The Adiabatic Temperature Changes in the Vicinity of the First Order Paramagnetic-Ferromagnetic Transition of the Ni-In-Mn-B Systemстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Themagnetocaloric properties of Ni-Mn-In-BHeusler alloy have been studied using directmeasurements of the adiabatic temperature
change , and indirectly by magnetization ( ), differential scanning calorimetry, and specific heat
measurements. The presence of a first-order ferromagnetic-paramagnetic transition has been detected for Ni Mn In B at 320 K.
The magnetocaloric parameters, i.e., the magnetic entropy change, – J/kgK, and the adiabatic temperature change,
– K, have been evaluated for T from and M(T,H), and from and direct
measurements, respectively, in the vicinity of the first-order transition temperature. The extracted magnetocaloric parameters
are comparable to that of Gd.