New binary refractory metal-Fe intermetallic compounds for hard magnet applications

0522386 - FZÚ 2020 RIV CZ eng C - Conference Paper (international conference)
Tchaplianka, Maxim - Shick, Alexander
New binary refractory metal-Fe intermetallic compounds for hard magnet applications.
Proceedings of the Annual Student Conference Week of Doctoral Students /28./. Prague: MATFYZPRESS, 2019 - (Šafránková, J.; Pavlů, J.), s. 36-38. ISBN 978-80-7378-409-6.
[WDS'2019 - Annual Student Conference Week of Doctoral Students /28./. Prague (CZ), 06.06.2019-09.06.2019]
R&D Projects: GA MŠMT(CZ) EF16_019/0000760; GA ČR GA18-06240S
Grant - others:OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Institutional support: RVO:68378271
Keywords : electronic structure * magnetic anisotropy * permanent magnets
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
https://www.mff.cuni.cz/veda/konference/wds/proc/proc-contents.php?year=2019

We investigate theoretically the electronic and magnetic structure of Fe2Hf. The density functional theory is used to calculate the magnetic moments on individual atoms, the total and projected densities of states, and the magnetic anisotropy energy. The Fe2Hf is found to be metallic and ferrimagnetic, with the magnetic moments of Fe and Hf atoms pointing in the opposite directions. The negative magnetic anisotropy, and the “in-plane” preferential direction of the magnetization are found as a result of theoretical calculations. Our study suggests that the chemical control of the magnetic anisotropy has to be investigated in order to evaluate the potential of Fe2Hf for the permanent magnet applications.

Permanent Link: http://hdl.handle.net/11104/0306887