Influence of Partial Substitution of Fe by Mn on the Thermomagnetic Properties of Magnetocaloric LaFe_{11.2}Co_{0.7}Si_{1.1} Alloy

• Authors: P. Gębara , J. Marcin
• Languages of publication: EN

Abstracts

EN

The aim of this paper was to study the influence of partial substitution of Fe by Mn in the LaFe_{11.2-x}Mn_{x}Co_{0.7}Si_{1.1} (where x=0.1, 0.2 and 0.3) alloys. Measurements revealed that a systematic increase of Mn in the alloy composition resulted in a decrease of the Curie temperature, which correlated with a decrease of the lattice parameter of the La(Fe,Si)₁₃- type phase. For samples corresponding to Mn content x=0.1 and 0.2 a decrease of magnetic entropy change was observed. However in the case of the sample with x=0.3 an increase of magnetic entropy change was detected.

Keywords

EN

75.30.Sg; 75.50.Bb

Discipline

• 75.50.Bb: Fe and its alloys
• 75.30.Sg: Magnetocaloric effect, magnetic cooling(for cryogenics, see 07.20.Mc)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 3
• Pages: 648-650

Dates

published

2018-03

Contributors

author

P. Gębara

• Institute of Physics, Częstochowa University of Technology, Armii Krajowej 19, 42-200 Częstochowa, Poland

author

J. Marcin

• Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia

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Identifiers

DOI

10.12693/APhysPolA.133.648