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Title: Magnetic structure study of the sawtooth chain antiferromagnet Fe2Se2O7
Authors: Nawa, K
Avdeev, M
Berdonosov, P
Sobolev, A
Presniakov, I
Aslandukova, A
Kozlyakova, E
Vasiliev, AN
Shchetinin, I
Sato, TJ
Keywords: Magnetic properties
Magnetic materials
Quantum fluids
Neutron diffraction
Magnetic moments
Issue Date: 15-Dec-2021
Publisher: Springer Nature
Citation: Nawa, K., Avdeev, M., Berdonosov, P., Sobolev, A., Presniakov, I., Aslandukova, A., Kozlyakova, E., Vasiliev, A., Shchetinin, I., & Sato, T. J. (2021). Magnetic structure study of the sawtooth chain antiferromagnet Fe2Se2O7. Scientific Reports, 11, 24049. doi:10.1038/s41598-021-03058-5
Abstract: A magnetic structure of the sawtooth-chain antiferromagnet Fe2Se2O7 was investigated by magnetization measurements, single crystalline and powder neutron diffraction experiments, and a further analysis on the Mössbauer spectra. These experiments revealed a nearly collinear antiferromagnetic structure with magnetic moments aligned along the b-axis, indicating dominant antiferromagnetic exchanges between Fe(1)–Fe(2) and Fe(2)–Fe(3) sites. The magnon dispersion relation derived from the linear spin wave approximation suggests the possible flat band nature of magnons. © 2021, The Author(s) This article is licensed under a Creative Commons Attribution 4.0 International License.
ISSN: 2045-2322
Appears in Collections:Journal Articles

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