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Duc, N.H., Thanh, T.D., Tam, L.T.T., Tuan, B.M., Thanh, P.T., Yen, N.H., Long, P.T. and Dan, N.H. (2010) Study on Synthesis, Structure and Magnetocaloric Properties of CoMn1-xFexSi Alloys. Presented at the 5th International Workshop on Advanced Materials Science and Nanotechnology, Ha Noi.

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• TITLE: Critical Parameters and Magnetocaloric Effect of the La5/8Ca3/8Mn0.9750Pd0.025O3 Compound

  AUTHORS: L. V. Bau, N. M. An

  KEYWORDS: Magnetocaloric, Critical Parameters, Perovskite

  JOURNAL NAME: Materials Sciences and Applications, Vol.5 No.12, October 21, 2014

  ABSTRACT: The La5/8Ca3/8Mn0.9750Pd0.025O3 compound was studied using DC magnetization measurements. The data were analyzed in the paramagnetic-ferromagnetic phase transition region by the Arrott plot method. The results show the Curie temperature TC ~ 247.8 K and the critical exponents of b = 0.48633, g = 1.18623 and d = 3.431682. The values of the critical exponents are between the mean- field theory and 3D Ising model. The magnetocaloric value is ~5 J/kgK, extracted from the M(H) curves.