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Title: Magnetic phase coexistence in DyNiAl4
Authors: White, R
Hutchison, WD
Avdeev, M
Keywords: Rare earths
Intermetallic compounds
Neutron diffraction
Magnetic properties
Phase transformations
Magnetic moments
Dysprosium compounds
Nickel compounds
Aluminium compounds
Transition elements
Issue Date: 1-Jan-2019
Publisher: Elsevier
Citation: White, R., Hutchison, W. D., & Avdeev, M. (2019). Magnetic phase coexistence in DyNiAl4. Journal of Magnetism and Magnetic Materials, 469, 30-34. doi:10.1016/j.jmmm.2018.08.011
Abstract: The magnetic structure and properties of the rare earth intermetallic DyNiAl4 have been determined. Two magnetic phase transitions have been observed at TN = 20.2(1) K and TN’ = 14.6(1) K. Analysis via neutron diffraction has revealed that these correspond to the formation of two distinct magnetic phases, a low temperature collinear antiferromagnetic phase with kC = (0, 1, 0) and a higher temperature incommensurate phase with kI = (0.1745(6), 1, 0.0313(6)). The incommensurate phase consists of a sinusoidal modulation of the magnetic moment along the a- and c-axis directions. In addition, both of these phases have been found to coexist between 14.5 K and 16.1 K. © 2018 Elsevier B.V.
ISSN: 0304-8853
Appears in Collections:Journal Articles

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