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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Current Trends in Magnetocaloric Materials: An FMD Symposium in Honor of Ekkes Brueck
Sponsorship
Organizer(s) Victorino Franco, Universidad de Sevilla
Frank Johnson, Niron Magnetics, Inc.
Scope Submissions to this symposium are by invitation only.

The magnetocaloric effect, i.e. the reversible temperature change of a magnetic material upon application/removal of a magnetic field, is a topic of current scientific interest due to its potential application for magnetic refrigeration and thermomagnetic energy conversion. These applications are environmental friendly due to the absence of ozone-depleting or green house effect gas, combined with the possibility of achieving increased energy efficiency.

One of the limiting factors for the commercialization of magnetic refrigerators is connected to the current limitations of magnetocaloric materials: In order to achieve large (giant) magnetic entropy change and adiabatic temperature change, materials should exhibit a first order phase transition. However, this comes with the price of thermal hysteresis, coexistence of phases and limited time response of the transformation kinetics. The optimization of magnetocaloric materials passes through a combination of efforts that include development of experimental techniques, modeling of materials’ properties, prediction of potentially useful alloys and compounds and synthesis of the same.

Characterization techniques should be improved in order to allow us to increase the throughput of reliable results by a) decreasing the amount of sample required to perform measurements, b) increase the speed of the characterization technique, or c) reduce the temperature and field spans needed for obtaining valid results. In addition, thermal hysteresis, dynamic response and transformation kinetics should be properly characterized and understood in order to be able to improve the applicability of materials under real operating conditions. The search for new magnetocaloric compositions require the use of both ab-initio and phenomenological models in order to predict potential candidates with a large magnetocaloric response for the synthesis of the materials. Finally, magnetocaloric alloys and compounds should avoid, as much as possible, critical or strategic materials, so that the technologies based on this effect are sustainable.

This symposium will encompass all these aspects of magnetocaloric research, combining the state of the art of theory and experiment, ranging from materials design to device implementation, passing through issues related to sustainability. Closely related effects, like barocaloric, elastocaloric and electrocaloric materials will also be considered.
Abstracts Due 08/01/2019
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

CaloriSMART – a new tool for rapid experimental evaluation of active magnetic regenerator materials
Energy harvesting using thermomagnetic generators with magnetocaloric materials
Ferromagnetic shape memory Heuslers: from bulk to nano
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
Magnetism and magnetocalorics of Fe2P and related alloys
Magneto-structural transformation and hysteresis in materials with first-order transitions
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
Some recent results on MnFe(P,Si) and Eu2In giant magnetocaloric materials
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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