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http://hdl.handle.net/10261/93992
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dc.contributor.author | Kayser, Paula | - |
dc.contributor.author | Martínez-Lope, M. J. | - |
dc.contributor.author | Alonso, J. A. | - |
dc.contributor.author | Fernández-Díaz, M. T. | - |
dc.date.accessioned | 2014-03-21T09:30:57Z | - |
dc.date.available | 2014-03-21T09:30:57Z | - |
dc.date.issued | 2013 | - |
dc.identifier | doi: 10.1021/ic401161d | - |
dc.identifier | issn: 0020-1669 | - |
dc.identifier | e-issn: 1520-510X | - |
dc.identifier.citation | Inorganic Chemistry 52(19): 11013-11022 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/93992 | - |
dc.description.abstract | Double perovskites containing Ir6+/Ir5+ with formula Sr2MIrO6 (M = Ni, Zn) have been synthesized under high oxygen pressure conditions. Their crystal structures have been studied by X-ray and neutron powder diffraction at room temperature (RT) and 2 K. At RT, these oxides crystallize in the monoclinic space group P21/n with unit-cell parameters a ≈ √2a0, b ≈ √2a0, and c ≈ 2a0, and β ≈ 90. The thermal evolution of the structure of the Ni-containing compound shows the presence of two phase transition in the 373-673 K interval following the sequence P21/n → I4/m → Fm3̄m. These materials have also been characterized by magnetic measurements, suggesting the onset of antiferromagnetic interactions at T N = 58 and 46 K, for M = Ni, Zn, respectively. X-ray absorption spectroscopy sheds light on the oxidation states of M and Ir ions within these double perovskites. © 2013 American Chemical Society. | - |
dc.description.sponsorship | We acknowledge the financial support of the Spanish Ministry of Science and Technology to the project MAT2010-16404 and of the Comunidad de Madrid to the Project S2009PPQ-1551. | - |
dc.publisher | American Chemical Society | - |
dc.relation | S2009/PPQ-1551/QUIMAPRES | - |
dc.rights | closedAccess | - |
dc.title | Crystal structure, phase transitions, and magnetic properties of iridium perovskites Sr2MIrO6 (M = Ni, Zn) | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1021/ic401161d | - |
dc.date.updated | 2014-03-21T09:30:57Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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