Document Type

Article

Publication Date

2-1-2019

Abstract

The adiabatic temperature change (Δ Tad) in Ni45Mn43CoSn11 has been measured by a direct method in magnetic field changes up to 14 T. Large reversible magnetocaloric effects resulting in Δ Tad of about =-11 and 5 K have been observed for magnetic field changes of 14 T at the magnetostructural (TA ∼ 260 K) and magnetic transitions (TC ∼ 320 K), respectively. The impact of the thermomagnetic history on Δ Tad at high magnetic fields has been reported. The significant observed changes in the relaxation time of Δ Tad, depending on the type of the phase transitions, magnetization, and demagnetization cycle are discussed.

Publication Source (Journal or Book title)

IEEE Transactions on Magnetics

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