Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/5336
Title: Field-induced incommensurate spin structure of TbNiAl4
Authors: Hutchison, WD
Goossens, DJ
Whitfield, RE
Studer, AJ
Nishimura, K
Mizushima, T
Keywords: Alloys
Antiferromagnetism
Ferromagnetism
Neutron diffraction
Neutrons
Spin
Issue Date: 13-Jul-2012
Publisher: American Physical Society
Citation: Hutchison, W. D., Goossens, D. J., Whitfield, R. E., Studer, A. J., Nishimura, K., & Mizushima, T. (2012). Field-induced incommensurate spin structure of TbNiAl4. Physical Review B, 86, Article Number 014412. doi:10.1103/PhysRevB.86.014412
Abstract: TbNiAl(4) exhibits incommensurate and commensurate magnetic ordering as a function of temperature. As a function of applied field it undergoes a series of magnetic phase transitions. The first of these transitions, into an intermediate spin arrangement, is the source of a large inverse magnetocaloric effect, an unusual result given that an aligning field is being applied. This has potential uses in magnetic cooling. Here, single-crystal neutron diffraction with applied magnetic field is used to obtain the intermediate field spin arrangement in TbNiAl(4). We find that not only does the applied field drive the system from commensurate to incommensurate ordering, but that the phase transition shows hysteresis such that a mixed state simultaneously showing commensurate and incommensurate antiferromagnetic ordering, along with ferromagnetism, can be obtained. © 2012, American Physical Society.
Gov't Doc #: 4643
URI: http://dx.doi.org/10.1103/PhysRevB.86.014412
http://apo.ansto.gov.au/dspace/handle/10238/5336
ISSN: 1098-0121
Appears in Collections:Journal Articles

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