Abstract
A large reversible negative magnetic-entropy change Δ SM has been observed in TbCoC2, accompanied by a second-order phase transition at 28 K. The maximum value of -Δ SM is 15.3 J kg-1 K-1 at 30 K for a magnetic-field change from 0 to 5 T, with the refrigerant capacity of 354 J kg-1. In particular, also the large -Δ S Mmax of 7.8 J kg-1 K-1, is obtained for a small field change from 0 to 2 T. The large reversible Δ SM and the high reversible refrigerant capacity in low magnetic field indicate that TbCoC 2 may be a promising candidate for magnetic refrigeration at low temperatures. © 2008 American Institute of Physics.
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CITATION STYLE
Li, B., Hu, W. J., Liu, X. G., Yang, F., Ren, W. J., Zhao, X. G., & Zhang, Z. D. (2008). Large reversible magnetocaloric effect in TbCoC2 in low magnetic field. Applied Physics Letters, 92(24). https://doi.org/10.1063/1.2948900
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