Probability distribution of substituted titanium in RT12 (R = Nd and Sm; T = Fe and Co) structures

SKELLAND, C, OSTLER, Thomas, WESTMORELAND, Sam, EVANS, R. F. L, CHANTRELL, R. W, YANO, M, SHOJI, T, MANABE, A, KATO, A, WINKLHOFER, M, ZIMANYI, J, SCHREFL, T and HRKAC, G (2018). Probability distribution of substituted titanium in RT12 (R = Nd and Sm; T = Fe and Co) structures. IEEE Transactions on Magnetics.

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Official URL: https://ieeexplore.ieee.org/document/8388730/
Link to published version:: https://doi.org/10.1109/TMAG.2018.2832603
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    Abstract

    We investigated the atomic fill site probability distributions across supercell structures of RT12−xTi (R = Nd and Sm; T = Fe and Co).We use a combined molecular dynamics and Boltzmann distribution approach to extrapolate the probability distributions for Ti substitution from lower to higher temperatures with an equilibrium condition to assess how temperature affects the predictability of the structures’ fill path. It was found that the Nd- and Sm-based Fe systems have the highest filling probability path at lower temperatures, but the cohesive energy change due to Ti substitution in Sm- and Nd-based crystals indicates that a more stable system could be achieved with a combination of Co and Fe in the transition metal site.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre
    Departments - Does NOT include content added after October 2018: Faculty of Science, Technology and Arts > Department of Engineering and Mathematics
    Identification Number: https://doi.org/10.1109/TMAG.2018.2832603
    Depositing User: Thomas Ostler
    Date Deposited: 21 Jun 2018 14:01
    Last Modified: 14 Aug 2018 14:03
    URI: http://shura.shu.ac.uk/id/eprint/21649

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