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Título: | Magnetic frustration, phase competition, and the magnetoelectric effect in NdFe3(BO3)4 |
Autor: | Hamann-Borrero, J. E.; Mazzoli, Claudio; Herrero Martín, Javier CSIC ORCID | Fecha de publicación: | 2012 | Editor: | American Physical Society | Citación: | Physical Review Letters 109: 267202 (2012) | Resumen: | We present an element selective resonant magnetic x-ray scattering study of NdFe3(BO3)4 as a function of temperature and applied magnetic field. Our measurements show that the magnetic order of the Nd sublattice is induced by the Fe spin order. When a magnetic field is applied parallel to the hexagonal basal plane, the helicoidal spin order is suppressed and a collinear ordering, where the moments are forced to align in a direction perpendicular to the applied magnetic field, is stabilized. This result excludes a noncollinear spin order as the origin of the magnetically induced electric polarization in this compound. Instead our data imply that magnetic frustration results in a phase competition, which is the origin of the magnetoelectric response. | Descripción: | PACS numbers: 75.85.+t, 75.25. j, 75.30.Et, 78.70.Ck.-- et al. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.109.267202 | URI: | http://hdl.handle.net/10261/93337 | DOI: | 10.1103/PhysRevLett.109.267202 | ISSN: | 0031-9007 | E-ISSN: | 1079-7114 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Magnetic Frustration.pdf | 816,01 kB | Adobe PDF | Visualizar/Abrir |
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