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

被引：0
|
作者：
de Pedro, I. [1 ]
Garcia-Saiz, A. [1 ]
Andreica, D. [2 ]
Fernandez Barquin, L. [1 ]
Fernandez-Diaz, M. T. [3 ]
Blanco, J. A. [4 ]
Amato, A. [5 ]
Rodriguez Fernandez, J. [1 ]
机构：
[1] Univ Cantabria, Fac Ciencias, CITIMAC, E-39005 Santander, Spain
[2] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania
[3] Inst Laue Langevin, F-38042 Grenoble, France
[4] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain
[5] Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland
来源：
7TH MEETING OF THE SPANISH NEUTRON SCATTERING ASSOCIATION (SETN) | 2015年 / 663卷
关键词：
LIQUID;
D O I：
10.1088/1742-6596/663/1/012012
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
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 (mu SR) 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 mu SR spectra indicates a magnetic phase transition below 2.2 K. At 1.6 K, the analysis of the shape of the mu SR spectra suggests the existence of an additional magnetic phase with features of a possible incommensurate magnetic structure.
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页数：5
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