Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Z22: Disordered Magnetic Materials
11:30 AM–2:18 PM,
Friday, March 8, 2024
Room: 101B
Sponsoring
Unit:
GMAG
Chair: James Beare, Oak Ridge National Laboratory
Abstract: Z22.00001 : Glassy behavior of anisotropic magnetoresistance in the antiferromagnet Fe1/3NbS2*
11:30 AM–11:42 AM
Presenter:
Soho Shim
(University of Illinois Urbana-Champaign)
Authors:
Soho Shim
(University of Illinois Urbana-Champaign)
Melanie Huq
(Amherst College)
Kannan Lu
(University of Illinois Urbana-Champaign)
Azel Murzabekova
(University of Illinois Urbana-Champaign)
Fahad Mahmood
(University of Illinois Urbana-Champaign)
Greg MacDougall
(University of Illinois Urbana-Champaign)
Nadya Mason
(University of Chicago)
We show that anisotropic magnetoresistance (AMR) can probe glassy behavior in Fe1/3NbS2. We observe that below the spin-glass freezing temperature the AMR differs with the presence and the direction of the cooling field. We attribute such history-dependent AMR to the coupling between the antiferromagnetic and spin-glass orders, where the resistance changes with the relative orientation of antiferromagnetic order to the spin glass moments. Our observation shows the prospect of AMR as a sensitive probe of coexisting magnetic orders.
[1] N. L. Nair et al., Nat. Mater. 19, 153 (2020)
[2] E. Maniv et al., Sci. Adv. 7, 1 (2021)
[3] E. Maniv et al., Nat. Phys. 17, 525 (2021)
*This research was primarily supported by the NSF through the University of Illinois at Urbana-Champaign Materials Research Science and Engineering Center DMR-1720633 and was carried out in the Materials Research Laboratory Central Research Facilities, University of Illinois.
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