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Author (up) Sereni, J.G. url  doi
  Title Thermomagnetic properties of very heavy fermions suitable for adiabatic demagnetisation refrigeration at low temperature Type Journal Article
  Year 2020 Publication Philosophical Magazine Abbreviated Journal Philos. Mag.  
  Volume 100 Issue 10 Pages 1211  
  Keywords Magnetic refrigeration; heavy fermions; entropy; frustration; specific heat  
  Abstract With the aim to improve the performance of classical paramagnetic salts for adiabatic refrigeration processes at the sub-Kelvin range, relevant thermodynamic parameters of some new Yb-based intermetallic compounds are analysed and compared. Two main applications are considered: (i) those requiring temperature fixed-points to be reached applying magnetic fields of moderate intensity for satellite applications, and (ii) those which can be used for controlled thermal drifts in laboratory applications. Different thermomagnetic trajectories of the entropy are identified depending on respective specific heat behaviours and the constraints imposed by the Nernst postulate at the sub-Kelvin range. Some simple relationships are proposed to compare the diverse magnetocaloric characteristics of different systems. This procedure allows to include the classical Cerium-Magnesium-Nitride (CMN) salt in that comparison.  
  Corporate Author Thesis  
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  Language Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1478-6435 ISBN Medium  
  Area Expedition Conference  
  Notes Special Issue in Honour of M. Brian Maple Approved no  
  Call Number BT @ pedrazp @ Serial 862  
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