The effects of long-range magnetic correlations on the magnetocaloric effect in Fe2P
Compounds based on Fe2P, such as (Fe,Mn)2(P,Si), are among the most promising candidates for magnetic refrigeration around room temperature. An area of research that has potential to reduce the amount of energy necessary for refrigeration. Fe2P is especially well suited, since substitutions to Fe1-xMnxP1-ySiy yields tuneability of both the ferromagnetic transition and magnetic moment of the compound. Fe2P based compounds can also give high refrigeration capacities without the use of rare earth elements. Therefore, the compound Fe2P is an excellent model system to understand the transitions that occur in Fe2P based compounds. Previous studies have shown fluctuations in the magnetic structure and appearances of magnetic domains close to the magnetic transition. This would be ideal to study with small angle neutron scattering (in the region of 0.01 - 1.0 Å-1) as it covers the length scales of the observed magnetic domains.
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CEDERVALL Johan; Mikael Svante Andersson; DEEN Pascale Petronella and STEINKE Nina-Juliane. (2021). The effects of long-range magnetic correlations on the magnetocaloric effect in Fe2P. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2754
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