Probing magnetic short-range order in the paramagnetic regime of (Mn,Fe)2(P,Si) magnetocaloric compounds
(Mn,Fe)2(P,Si) compounds show a giant magnetocaloric effect (GMCE) at the first-order paramagnetic-ferromagnetic phase transition, making them one of the most promising candidates for room-temperature magnetic refrigeration application. Previous magnetic susceptibility measurements led to the identification of magnetic short-range order in the paramagnetic state. Understanding the nature of short-range order is essential for clarifying the magnetic phase transition and the GMCE in (Mn,Fe)2(P,Si) compounds. 'xyz' neutron polarization analysis is well suited to study the nature of the magnetic short-range order as well as their spin dynamics in (Mn,Fe)2(P,Si) magnetocaloric compounds.
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BRUCK Ekkes; CEDERVALL Johan; MIAO Xuefei; NORDBLAD Per; SAHLBERG Martin and WILDES Andrew. (2014). Probing magnetic short-range order in the paramagnetic regime of (Mn,Fe)2(P,Si) magnetocaloric compounds. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-53-245
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