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Determination of the crystal and magnetic structure of the DyCrO4-scheelite polymorph by neutron diffraction
Citation
Santos Garcia, Antonio Juan dos and Climent Pascual, Esteban and Rabie, Mahmoud Gamal and Romero de Paz, Julio and Gallardo Amores, Jose Manuel and Khalyavin, Dmitry and Sáez 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.
Description
| Title: | Determination of the crystal and magnetic structure of the DyCrO4-scheelite polymorph by neutron diffraction |
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| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | Journal of Physics: Conference Series |
| Date: | 17 November 2014 |
| ISSN: | 1742-6588 |
| Volume: | 549 |
| Subjects: | |
| Faculty: | E.T.S.I. Diseño Industrial (UPM) |
| Department: | Ingeniería Mecánica, Química y Diseño Industrial |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
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
Funding Projects
| Type | Code | Acronym | Leader | Title |
|---|---|---|---|---|
| Government of Spain | MAT2010-19460 | Unspecified | Regino Sáez Puche | Materiales funcionales: síntesis, caracterización y propiedades |
| Madrid Regional Government | S2009/PPQ-1626 | MATERYENER-2 | Unspecified | Unspecified |
More information
| Item ID: | 37415 |
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| DC Identifier: | http://oa.upm.es/37415/ |
| OAI Identifier: | oai:oa.upm.es:37415 |
| DOI: | 10.1088/1742-6596/549/1/012021 |
| Official URL: | http://iopscience.iop.org/article/10.1088/1742-6596/549/1/012021/pdf |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 09 Sep 2015 10:44 |
| Last Modified: | 24 Sep 2019 11:34 |
