, Javier | - |
dc.contributor.author | Sánchez, María Concepción | - |
dc.contributor.author | Stanescu, Stefan | - |
dc.date.accessioned | 2009-12-22T12:05:48Z | - |
dc.date.available | 2009-12-22T12:05:48Z | - |
dc.date.issued | 2006-06 | - |
dc.identifier.citation | Physical Review - Section B - Condensed Matter 73(22): 224407.1-224407.7 (2006) | en_US |
dc.identifier.issn | 1539-3755 | - |
dc.identifier.uri | http://hdl.handle.net/10261/19786 | - |
dc.description | 7 pages, 8 figures.-- PACS number(s): 75.47.Lx, 78.70.Ck, 71.30.+h | en_US |
dc.description.abstract | We have studied the low-temperature ordered phase of Nd0.5Sr0.5MnO3 by resonant soft x-ray scattering at the Mn L2,3 edges. Strong resonances were observed at (0 0) and ( 0 0) reflections, which are resolved in momentum space. Azimuthal scans reveal a periodicity for both resonances, the minimum intensity being almost zero. The two reflections show a very different energy dependence which extends in the whole energy region of the Mn L-edge. The (0 0) reflection originates from the anisotropy induced on the d-symmetry projected density of states owing to the local tetragonal distortion at one of the two crystallographic inequivalent Mn sites (the so-called Mn3+ ions in the conventional ionic description). This is similar to the resonance observed at the Mn K edge. We propose that the ( 0 0) reflection, which has not its counterpart either on the Mn K-edge resonant scattering or on the magnetic scattering, is originated by anisotropy of the d-symmetry projected density of the so-called Mn4+ sublattice. In this way, the latter reflection could denote a pure orbital ordering in this sublattice. | en_US |
dc.description.sponsorship | We are thankful for the financial support from the Spanish CICyT Project No. MAT2005-04562 and from D.G.A. We also acknowledge ESRF and ID08 beamline for granting beam time. | en_US |
dc.format.extent | 471620 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.subject | Neodymium compounds | en_US |
dc.subject | Strontium compounds | en_US |
dc.subject | X-ray scattering | en_US |
dc.subject | Colossal magnetoresistance | en_US |
dc.title | Double stripe ordering in Nd0.5Sr0.5MnO3 determined by resonant soft x-ray scattering | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevB.73.224407 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevB.73.224407 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.openairetype | artículo | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
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