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Recent progress in magnetocaloric effect: mechanisms and potential applications.

Number: sect. 1

Author(s) : TISHIN A. M., SPICHKIN Y. I.

Summary

Recent results in understanding of the magnetocaloric effect (MCE) mechanisms in the framework of thermodynamic approach are regarded and discussed. Importance of the relation between magnetic entropy change at constant temperature and magnetic entropy change at constant field and its influence on MCE value is considered. The main contributions to the MCE are discussed. The importance of further development of models of interactions between magnetic and structural subsystems in vicinity of magnetic phase transitions is stressed. It is stated that the present level of MCE parameters (in particular, adiabatic temperature change) can be increased up to 3 times. The necessity of investigation of MCE parameters in dynamic mode and development of new experimental methods and apparatuses for MCE measurements is discussed. The most obvious application for MCE for today is magnetic refrigeration, but MCE also can be used for other applications such as medicine (hyperthermia, drug delivering), etc., which are regarded.

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Pages: 89-99

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Details

  • Original title: Recent progress in magnetocaloric effect: mechanisms and potential applications.
  • Record ID : 30005456
  • Languages: English
  • Source: 5th International Conference on Magnetic Refrigeration at Room Temperature (Thermag V). Proceedings: Grenoble, France, September 17-20, 2012.
  • Publication date: 2012/09/17

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