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Low Temperature Magnetic Ordering of the Magnetic Ionic Plastic Crystal, Choline[FeCl4]

Abstract: We report on the nature of the low temperature magnetic ordering of a magnetic ionic plastic crystal, Choline[FeCl4]. This investigation was carried out using heat capacity measurements, neutron diffraction experiments and muon spin relaxation (µSR) spectroscopy. The calorimetric measurements show the onset of an unusual magnetic ordering below 4 K with a possible second magnetic phase transition below 2 K. Low temperature neutron diffraction data reveal a three dimensional antiferromagnetic ordering at 2 K compatible with the previous magnetometry results. The analysis of µSR spectra indicates a magnetic phase transition below 2.2 K. At 1.6 K, the analysis of the shape of the µSR spectra suggests the existence of an additional magnetic phase with features of a possible incommensurate magnetic structure.

 Congreso: Reunión de la Sociedad Española de Técnicas Neutrónicas (7ª : Pamplona : 2014)

 Fuente: Journal of Physics: Conference Series, Volume 663, conference 1

Editorial: Institute of Physics

 Año de publicación: 2015

Nº de páginas: 5

Tipo de publicación: Artículo de Revista

 DOI: 10.1088/1742-6596/663/1/012012

ISSN: 1742-6588,1742-6596

Url de la publicación: http://iopscience.iop.org/article/10.1088/1742-6596/663/1/012012

Autores/as

ABEL GARCIA SAIZ

ANDREICA, D.

FERNÁNDEZ-DÍAZ, M. T.

JESUS ANGEL BLANCO RODRIGUEZ