Magnetic Phase Transition and Magnetic Proporties of LaFe11.6Si1.4Bx Compounds

Kun Xie; Yin Liu; Mei Qing Cao; Peng Cheng Xia; Li Jie Yue

doi:10.4028/www.scientific.net/AMR.750-752.919

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Magnetic Phase Transition and Magnetic Proporties...

Magnetic Phase Transition and Magnetic Proporties of LaFe_11.6Si_1.4B_x Compounds

Abstract:

The magnetic phase transition and magnetic entropy change of melt-spun LaFe_11.6Si_1.4B_x(x=0.0, 0.3, 0.5, 0.7) ribbons were investigated by measuring the magnetization as the function of temperature. Comparing with LaFe_11.6Si_1.4, the NaZn₁₃-type structure of LaFe_11.6Si_1.4B_xdid not change after introducing B atoms, while the amount of α-Fe phase in the ribbons significantly decreased. The Curie temperature slightly changes after the addition of B. The LaFe_11.6Si_1.4B_x(x=0.3, 0.5) exhibits first-order magnetic transition and large magnetic entropy change as observed in LaFe_11.6Si_1.4 compound.

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Advanced Materials Research (Volumes 750-752)

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919-922

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https://doi.org/10.4028/www.scientific.net/AMR.750-752.919

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Online since:

August 2013

Authors:

Kun Xie*, Yin Liu, Mei Qing Cao, Peng Cheng Xia, Li Jie Yue

Keywords:

La-Fe-Si Compound, Magnetic Phase Transition, Magnetocaloric Effect, Melt-Spun

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