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Antiferromagnetic ordering in magnetic ionic liquid Emim[FeCl4]

Abstract: The magnetic ionic liquids (MILs) are considered to open up a wide range of applications because of their magnetic and electrochromic switching. Until recently almost all magnetic ionic liquids containing tetrachloroferrate ion FeCl4? evidenced a paramagnetic temperature dependence of the magnetic susceptibility, with only small deviations from the Curie law at low temperatures. However, 1-ethyl-3-methylimidazolium tetrachloroferrate, Emim[FeCl4], clearly exhibits a long-range antiferromagnetic ordering below the Neel temperature TN?3.8 K. In addition, the shape of the magnetic ordering depends on the cooling speed, indicating that the magnetic coupling could be modified.

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 Autoría: De Pedro I., Rojas D.P., Blanco J.A., Fernández J.R.,

 Congreso: International Conference on Magnetic Fluid (12º : 2010 : Sendai, Japón)

 Editorial: Elsevier

 Año de publicación: 2011

 Nº de páginas: 4

 Tipo de publicación: Comunicación a Congreso

 DOI: 10.1016/j.jmmm.2010.11.016

 ISSN: 0304-8853,1873-4766

 Proyecto español: MAT 2008- 06542-c04

 Url de la publicación: https://doi.org/10.1016/j.jmmm.2010.11.016