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Title: Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4
Authors: Sunku, Sai Swaroop
Kong, Tai
Ito, Toshimitsu
Canfield, Paul C.
Shastry, B. Sriram
Sengupta, Pinaki
Panagopoulos, Christos
Keywords: DRNTU::Science::Physics
Frustrated Magnetism
Anomalous Hall Effect
Issue Date: 2016
Source: Sunku, S. S., Kong, T., Ito, T., Canfield, P. C., Shastry, B. S., Sengupta, P., & Panagopoulos, C. (2016). Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4. Physical Review B, 93(17), 174408-. doi:10.1103/PhysRevB.93.174408
Series/Report no.: Physical Review B
Abstract: We study TmB, a frustrated magnet on the Archimedean Shastry-Sutherland lattice, through magnetization and transport experiments. The lack of anisotropy in resistivity shows that TmB4 is an electronically three-dimensional system. The magnetoresistance (MR) is hysteretic at low temperature even though a corresponding hysteresis in magnetization is absent. The Hall resistivity shows unconventional anomalous Hall effect (AHE) and is linear above saturation despite a large MR. We propose that complex structures at magnetic domain walls may be responsible for the hysteretic MR and may also lead to the AHE.
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.93.174408
Schools: School of Physical and Mathematical Sciences 
Rights: © 2016 American Physical Society (APS). This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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