Antiferromagnetic ordering in magnetic ionic liquid Emim[FeCl4]

被引：45

作者：

de Pedro, I. ^{[1
]}

Rojas, D. P. ^{[1
]}

Blanco, Jesus A. ^{[2
]}

Rodriguez Fernandez, J. ^{[1
]}

机构：

[1] Univ Cantabria, Fac Ciencias, CITIMAC, E-39005 Santander, Spain

[2] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2011年 / 323卷 / 10期

关键词：

Ionic liquids; Magnetic ionic Liquids; Magnetic properties; Raman spectroscopy; Emim[FeCl4; Antiferromagnetic ordering; SCATTERING; CATION; SALT;

D O I：

10.1016/j.jmmm.2010.11.016

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

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 T-N approximate to 3.8 K. In addition, the shape of the magnetic ordering depends on the cooling speed, indicating that the magnetic coupling could be modified. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1254 / 1257

页数：4

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