Publication:
Magnetic and morphological characterization of Nd2Fe14B magnets with different quality grades at low temperature 5-300 K

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tecnología de Polvoses
dc.contributor.authorDíez Jiménez, E.
dc.contributor.authorPérez Díaz, J. L.
dc.contributor.authorFerdeghini, C.
dc.contributor.authorCanepa, F.
dc.contributor.authorBernini, C.
dc.contributor.authorCristache, C.
dc.contributor.authorSánchez-García Casarrubios, J.
dc.contributor.authorValiente Blanco, Ignacio
dc.contributor.authorRuiz Navas, Elisa María
dc.contributor.authorMartínez Rojas, J. A.
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2022-07-28T07:56:18Z
dc.date.available2022-07-28T07:56:18Z
dc.date.issued2018-04
dc.description.abstractAn increasing number of cryogenic devices may benefit from the use of Nd2Fe14B permanent magnets. However, it is necessary to precisely know their behavior because magnetization varies significantly due to Spin Reorientation Transition. In this work, magnetic and morphological characterization of Nd2Fe14B commercial polycrystalline magnets with different quality grades from 5 to 300 K is provided. A set of magnets ranging from N35 to N52 quality have been analyzed. Mean grain dimension as well as material composition elements are provided. Higher quality magnets show smaller mean grain dimensions. Regarding cryogenic temperatures, the well know spin transition effect appears in all the magnets as expected, however, the transition temperature occurs at different temperatures in a range from 112 to 120 K which is lower than those obtained for single crystal samples. Moreover, the relative variation of the remanence from 300 to 5 K is lower than 4% while the maximum expected variation is in average 11%. As extra information, the same analyzes are provided for additional quality grades N40M, N40S, N40SH and N40UH.en
dc.description.sponsorshipThe research leading to these results has received funding from the European Community's Seventh Framework Programme ([FP7/2007-2013]) under grant agreement n° 263014.en
dc.format.extent5
dc.identifier.bibliographicCitationDiez-Jimenez, E., Perez-Diaz, J., Ferdeghini, C., Canepa, F., Bernini, C., Cristache, C., Sanchez-Garcia-Casarrubios, J., Valiente-Blanco, I., Ruiz-Navas, E., & Martínez-Rojas, J. (2018). Magnetic and morphological characterization of Nd2Fe14B magnets with different quality grades at low temperature 5–300 K. Journal of Magnetism and Magnetic Materials, 451, 549–553. https://doi.org/10.1016/j.jmmm.2017.11.109en
dc.identifier.doihttps://doi.org/10.1016/j.jmmm.2017.11.109
dc.identifier.issn0304-8853
dc.identifier.publicationfirstpage549
dc.identifier.publicationlastpage553
dc.identifier.publicationtitleJournal of Magnetism and Magnetic Materialen
dc.identifier.publicationvolume451
dc.identifier.urihttps://hdl.handle.net/10016/35547
dc.identifier.uxxiAR/0000021233
dc.language.isoeng
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/263014en
dc.rights© 2017 Elsevier B.V. All rights reserved.en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaFísicaes
dc.subject.otherCryogenic characterizationen
dc.subject.otherNdfeb magnetsen
dc.subject.otherMagnetic characterizationen
dc.titleMagnetic and morphological characterization of Nd2Fe14B magnets with different quality grades at low temperature 5-300 Ken
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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