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dc.contributor.author | Palacios, Elias | - |
dc.contributor.author | Rodríguez-Velamazán, J. A. | - |
dc.contributor.author | Evangelisti, Marco | - |
dc.contributor.author | McIntyre, G. J. | - |
dc.contributor.author | Lorusso, Giulia | - |
dc.contributor.author | Visser, D. | - |
dc.contributor.author | Jongh, L. J. de | - |
dc.contributor.author | Boatner, L. A. | - |
dc.date.accessioned | 2015-07-31T07:24:55Z | - |
dc.date.available | 2015-07-31T07:24:55Z | - |
dc.date.issued | 2014 | - |
dc.identifier | doi: 10.1103/PhysRevB.90.214423 | - |
dc.identifier | issn: 1098-0121 | - |
dc.identifier | e-issn: 1550-235X | - |
dc.identifier.citation | Physical Review B 90: 214423 (2014) | - |
dc.identifier.uri | http://hdl.handle.net/10261/120852 | - |
dc.description | Under the terms of the Creative Commons Attribution License 3.0 (CC-BY). | - |
dc.description.abstract | The magnetic ordering structure of GdPO4 is determined at T=60 mK by the diffraction of hot neutrons with wavelength λ=0.4696 Å. It corresponds to a noncollinear antiferromagnetic arrangement of the Gd moments with propagation vector k=(1/2,0,1/2). This arrangement is found to minimize the dipole-dipole interaction and the crystal-field anisotropy energy, the magnetic superexchange being much smaller. The intensity of the magnetic reflections decreases with increasing temperature and vanishes at T≈0.8 K, in agreement with the magnetic ordering temperature TN=0.77 K, as reported in previous works based on heat capacity and magnetic susceptibility measurements. The magnetocaloric parameters have been determined from heat capacity data at constant applied fields up to 7 T, as well as from isothermal magnetization data. The magnetocaloric effect, for a field change ΔB=0-7T, reaches -ΔST=375.8mJ/cm3K-1 at T=2.1 K, largely exceeding the maximum values reported to date for Gd-based magnetic refrigerants. | - |
dc.description.sponsorship | We acknowledge the Spanish MINECO for funding this research through Grant Nos. MAT2012-38318-C03-01 and MAT2013-44063-R. Research at the Oak Ridge National Laboratory for one author (L.A.B.) was sponsored by the U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division. | - |
dc.publisher | American Physical Society | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Magnetic structure and magnetocalorics of GdPO4 | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1103/PhysRevB.90.214423 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevB.90.214423 | - |
dc.date.updated | 2015-07-31T07:24:55Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by/3.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Department of Energy (US) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100000015 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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magnetocalorics.pdf | 593,79 kB | Adobe PDF | Visualizar/Abrir |
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