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Determination of the magnetocaloric effect from thermophysical parameters and their relationships near magnetic phase transition in doped manganites
- Author(s)
- Gamzatov, A. G., Batdalov, A. B., Aliev, A. M., Yen, P. D. H., Gudina, S., V, Neverov, V. N., Thanh, T. D., Dung, N. T., Yu, S-C, Kim, D-H, Phan, M. H.
- Issued Date
- 2020-11
- Citation
- JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, v.513, pp.167209
- Abstract
- We present the results of a comparative analysis of the magnetocaloric effect (MCE) in Pr(0.7)Sr(0.2)Ca(0.1)NnO(3), through direct and indirect measurements, using experimentally measured magnetization, specific heat, magnetostriction, resistivity, thermal diffusivity and thermal conductivity parameters. We have demonstrated that the change in each parameter in response to a magnetic field near the ferromagnetic-paramagnetic phase transition temperature of the material correlates with the change in magnetic entropy. These findings allow us to interrelate these parameters and provide an alternative, effective approach for accessing the usefulness of magnetocaloric materials.
- Publisher
- ELSEVIER
- ISSN
- 0304-8853
- Keyword (Author)
- Manganites, Magnetic entropy change, Magnetoresistance, Magnetostriction, Thermal diffusivity, Thermal conductivity
- Keyword
- THERMAL-CONDUCTIVITY, HEAT, MAGNETORESISTANCE, SCATTERING
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