Stillwell, R.
, Liu, I.
, Harrison, N.
, Jaime, M.
, Jeffries, J.
and Butch, N.
(2017),
Tricritical Point of the f-Electron Antiferromagnet USb<sub>2</sub> Driven by High Magnetic Fields, Physical Review B, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=922087
(Accessed October 26, 2025)
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Tricritical Point of the f-Electron Antiferromagnet USb2 Driven by High Magnetic Fields
Published
Author(s)
Ryan L. Stillwell, , N. Harrison, M. Jaime, J. R. Jeffries,
Abstract
In pulsed magnetic fields up to 65T and at temperatures below the Neel transition, our magnetization and magnetostriction measurements reveal a field-induced metamagnetic-like transition that is suggestive of an antiferromagnetic to polarized paramagnetic or ferrimagnetic ordering. Our data also suggests a change in the nature of this metamagnetic-like transition from second- to first-order-like near a tricritical point at Ttc 145K and Hc52T. At high fields for H>Hc we found a decreased magnetic moment roughly half of the moment reported in low field measurements. We propose that f-p hybridization effects and magnetoelastic interactions drive the decreased moment, lack of saturation at high fields, and the decreased phase boundary.Citation
Physical Review B
Volume
95
Issue
1
Pub Type
Journals
Download Paper
Keywords
high field
Citation
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Created January 11, 2017, Updated October 12, 2021