Origin of the magnetoelectric effect in the Cs2FeCl5· D2 O compound ORIGIN of the MAGNETOELECTRIC EFFECT in the ... OSCAR FABELO et al.
Fabelo, O. ; Rodríguez-Velamazán, J.A. ; Canadillas-Delgado, L. ; Mazzuca, L. ; Campo, J. (Universidad de Zaragoza) ; Millán, Á. (Universidad de Zaragoza) ; Chapon, L.C. ; Rodríguez-Carvajal, J.
Resumen: Cs2FeCl5·D2O has been identified as a linear magnetoelectric material, although the correlation of this property with the magnetic structures of this compound has not been adequately studied. We have used single-crystal and powder neutron diffraction to obtain detailed information about its nuclear and magnetic structures. From the nuclear structure analysis, we describe the occurrence of a phase transition related to the reorganization of the [FeCl5·D2O]-2 ions and the Cs+ counterion. The magnetic structure was determined at zero magnetic field at 1.8 K using single-crystal diffraction and its temperature evolution was recorded using powder diffraction. The symmetry analysis of the magnetic structure is compatible with the occurrence of the magnetoelectric effect. Moreover, the evolution of the magnetic structure as a function of the external magnetic field has also been studied. The reorientation of the magnetic moments under applied external field along the easy axis (b axis at low temperature) is compatible with the occurrence of a spin-flop transition. The application of a magnetic field below TN compels the magnetic moments to flip from the b axis to the ac plane (with a small induced component along the b axis), for a critical magnetic field of ca. 1.2 T.
Idioma: Inglés
DOI: 10.1103/PhysRevB.96.104428
Año: 2017
Publicado en: Physical Review B 96, 10 (2017), 104428 [9 pp]
ISSN: 2469-9950
Factor impacto JCR: 3.813 (2017)
Categ. JCR: PHYSICS, CONDENSED MATTER rank: 18 / 67 = 0.269 (2017) - Q2 - T1
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2015-68200-C2-2-P
Financiación: info:eu-repo/grantAgreement/ES/UZ/CUD2013-17
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes.
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Idioma: Inglés
DOI: 10.1103/PhysRevB.96.104428
Año: 2017
Publicado en: Physical Review B 96, 10 (2017), 104428 [9 pp]
ISSN: 2469-9950
Factor impacto JCR: 3.813 (2017)
Categ. JCR: PHYSICS, CONDENSED MATTER rank: 18 / 67 = 0.269 (2017) - Q2 - T1
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2015-68200-C2-2-P
Financiación: info:eu-repo/grantAgreement/ES/UZ/CUD2013-17
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. Exportado de SIDERAL (2018-07-23-11:54:48)
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Record created 2017-11-16, last modified 2018-07-23