Realization of La2MnVO6: Search for half-metallic antiferromagnetism?
J. Androulakis, N. Katsarakis, J. Giapintzakis
Abstract
Single-phase polycrystalline La2MnVO6 samples were synthesized by arc melting and characterized by X-ray diffraction, magnetization and resistivity measurements. We find that the compound has cubic (space group), partly ordered double perovskite structure. The sample exhibits ferrimagnetic behavior and variable-range hopping conductivity. We conclude based on the magnetic properties that both Mn and V ions are trivalent; moreover, the Mn3+ ions are in a high-spin state, which is the reason that the compound is not a half-metallic antiferromagnet.
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