The magnetocaloric effect in the Fe49Rh51 alloy was systematically studied using three different approaches: in-field differential scanning calorimetry, standard direct measurement of the adiabatic temperature change, and a non-contact method based on a thermo-optical phenomenon, the mirage effect, which was able to directly test the magnetocaloric response induced by a fast magnetic field variation. The metamagnetic phase transition of Fe49Rh51 was studied in the temperature range of 290–330 K at magnetic fields up to 1.8 T through magnetic and calorimetric measurements. The estimated parameters of phase transition were comparable with the literature data. The values of adiabatic temperature change obtained with the three methods (calorimetry, standard direct measurement, and mirage-based technique), which explore three different time scales of the field variation (static field, 1 T s−1, 770 T s−1), were consistent, proving the absence of dynamic constraints in the first-order magnetostructural transition at the maximum field sweep rate.
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21 June 2020
Research Article|
June 17 2020
Direct measurements of the magnetocaloric effect of Fe49Rh51 using the mirage effect
Special Collection:
Multicalorics
A. A. Amirov
;
A. A. Amirov
a)
1
Laboratory of Novel Magnetic Materials, Institute of Physics, Mathematics and Information Technology, Immanuel Kant Baltic Federal University
, Kaliningrad 236013, Russia
2
Amirkhanov Institute of Physics of Dagestan Federal Research Center, Russian Academy of Sciences
, Makhachkala 367003, Russia
a)Author to whom correspondence should be addressed: amiroff_a@mail.ru
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F. Cugini
;
F. Cugini
3
Department of Mathematical, Physical and Computer Sciences, University of Parma
, Parco Area delle Scienze 7/A, 43124 Parma, Italy
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A. P. Kamantsev
;
A. P. Kamantsev
1
Laboratory of Novel Magnetic Materials, Institute of Physics, Mathematics and Information Technology, Immanuel Kant Baltic Federal University
, Kaliningrad 236013, Russia
4
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
, 11/7 Mokhovaya Str., 125009 Moscow, Russia
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T. Gottschall
;
T. Gottschall
5
Dresden High Magnetic Field Laboratory (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf
, D-01328 Dresden, Germany
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M. Solzi;
M. Solzi
3
Department of Mathematical, Physical and Computer Sciences, University of Parma
, Parco Area delle Scienze 7/A, 43124 Parma, Italy
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A. M. Aliev
;
A. M. Aliev
1
Laboratory of Novel Magnetic Materials, Institute of Physics, Mathematics and Information Technology, Immanuel Kant Baltic Federal University
, Kaliningrad 236013, Russia
2
Amirkhanov Institute of Physics of Dagestan Federal Research Center, Russian Academy of Sciences
, Makhachkala 367003, Russia
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Yu. I. Spichkin;
Yu. I. Spichkin
6
Advanced Magnetic Technologies and Consulting LLC
, 142190, Promyshlennaya 4, Troitsk, Russia
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V. V. Koledov;
V. V. Koledov
4
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
, 11/7 Mokhovaya Str., 125009 Moscow, Russia
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V. G. Shavrov
V. G. Shavrov
4
Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
, 11/7 Mokhovaya Str., 125009 Moscow, Russia
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a)Author to whom correspondence should be addressed: amiroff_a@mail.ru
Note: This paper is part of the Special Topic on: Multicalorics.
J. Appl. Phys. 127, 233905 (2020)
Article history
Received:
March 03 2020
Accepted:
May 31 2020
Citation
A. A. Amirov, F. Cugini, A. P. Kamantsev, T. Gottschall, M. Solzi, A. M. Aliev, Yu. I. Spichkin, V. V. Koledov, V. G. Shavrov; Direct measurements of the magnetocaloric effect of Fe49Rh51 using the mirage effect. J. Appl. Phys. 21 June 2020; 127 (23): 233905. https://doi.org/10.1063/5.0006355
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