oaioai:ir.nimte.ac.cn/:174433/343

Magnetocaloric effect in NaZn13-type La(1-)PrxFe(11.44)Si(1.56) melt-spun ribbons

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Publication date
9 June 2010
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Abstract

The influence of Pr content on structure, magnetic properties, and magnetic entropy changes of La1-xPrxFe11.44Si1.56 was investigated. X-ray diffraction analysis showed that the 1: 13 phase with cubic NaZn13-type structure was obtained by a short time annealing (1300 K and 3 h) in melt-spun ribbons, which in contrast requires much longer time annealing at high temperature to develop in the bulk alloy. The field-induced first-order transition was observed in the as-annealed ribbons, leading to the large magnetic entropy changes. The maximum magnetic entropy changes under a magnetic field of 5 T were about 14.3, 19.2, and 19 J/kg K for the ribbons with x=0, 0.1, and 0.2, respectively. (C) 2010 American Institute of Physics

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Institutional Repository of Ningbo Institute of Material Technology & Engineering, CAS

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oaioai:ir.nimte.ac.cn/:174433/343
Last time updated on 22/01/2018

This paper was published in Institutional Repository of Ningbo Institute of Material Technology & Engineering, CAS.

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