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Capacités thermiques d'éventuels matériaux régénérateurs à des basses températures.

Heat capacities of potential regenerator materials at low temperatures.

Auteurs : TANAEVA I. A., IKEDA H., BOKHOVEN L. J. A. van, et al.

Résumé

Several samples of GdAlO3 and related rare-earth oxide magnetic materials were developed and investigated between 1.5 and 10 K. These materials have large magnetic moments and most of them exhibit a magnetic phase transition below 4 K. The heat capacities of the samples have been measured with the adiabatic heat-pulse method. The dependence of the heat capacity on the preparation temperature has been studied. The results of the measurements are presented. The possibility of using these materials as regenerator materials in cryocoolers, e.g. pulse-tube refrigerators, is discussed.

Détails

  • Titre original : Heat capacities of potential regenerator materials at low temperatures.
  • Identifiant de la fiche : 2006-0034
  • Langues : Anglais
  • Source : Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Date d'édition : 22/07/2002

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