Please use this identifier to cite or link to this item: http://elar.urfu.ru/handle/10995/112147
Title: Electronic Entropy Change in Ni-doped FeRh
Authors: Pérez, N.
Chirkova, A.
Skokov, K. P.
Woodcock, T. G.
Gutfleisch, O.
Baranov, N. V.
Nielsch, K.
Schierning, G.
Issue Date: 2019
Publisher: Elsevier Ltd
Elsevier BV
Citation: Electronic Entropy Change in Ni-doped FeRh / N. Pérez, A. Chirkova, K. P. Skokov et al. // Materials Today Physics. — 2019. — Vol. 9. — 100129.
Abstract: The net entropy change corresponding to the free charge carriers in a Ni-doped FeRh bulk polycrystal was experimentally evaluated in a single sample using low-temperature heat capacity experiments with applied magnetic field and using Seebeck effect and Hall coefficient measurements at high temperatures across the first-order phase transition. From the heat capacity data, a value for the electronic entropy change ΔSel≈8.9 J kg−1K−1 was extracted. The analysis of the Seebeck coefficient allows tracing the change of the electronic entropy jump with applied magnetic field directly across the transition. The difference in electronic entropy contribution obtained is as high as 10% from 0.1 to 6 T. © 2019 Elsevier Ltd.
Keywords: BINARY ALLOYS
CARRIER MOBILITY
IRON ALLOYS
MAGNETIC FIELDS
RHODIUM ALLOYS
SEEBECK EFFECT
SPECIFIC HEAT
TEMPERATURE
APPLIED MAGNETIC FIELDS
ELECTRONIC ENTROPY
FIRST-ORDER PHASE TRANSITIONS
FREE CHARGE CARRIERS
HALL COEFFICIENT MEASUREMENTS
HEAT-CAPACITY DATA
HIGH TEMPERATURE
LOW TEMPERATURE HEAT CAPACITIES
ENTROPY
URI: http://elar.urfu.ru/handle/10995/112147
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85071723868
PURE ID: 11113094
ISSN: 2542-5293
DOI: 10.1016/j.mtphys.2019.100129
metadata.dc.description.sponsorship: The authors thank Dr. Sebastian Fahler for insightful discussions. TU Darmstadt acknowledges funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant no. 743116 project Cool Innov).
CORDIS project card: H2020: 743116
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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