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Influence of particle size on the magnetocaloric properties of Mn1.30Fe0.65P0.5Si0.5 powders.

Number: pap. 127

Author(s) : BARTOK A., KUEPFERLING M., CURCIO C., et al.

Summary

We present the results of an experimental investigation on the magnetocaloric properties of Mn1.30Fe0.65P0.5Si0.5 powders with different average particle sizes. Specific heat capacity under magnetic field cp(H,T) and magnetic field induced isothermal entropy change ?siso(H,T) were measured by Peltier calorimetry. Thermal hysteresis is found to decreases with the particle size, but the refrigerant performance, evaluated by using the product ?siso ?Tad of the isothermal entropy change ?siso and the adiabatic temperature change ?Tad , has only slight dependence on the particle size.

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Details

  • Original title: Influence of particle size on the magnetocaloric properties of Mn1.30Fe0.65P0.5Si0.5 powders.
  • Record ID : 30019383
  • Languages: English
  • Source: 7th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
  • Publication date: 2016/09/11
  • DOI: http://dx.doi.org/10.18462/iir.thermag.2016.0127

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