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|Title:||Field-induced incommensurate spin structure of TbNiAl4|
|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|
|Appears in Collections:||Journal Articles|
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