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High-field soft-x-ray dichroism of a hard ferrimagnet with easy-plane anisotropy
- 1.0545211 - FZÚ 2022 RIV US eng J - Journal Article
Yamamoto, Sh. - Gorbunov, D.I. - Diaz-Ortega, I.F. - Miyata, A. - Kihara, T. - Kotani, Y. - Nakamura, T. - Mushnikov, N. V. - Andreev, Alexander V. - Nojiri, H. - Wosnitza, J.
High-field soft-x-ray dichroism of a hard ferrimagnet with easy-plane anisotropy.
Physical Review B. Roč. 104, č. 6 (2021), č. článku 064405. ISSN 2469-9950. E-ISSN 2469-9969
R&D Projects: GA ČR(CZ) GA19-00925S; GA MŠMT(CZ) LM2018096
Keywords : rare-earth intermetallics * ferrimagnetism * X-ray spectroscopy
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 3.908, year: 2021
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevB.104.064405
We performed soft x-ray spectroscopic studies of the ferrimagnet TbFe5Al7 with strong easy-plane anisotropy in pulsed magnetic fields up to 29 T along with bulk magnetization and magnetostriction measurements. We observed pronounced amplitude changes of x-ray magnetic circular dichroism and x-ray absorption spectra at the field-induced magnetic transition. This microscopically evidences the simultaneous rotation of the Tb 4 f and Fe 3d magnetic moments from a collinear ferrimagnetic order along the [100] axis to a state with the moments close to [010], the other easy-axis direction of the tetragonal lattice in magnetic fields applied along the [100] axis. We determined the magnetic-anisotropy constant of TbFe5Al7 by simulating the high-field macro- and microscopic magnetization process using a two-sublattice model.
Permanent Link: http://hdl.handle.net/11104/0321961
Number of the records: 1