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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/4738

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
Brück, E
Keywords: NEUTRON DIFFRACTION
IRON
MANGANESE
CRYSTALS
STABILIZATION
SILICON
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., & Brück, 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 μB/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 1/3 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. © 2013, Elsevier Ltd.
URI: http://dx.doi.org/10.1016/j.jmmm.2013.03.028
http://apo.ansto.gov.au/dspace/handle/10238/4738
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