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Title: Neutron diffraction study on the magnetic structure of Fe2P-based Mn0.66Fe1.29P1-xSix melt-spun ribbons
Authors: Ou, ZQ
Zhang, L
Dung, NH
van Eijck, L
Mulders, AM
Avdeev, M
van Dijk, NH
Bruck, E
Issue Date: 1-Aug-2013
Publisher: Elsevier Science BV
Citation: Ou, Z. Q., Zhang, L., Dung, N. H., van Eijck, L., Mulders, A. M., Avdeev, M., van Dijk, N. H., & Bruck, E. (2013). Neutron diffraction study on the magnetic structure of Fe2P-based Mn0.66Fe1.29P1-xSix melt-spun ribbons. Journal of Magnetism and Magnetic Materials, 340, 80-85.
Abstract: We report on the magnetic and structural properties of Mn0.66Fe1.29P1-xSix melt-spun ribbons with 0.34 <= x <= 0.42 that are promising candidates for high-temperature magnetocaloric applications. A magnetic moment of up to 4.57 mu(B)/f.u. for x=0.34 indicates high magnetic density in the system, which is certainly advantageous for the magnetocaloric effects. Introducing site disorder at the 3g site by replacing 113 of Fe with Mn appears to enhance the magnetic interaction, while the strong magnetoelastic coupling is maintained. This site disorder also shows a stabilizing effect on the hexagonal crystal structure, which is maintained to a high Si content. The moment alignment within the crystallographic unit cell is also affected when the Si content is increased from x=0.34 to 0.42 in the Mn0.66Fe1.29P1-xSix compounds as the canting angle with respect to the c-direction increases. (C) 2013 Elsevier Science B.V.
ISSN: 0304-8853
Appears in Collections:Journal Articles

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