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A high-sensitivity differential scanning calorimeter with magnetic field for magnetostructural transitions
Marcos, Jordi; Casanova i Fernàndez, Fèlix; Batlle Gelabert, Xavier; Labarta, Amílcar; Planes Vila, Antoni; Mañosa, Lluís
Universitat de Barcelona
We have developed a differential scanning calorimeter capable of working under applied magnetic fields of up to 5 T. The calorimeter is highly sensitive and operates over the temperature range 10¿300 K. It is shown that, after a proper calibration, the system enables determination of the latent heat and entropy changes in first-order solid¿solid phase transitions. The system is particularly useful for investigating materials that exhibit the giant magnetocaloric effect arising from a magnetostructural phase transition. Data for Gd5(Si0.1Ge0.9)4 are presented.
Calorímetres
Sòlids
Entropia
Termoelectricitat
Calorimeters
Solids
Entropy
Thermoelectricity
(c) American Institute of Physics, 2003
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info:eu-repo/semantics/publishedVersion
American Institute of Physics
         

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