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Title: Magnetic order and structural properties of Tb2Fe2Si2C
Authors: Susilo, RA
Cadogan, JM
Hutchison, WD
Avdeev, M
Cobas, R
Muñoz-Pérez, S
Campbell, SJ
Keywords: Neutron diffraction
Magnetic properties
X-ray diffraction
Rare earths
Magnetic moments
Issue Date: 5-Jan-2016
Publisher: Elsevier
Citation: Susilo, R. A., Cadogan, J. M., Hutchison, W. D., Avdeev, M., Cobas, R., Muñoz-Pérez, S., & Campbell, S. J. (2016). Magnetic order and structural properties of Tb2Fe2Si2C. Journal of Alloys and Compounds, 654, 392-398. doi:10.1016/j.jallcom.2015.09.092
Abstract: The structural and magnetic properties of Tb2Fe2Si2C have been investigated by bulk measurements (magnetisation and specific heat), X-ray diffraction, neutron powder diffraction and 57Fe Mössbauer spectroscopy over the temperature range 3 K–300 K Tb2Fe2Si2C is antiferromagnetic with a Néel temperature TN of 44(2) K. The magnetic structure can be described with a propagation vector k = [0 0 ] with the Tb magnetic moments ordering along the b-axis. We also observed strong magnetoelastic effects in particular along the a- and c-axes associated with the antiferromagnetic transition. The 57Fe Mössbauer spectra show no evidence of magnetic splitting down to 10 K, indicating that the Fe atom is non-magnetic in Tb2Fe2Si2C. © 2015 Elsevier B.V.
ISSN: 0925-8388
Appears in Collections:Journal Articles

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