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  Millisecond direct measurement of the magnetocaloric effect of a Fe2P-based compound by the mirage effect

Cugini, F., Porcari, G., Viappiani, C., Caron, L., dos Santos, A. O., Cardoso, L. P., et al. (2016). Millisecond direct measurement of the magnetocaloric effect of a Fe2P-based compound by the mirage effect. Applied Physics Letters, 108(1): 012407, pp. 1-4. doi:10.1063/1.4939451.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-C5E9-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-7C75-2
Genre: Journal Article

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 Creators:
Cugini, F.1, Author
Porcari, G.1, Author
Viappiani, C.1, Author
Caron, L.2, Author              
dos Santos, A. O.1, Author
Cardoso, L. P.1, Author
Passamani, E. C.1, Author
Proveti, J. R. C.1, Author
Gama, S.1, Author
Bruck, E.1, Author
Solzi, M.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              

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 Abstract: We present direct measurements of the magnetocaloric effect on a Fe2P-based compound induced by a milliseconds pulsed magnetic field of 1 T to test their possible use in high frequency (up to 100 Hz) thermomagnetic cycles. The reported measurements were performed with an innovative and versatile non-contact set up based on the mirage effect. The adiabatic temperature change of a MnFeP0.45As0.55 sample is presented and compared with measurements performed varying the same magnetic field in a time interval of 1 s and 100 ms. These results demonstrate the absence of kinetic constraints in the first-order phase transition of this sample induced on the milliseconds time scale. The study of the materials' response to millisecond magnetic field pulses represents a fundamental test for the development of more powerful and efficient magnetic refrigerators. (C) 2016 AIP Publishing LLC.

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Language(s): eng - English
 Dates: 2016-01-04
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000374313000041
DOI: 10.1063/1.4939451
 Degree: -

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Title: Applied Physics Letters
  Abbreviation : Appl. Phys. Lett.
Source Genre: Journal
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Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 108 (1) Sequence Number: 012407 Start / End Page: 1 - 4 Identifier: Other: 0003-6951
CoNE: /journals/resource/954922836223