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Determination of the crystal and magnetic structure of the DyCrO4-scheelite polymorph by neutron diffraction
Cita
Santos Garcia, Antonio Juan dos; Climent Pascual, Esteban; Rabie, Mahmoud Gamal; Romero de Paz, Julio; Gallardo Amores, Jose Manuel; Khalyavin, Dmitry y Saez Puche, Regino (2014). Determination of the crystal and magnetic structure of the DyCrO4-scheelite polymorph by neutron diffraction. "Journal of Physics: Conference Series", v. 549 ; pp. 1-6. ISSN 1742-6588. https://doi.org/10.1088/1742-6596/549/1/012021.
Descripción
| Título: | Determination of the crystal and magnetic structure of the DyCrO4-scheelite polymorph by neutron diffraction |
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| Autor/es: |
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| Tipo de Documento: | Artículo |
| Título de Revista/Publicación: | Journal of Physics: Conference Series |
| Fecha: | 17 Noviembre 2014 |
| Volumen: | 549 |
| Materias: | |
| Escuela: | E.T.S.I. Diseño Industrial (UPM) |
| Departamento: | Ingeniería Mecánica, Química y Diseño Industrial |
| Licencias Creative Commons: | Reconocimiento - Sin obra derivada - No comercial |
Resumen
Neutron diffraction data of DyCrO4 oxide, prepared at 4 GPa and 833 K from the ambient pressure zircon-type, reveal that crystallize with the scheelite-type structure, space group I41/a. Accompanying this structural phase transition induced by pressure the magnetic properties change dramatically from ferromagnetism in the case of zircon to antiferromagnetism for the scheelite polymorph with a T N= 19 K. The analysis of the neutron diffraction data obtained at 1.2 K has been used to determine the magnetic structure of this DyCrO4-scheelite oxide which can be described with a k = [0, 0, 0] as propagation vector, where the Dy and Cr moments are lying in the ab-plane of the scheelite structure. The ordered magnetic moments are 10 µB and 1 µB for Dy+3 and Cr+5 respectively
Proyectos asociados
| Tipo | Código | Acrónimo | Responsable | Título |
|---|---|---|---|---|
| Gobierno de España | MAT2010-19460 | Sin especificar | Regino Sáez Puche | Materiales funcionales: síntesis, caracterización y propiedades |
| Comunidad de Madrid | S2009/PPQ-1626 | MATERYENER-2 | Sin especificar | Sin especificar |
Más información
| ID de Registro: | 37415 |
|---|---|
| Identificador DC: | http://oa.upm.es/37415/ |
| Identificador OAI: | oai:oa.upm.es:37415 |
| Identificador DOI: | 10.1088/1742-6596/549/1/012021 |
| URL Oficial: | http://iopscience.iop.org/article/10.1088/1742-6596/549/1/012021/pdf |
| Depositado por: | Memoria Investigacion |
| Depositado el: | 09 Sep 2015 10:44 |
| Ultima Modificación: | 09 Sep 2015 10:44 |
