Weakly anisotropic ferromagnet EuRu2P2: Ambient and hydrostatic pressure characterization

•EuRu2P2 is a ferromagnet with a small anisotropy with a as an easy magnetization axis.•The magnetocrystalline anisotropy was confirmed by ab-initio calculations.•Full saturated magnetic moment confirms the Eu2 + state over all pressures.•Sudden drop of Tc at 1.5 GPa is ascribed to the lattice compr...

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Bibliographic Details
Published in:Journal of alloys and compounds 2021-05, Vol.864, p.158753, Article 158753
Main Authors: Proschek, P., Prchal, J., Diviš, M., Prokleška, J., Vlášková, K., Valenta, J., Zubáč, J., Kaštil, J., Hedo, M., Nakama, T., Ōnuki, Y., Honda, F.
Format: Article
Language:English
Subjects:
Anisotropy
Compressibility
Crystallography
EuRu2P2
Ferromagnet
Ferromagnetism
First principles
Hydrostatic pressure
Room temperature
Single crystals
Tetragonal structure
Valence state
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Summary:•EuRu2P2 is a ferromagnet with a small anisotropy with a as an easy magnetization axis.•The magnetocrystalline anisotropy was confirmed by ab-initio calculations.•Full saturated magnetic moment confirms the Eu2 + state over all pressures.•Sudden drop of Tc at 1.5 GPa is ascribed to the lattice compressibility change. The EuRu2P2 single crystal was investigated by means of magnetic, transport and thermodynamic studies at ambient and hydrostatic pressures. A small magnetocrystalline anisotropy with crystallographic [100] direction as an easy magnetization direction was found by experimental measurements and confirmed by first-principles calculations. We connect a previously reported change in the compressibility observed at room temperature to a rapid change of ordering temperature under applied hydrostatic pressure.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2021.158753