Magnetic behaviour of (C2H5NH3)2CuCl4 type multiferroic

•Possible change of metal ions and organic blocks in layered metal-organic perovskites.•Magnetic anisotropy and transitions from Heisenberg 2D to 3D and to Ising 3D magnet.•Changes of magnetization at temperatures of structural transformations. Metal organic compound (C2H5NH3)2CuCl4 belongs to the f...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2019-06, Vol.479, p.144-148
Main Authors: Šenjug, Pavla, Dragović, Jure, Kalanj, Matija, Torić, Filip, Rubčić, Mirta, Pajić, Damir
Format: Article
Language:English
Subjects:
Anisotropy
Antiferromagnetism
Crossovers
Ferromagnetic materials
Hysteresis loops
Layered metalorganic complexes
Magnetic anisotropy
Magnetic permeability
Magnetic phase transitions
Magnetic properties
Magnetism
Magnetization
Magnetoelectric effect
Multiferroic materials
Multiferroics
Organometallic compounds
Perovskites
Superconducting quantum interference devices
Temperature
Temperature dependence
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Summary:•Possible change of metal ions and organic blocks in layered metal-organic perovskites.•Magnetic anisotropy and transitions from Heisenberg 2D to 3D and to Ising 3D magnet.•Changes of magnetization at temperatures of structural transformations. Metal organic compound (C2H5NH3)2CuCl4 belongs to the family of layered perovskite multiferroic materials. It consists of ferromagnetic layers of corner sharing [CuCl4]2− octahedra connected by organic ions (two layers of [C2H5NH3]+). In this work we have studied magnetic properties of (C2H5NH3)2CuCl4 using SQUID magnetometer and AC susceptometer. Temperature dependence of magnetization showed existence of the antiferromagnetic transition at 10.2 K which changes to ferromagnetic with the application of moderate magnetic field. Near structural transition temperatures the anomaly of magnetization was observed. Hysteresis loops showed ferromagnetic behaviour for T
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2019.02.020