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Title: Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7
Authors: Soda, M
Hong, T
Avdeev, M
Yoshizawa, H
Masuda, T
Kawano-Furukawa, H
Keywords: Magnetization
Neutron diffraction
Magnetic properties
Issue Date: 7-Oct-2019
Publisher: American Physical Society
Citation: Soda, M., Hong, T., Avdeev, M., Yoshizawa, H., Masuda, T., & Kawano-Furukawa, H. (2019). Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7. Physical Review B, 100(14), 144410. doi:10.1103/PhysRevB.100.144410
Abstract: Magnetization and neutron scattering measurements have been carried out on an antiferromagnet Ba2CoSi2O7. The observed magnetic excitation is almost dispersionless, and the neutron intensity is only modulated along the [101] direction. The dispersionless magnetic excitation suggest that the Ba2CoSi2O7 system is a quasi-one-dimensional antiferromagnet. Classical spin-wave theory for a one-dimensional antiferromagnet can explain the dispersionless spin excitation. The magnetic structure determined by the measurement of the neutron powder diffraction is consistent with no observation of the multiferroic property in this system. ©2019 American Physical Society
ISSN: 2469-9969
Appears in Collections:Journal Articles

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