Abstract.
A crystal structure of Lu2Fe17 was studied by means of neutron powder diffraction method in the pressure range up to 1.65 GPa and ambient temperature. Modification of the magnetic properties corresponding to the pressure-induced change of the crystal structure of Lu2Fe17 is analysed on the basis of local moment model in the mean field approximation. The experimentally observed suppression of FM state and stabilization of the non-collinear AFM state under high pressure in Lu2Fe17 can be explained qualitatively from model calculations. FM and non-collinear AFM states in Lu2Fe17 are found to be nearly degenerate at ambient pressure with the estimated difference between the total energy minima of \(\Delta E = 2.73\) mRyd and the application of high pressure removes this degeneracy in the favor of non-collinear AFM state.
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Received: 6 September 2004, Published online: 5 November 2004
PACS:
61.50.Ks Crystallographic aspects of phase transformations; pressure effects - 75.25. + z Spin arrangements in magnetically ordered materials - 61.12.Ld Neutron diffraction
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Kozlenko, D.P., Glazkov, V.P., Savenko, B.N. et al. Interplay between structural and magnetic properties of Lu\(\mathsf{_{2}}\)Fe \(\mathsf{_{17}}\) at high pressure. Eur. Phys. J. B 41, 445–449 (2004). https://doi.org/10.1140/epjb/e2004-00337-0
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DOI: https://doi.org/10.1140/epjb/e2004-00337-0