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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Current Trends in Magnetocaloric Materials: An FMD Symposium in Honor of Ekkes Brueck
Presentation Title Magnetocaloric Effect in Heusler-type Magnetic Shape Memory Materials
Author(s) Volodymyr Chernenko, Victor Līvov, Eduard Cesari, Jose Manuel Barandiaran
On-Site Speaker (Planned) Volodymyr Chernenko
Abstract Scope Giant magnetocaloric effect (MCE) is observed in the materials exhibiting magnetostructural first order transformation accompanied by a sharp change of magnetic order. The Heusler-type magnetic shape memory alloys (SMAs) represent such kind of materials. They can be tentatively divided into two groups: metamagnetic and ferromagnetic. The metamagnetic SMAs (MetaMSMAs), typically Ni-Mn-X (X=Sn, In, Sb), exhibit inverse giant MCE in the temperature range of martensitic transformation (MT). Ferromagnetic SMAs (FSMAs), prototype is Ni-Mn-Ga, show a giant conventional MCE at MT merged with Curie temperature. Brief overview of the recent experimental results on MCE in both MetaMSMAs and FSMAs will be presented. The emphasis will be given to the results obtained by the adiabatic and heat capacity under magnetic field techniques. The Landau theory of martensitic-type magnetostructural transformations is proposed for the quantitative description of giant MCE and heat capacity in both MetaMSMAs and FSMAs.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

CaloriSMART – A New Tool for Rapid Experimental Evaluation of Active Magnetic Regenerator Materials
Energy Harvesting Using Thermomagnetic Generators with Magnetocaloric Materials
Fe2P an Intriguing Binary Alloy
Giant Barocaloric Effect at the Spin Crossover Transition of a Molecular Crystal
Itinerant-electron Magnetism, Spin-fluctuations, and Magnetocaloric Effect in La(Fe,Si)13-based Magnetocaloric Compounds
Magnetocaloric Effect in Heusler-type Magnetic Shape Memory Materials
Materials for Thermomagnetic Harvesting of Low Temperature Waste Heat
Quantitative Identification of First-order Phase Transitions Using Magnetocaloric Studies
Rare-earth-free Permanent Magnets: The Past and Future
Structure, Magnetisim and Spin Dynamics of Magnetocaloric Mn5-xFexSi3 Compounds
Synchrotron X-ray Studies on Magnetocaloric Materials
The Interplay of Electronic, Magnetic and Lattice Degrees of Freedom in La-Fe-Si-based Magnetocaloric Materials
Tuning Magnetocaloric Materials with Stress
Under Pressure: Probing Magneto-structural Coupling in MCE Materials
Unprecedented Magnetism, Magneto-crystalline Anisotropy, and Magneto-structural Phase Transformation in Rare Earth Containing Materials

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