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Magnetocaloric effect and refrigerant capacity in polycrystalline YCrO3

Title
Magnetocaloric effect and refrigerant capacity in polycrystalline YCrO3
Type
Article in International Scientific Journal
Year
2016
Authors
Oliveira, GNP
(Author)
FCUP
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Machado, P
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Pires, AL
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araujo, j. p.
(Author)
FCUP
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Lopes, AML
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Journal
Vol. 91
Pages: 182-188
ISSN: 0022-3697
Publisher: Elsevier
Other information
Authenticus ID: P-00K-4TM
Abstract (EN): Rare earth orthochromites (RCrO3) have attracted much interest in recent years due to their physical properties which arise from the orthorhombically distorted perovskite structure. They also show great potential application as multifunctional materials. In this work we present the results of structural, dc magnetisation measurements and magnetocaloric properties for YCrO3 hard magnet. The magnetocaloric effect was investigated by means of field dependence magnetisation measurements in a temperature range from 98 K to 182 K. The magnetic entropy change, -Delta S-M = 036J kg(-1) K-1, and the refrigerant capacity, R-C = 7.1 J kg(-1), was obtained near the transition temperature T-N = 140 K, for applied fields up to 50 kOe.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 7
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