Bulk Transition Elements Based Materials for Magnetic Cooling Application

Ballı, M.; Sari, Osmann; Zamni, L.; Robert, Aymeric; Forchelet, J.; Fruchart, D.

doi:10.4028/www.scientific.net/ssp.170.248

Cited by 4 publications

(1 citation statement)

References 18 publications

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“…In addition, the magnetocaloric materials will be frequently in contact with air during the production, storage and recycling phases, which also favors their oxidation. In order to address these issues, several works regarding the chemical stability of magnetocaloric materials were recently reported in the literature [186][187][188][189][190][191][192][193][194][195] . oxidant Noxal enables to completely protect the tested materials and reduces the mass loss to zero even after a long time immersion (see Fig.16-b).…”

Section: Magnetocaloric Materials and Stability Issuesmentioning

confidence: 99%

Advanced materials for magnetic cooling: Fundamentals and practical aspects

Ballı

Jandl

Fournier

et al. 2017

Applied Physics Reviews

241

123

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International audienceOver the last two decades, the research activities on magnetocalorics have been exponentially increased, leading to the discovery of a wide category of materials including intermetallics and oxides. Even though the reported materials were found to show excellent magnetocaloric properties on a laboratory scale, only a restricted family among them could be upscaled toward industrial levels and implemented as refrigerants in magnetic cooling devices. On the other hand, in the most of the reported reviews, the magnetocaloric materials are usually discussed in terms of their adiabatic temperature and entropy changes (ΔTad and ΔS), which is not enough to get more insight about their large scale applicability. In this review, not only the fundamental properties of the recently reported magnetocaloric materials but also their thermodynamic performance in functional devices are discussed. The reviewed families particularly include Gd1-xRx alloys, LaFe13-xSix, MnFeP1-xAsx, and R1-xAxMnO3 (R=lanthanide and A=divalent alkaline earth)–based compounds. Other relevant practical aspects such as mechanical stability, synthesis, and corrosion issues are discussed. In addition, the intrinsic and extrinsic parameters that play a crucial role in the control of magnetic and magnetocaloric properties are regarded. In order to reproduce the needed magnetocaloric parameters, some practical models are proposed. Finally, the concepts of the rotating magnetocaloric effect and multilayered magnetocalorics are introduced

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