Reversible room-temperature magnetocaloric effect with large temperature span in antiperovskite compounds Ga1-xCMn3+x (x=0, 0.06, 0.07, and 0.08)

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dc.creatorWang, B. S.
dc.creatorTong, P.
dc.creatorSun, Y. P.
dc.creatorZhu, X. B.
dc.creatorLuo, X.
dc.creatorLi, G.
dc.creatorSong, W. H.
dc.creatorYang, Z. R.
dc.creatorDai, J. M.
dc.date2009-05-12
dc.date2009-05-18
dc.date.accessioned2026-07-07T13:15:31Z
dc.date.available2026-07-07T13:15:31Z
dc.descriptionThe magnetic and magnetocaloric properties of Ga1-xCMn3+x have been investigated. Reversible magnetocaloric effect (MCE) occurs near the Curie temperature TC. The magnetic entropy change decreases with increasing x, though TC and magnetization increases. Meanwhile, the temperature span of vs. T plot becomes well broadened with x. Due to the competition between the broadening temperature span and decreasing, the relative cooling power (RCP) increases initially, and then decreases with increasing x. The largest RCP (2.1 J/cm3, under 45 kOe) observed when x=0.07 (TC = 296.5 K) is comparable to the contemporary magnetic refrigerant materials. Considering the reversible MCE, inexpensive and innoxious raw materials, our result suggests that Ga1-xCMn3+x can be promising candidate for magnetic refrigeration around room temperature.
dc.description14 pages, 10 figure
dc.identifierhttps://arxiv.org/abs/0905.1777
dc.identifierhttp://arxiv.org/abs/0905.1777
dc.identifierJournal of Applied Physics, 105 (2009) 083907
dc.identifierdoi:10.1063/1.3108535
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230491
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleReversible room-temperature magnetocaloric effect with large temperature span in antiperovskite compounds Ga1-xCMn3+x (x=0, 0.06, 0.07, and 0.08)
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