Uniaxial anisotropy and low-temperature antiferromagnetism of Mn2BO4 single crystal
N.V. Kazak, M.S. Platunov, Yu.V. Knyazev, N.B. Ivanova, O.A. Bayukov,, A.D. Vasiliev, L.N. Bezmaternykh, V.I. Nizhankovskii, S.Yu. Gavrilkin, K.V., Lamonova, and S.G. Ovchinnikov
TL;DR
This study reports on the growth, structure, and magnetic properties of Mn2BO4 single crystals, revealing uniaxial anisotropy and antiferromagnetic transition at 26 K, with insights into magnetic interactions and orbital contributions.
Contribution
The paper provides new experimental data on Mn2BO4 single crystals, including magnetic anisotropy and transition temperature, and discusses superexchange interactions and orbital effects.
Findings
Antiferromagnetic transition at 26 K
Magnetic uniaxial anisotropy with easy axis in ab-plane
Reduced effective magnetic moment due to Jahn-Teller Mn3+ ions
Abstract
The Mn2BO4 single crystals have been grown using the flux technique. The careful study crystal structure and magnetic properties have been carried out. The antiferromagnet transition at TN = 26 K has been traced through the dc magnetization and specific heat temperature dependences. The magnetic uniaxial anisotropy has been detected with easy axis of magnetization lying in ab-plane. A reduction of the effective magnetic moment value is assigned to the non-quenched orbital moment of Jahn-Teller Mn3+ ions. Based on the superexchange interactions calculations the magnetic behavior is discussed.
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