Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/10804
Title: Structural chemistry and magnetic properties of LnMnFeGe4O12 (Ln = Y, Eu, Lu)
Authors: Xu, D
Avdeev, M
Battle, PD
Cadogan, JM
Lamont, H
Keywords: Neutron diffraction
Antiferromagnetism
Polycrystals
X-ray diffraction
Transition temperature
Magnetic properties
Issue Date: 1-Oct-2017
Publisher: Elsevier
Citation: Xu, D., Avdeev, M., Battle, P. D., Cadogan, J. M., & Lamont, H. (2017). Structural chemistry and magnetic properties of LnMnFeGe4O12 (Ln = Y, Eu, Lu). Journal of Solid State Chemistry, 254, 40-46. doi:10.1016/j.jssc.2017.06.032
Abstract: Polycrystalline samples of LnMnFeGe4O12 (Ln = Y, Eu, Lu) have been prepared using the ceramic method and characterised by a combination of magnetometry, Mössbauer spectroscopy, X-ray diffraction and neutron diffraction. They all adopt the space group P4/nbm with a ~ 9.670, c ~ 4.81 Å and show long-range antiferromagnetic order with transition temperatures 15 ≤ TN/K ≤ 17. The magnetic structure is the same in each case and consists of an A-type ordering of (001) planes; the ordered spins lie in the (001) plane. Comparison with isostructural compounds leads to the conclusion that subtle structural changes play a greater role than the electronic configuration of the cation in determining the magnetic structure. © 2017 Elsevier Inc.
URI: https://doi.org/10.1016/j.jssc.2017.06.032
https://apo.ansto.gov.au/dspace/handle/10238/10804
ISSN: 0022-4596
Appears in Collections:Journal Articles

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