The Effect of Magnetic Domains on the Measurement of the Magnetocaloric effect

Christian R.H. Bahl, Anders Smith, Kaspar Kirstein Nielsen

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Abstract

We discuss how magnetic domains influence the magnetic entropy change calculated from magnetisation data. In a simple qualitative model we show that the effect is to change the shape of the apparent isothermal entropy change curve compared to the true curve determined by the entropy. We further show that failure to correct for the magnetostatic demagnetisation will augment the apparent effect of domains.
Original languageEnglish
Title of host publicationProceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration
Number of pages2
PublisherInternational Institute of Refrigeration
Publication date2014
Publication statusPublished - 2014
Event6th IIR/IIF International Conference on Magnetic Refrigeration - Fairmont Empress Conference Center, Victoria, Canada
Duration: 7 Sep 201410 Sep 2014
http://www.iesvic.uvic.ca/events/ThermagVI/

Conference

Conference6th IIR/IIF International Conference on Magnetic Refrigeration
LocationFairmont Empress Conference Center
CountryCanada
CityVictoria
Period07/09/201410/09/2014
Internet address

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