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Title: Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4

Abstract

We study TmB4, 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. In conclusion, we propose that complex structures at magnetic domain walls may be responsible for the hysteretic MR and may also lead to the AHE.

Authors:
 [1];  [2];  [3];  [2];  [4];  [1];  [1]
  1. Nanyang Technological Univ. (Singapore)
  2. Ames Lab. and Iowa State Univ., Ames, IA (United States)
  3. National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki (Japan)
  4. Univ. of California, Santa Cruz, CA (United States)
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1259551
Alternate Identifier(s):
OSTI ID: 1252586
Report Number(s):
IS-J-9013
Journal ID: ISSN 2469-9950; PRBMDO
Grant/Contract Number:  
MOE2011-T2-1-108; NRF-NRFI2015-04; AC02-07CH11358; FG02-06ER46319
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 17; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Sunku, Sai Swaroop, Kong, Tai, Ito, Toshimitsu, Canfield, Paul C., Shastry, B. Sriram, Sengupta, Pinaki, and Panagopoulos, Christos. Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.93.174408.
Sunku, Sai Swaroop, Kong, Tai, Ito, Toshimitsu, Canfield, Paul C., Shastry, B. Sriram, Sengupta, Pinaki, & Panagopoulos, Christos. Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4. United States. https://doi.org/10.1103/PhysRevB.93.174408
Sunku, Sai Swaroop, Kong, Tai, Ito, Toshimitsu, Canfield, Paul C., Shastry, B. Sriram, Sengupta, Pinaki, and Panagopoulos, Christos. Wed . "Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4". United States. https://doi.org/10.1103/PhysRevB.93.174408. https://www.osti.gov/servlets/purl/1259551.
@article{osti_1259551,
title = {Hysteretic magnetoresistance and unconventional anomalous Hall effect in the frustrated magnet TmB4},
author = {Sunku, Sai Swaroop and Kong, Tai and Ito, Toshimitsu and Canfield, Paul C. and Shastry, B. Sriram and Sengupta, Pinaki and Panagopoulos, Christos},
abstractNote = {We study TmB4, 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. In conclusion, we propose that complex structures at magnetic domain walls may be responsible for the hysteretic MR and may also lead to the AHE.},
doi = {10.1103/PhysRevB.93.174408},
journal = {Physical Review B},
number = 17,
volume = 93,
place = {United States},
year = {Wed May 11 00:00:00 EDT 2016},
month = {Wed May 11 00:00:00 EDT 2016}
}

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Cited by: 22 works
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Works referencing / citing this record:

Rotating magnetocaloric effect and unusual magnetic features in metallic strongly anisotropic geometrically frustrated TmB4
journal, July 2018