Magnetic lock-in phase transition in Tb0.95Er 0.05Ni5 driven by low magnetic flelds / Lee H., Choi Y.N., Pirogov A.N., Kazantsev V.A., Gerasimov E.G. // Journal of Magnetism and Magnetic Materials. - 2013. - V. 341, l. . - P. 129-132.

ISSN:
03048853
Type:
Article
Abstract:
The magnetic properties of a mixed inter-metallic compound, Tb 0.95Er0.05Ni5, were investigated using a neutron diffraction method at low temperatures. These compounds were known to have a successive magnetic phase transition from the paramagnetic state at high temperature to a lock-in phase at low temperature through intermediate phases, i.e., PM(paramagnetic)-FM(ferromagnetic)-IC(incommensurate)-L(lock-in) in reverse order of temperature. A meta-magnetic phase transition between an IC phase and a FM phase at 9 K was observed with the critical field, HMT ∼200 mT. A new magnetic phase between the new phase (lock-in phase) and an IC phase has been observed. From the field dependence of the Bragg reflections and their satellite peaks at low temperatures (3-12 K), weak field driven first-order magnetic phase transitions were recorded at six fixed temperatures. The critical magnetic field decreases exponentially with the temperature. From these experimental results, we obtained a magnetic phase diagram of Tb 0.95Er0.05Ni5 at a low temperature region for the first time. © 2013 The Authors. Published by Elsevier BY. All rights reserved.
Author keywords:
Incommensurate magnetic structure; Lock-in phase; Magnetic field induced transition; Magnetic transition; Neutron diffraction
Index keywords:
First-order magnetic phase transitions; Incommensurate magnetic structures; Inter-metallic compounds; Lock-in; Low temperature regions; Magnetic field induced transitions; Magnetic phase transitions;
DOI:
10.1016/j.jmmm.2013.04.010
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Affiliations Neutron Science Division, Korea Atomic Energy Research Institute, Daejeon 305-353, South Korea; Institute of Metal Physics of UD of Russian Academy of Sciences, 620990 Ekaterinburg, Russian Federation
Author Keywords Incommensurate magnetic structure; Lock-in phase; Magnetic field induced transition; Magnetic transition; Neutron diffraction
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Correspondence Address Choi, Y.N.; Neutron Science Division, Korea Atomic Energy Research Institute, Daejeon 305-353, South Korea; email: dragon@kaeri.re.kr
CODEN JMMMD
Language of Original Document English
Abbreviated Source Title J Magn Magn Mater
Source Scopus