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Magnetic structure and magneto-volume anomalies in Er(2)Fe(17) compound | |
Pablo Álvarez-Alonso Pedro Gorria Jose Alberto RODRIGUEZ VELAMAZAN Gabriel Cuello JOSE LUIS SANCHEZ LLAMAZARES Jesús Angel Blanco Rodríguez | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
https://doi.org/10.1088/1742-6596/325/1/012011 | |
"Neutron powder diffraction shows that the intermetallic Er(2)Fe(17) compound with hexagonal crystal structure has a ferrimagnetic ground state (T(C) = 303 K). At T = 5 K the magnetic moments of Fe sublattice (mu similar to 2 mu(B)) are therefore antiparalell to those of the Er one (mu similar to 9 mu(B)), all of them lying on the basal plane. This compound exhibits strong magneto-volume effects up to temperatures in the vicinity of T(C). 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 similar to 400 K, with a maximum (omega(S) similar to 0.02) located at T = 5 K." | |
IOP Publishing | |
2011 | |
Artículo | |
Inglés | |
Público en general | |
Pablo Álvarez et al 2011 J. Phys.: Conf. Ser. 325 012011 https://doi.org/10.1088/1742-6596/325/1/012011 | |
FÍSICA | |
Versión publicada | |
publishedVersion - Versión publicada | |
Aparece en las colecciones: | Publicaciones Científicas Nanociencias y Materiales |
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JPhysConfSer325(2011)012011.pdf | 1.62 MB | Adobe PDF | Visualizar/Abrir |