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Magnetic structure and magneto-volume anomalies in Er2Fe17 compound

dc.contributor.authorÁlvarez Alonso, Pablo 
dc.contributor.authorGorría Korres, Pedro 
dc.contributor.authorSánchez Marcos, Jorge
dc.contributor.authorPuente Orench, Inés
dc.contributor.authorRodríguez Velamazán, José Alberto
dc.contributor.authorCuello, Gabriel Julio
dc.contributor.authorSánchez Llamazares, José Luis 
dc.contributor.authorBlanco Rodríguez, Jesús Ángel
dc.identifier.citationJournal of Physics. Conference Series, 325(1), p. 1-5(2011); doi:10.1088/1742-6596/325/1/012011spa
dc.description5th Meeting of the Spanish Neutron Scattering Associationen
dc.description.abstractNeutron powder diffraction shows that the intermetallic Er2Fe17 compound with hexagonal crystal structure has a ferrimagnetic ground state (TC = 303 K). At T = 5 K the magnetic moments of Fe sublattice (μ ~ 2 μB) are therefore antiparalell to those of the Er one (μ ~ 9 μB), all of them lying on the basal plane. This compound exhibits strong magnetovolume effects up to temperatures in the vicinity of TC. Neutron thermo-diffraction experiments also show an anomalous temperature dependence of the cell volume, including a negative thermal expansion coefficient below 300 K. In addition, a positive spontaneous volume magnetostriction is observed up to T ~ 400 K, with a maximum (ωS ~ 0.02) located at T = 5 K.eng
dc.format.extentp. 1-5spa
dc.publisherInstitute of Physics Publishing (IOP Publishing)
dc.relation.ispartofJournal of Physics. Conference Seriesspa
dc.rights(c) IOP Publishing
dc.rightsCC Reconocimiento – No comercial – Sin obras derivadas 4.0 Internacional
dc.titleMagnetic structure and magneto-volume anomalies in Er2Fe17 compoundeng

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