Journal
PHYSICAL REVIEW MATERIALS
Volume 3, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevMaterials.3.094409
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Funding
- Henry Royce Institute through EPSRC Grant [EP/R00661X//1]
- EPSRC Impact Acceleration Account funding: Localised magnetic repository (LoMaRe) a high-performance nonvolatile memory device
- EPSRC DTP Hitachi CASE award
- LFC through The Leverhulme Trust [RPG-2016-306]
- Center for Emergent Materials at the Ohio State University, a National Science Foundation Materials Research Science and Engineering Center [DMR-1420451]
- Ministry of Education, Youth and Sports of the Czech Republic from the Large Infrastructures for Research, Experimental Development and Innovations project IT4Innovations National Supercomputing Center [LM2015070]
- OP RDE program within the project International Mobility of Researchers MSCA-IF [CZ.02.2.69/0.0/0.0/18_070/0010457]
- DFG [SPP 1666]
- Lichtenberg high performance computer of TU Darmstadt
- Engineering and Physical Sciences Research Council [EP/P02520X/1, 1801777, 1857799] Funding Source: researchfish
- EPSRC [EP/P02520X/1] Funding Source: UKRI
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We have studied the anomalous Hall effect (AHE) in strained thin films of the frustrated antiferromagnet Mn3NiN. The AHE does not follow the conventional relationships with magnetization or longitudinal conductivity and is enhanced relative to that expected from the magnetization in the antiferromagnetic state below T-N = 260K. This enhancement is consistent with origins from the noncollinear antiferromagnetic structure, as the latter is closely related to that found in Mn3Ir and Mn3Pt where a large AHE is induced by the Berry curvature. As the Berry-phase-induced AHE should scale with spin-orbit coupling, yet larger AHE may be found in other members of the chemically flexible Mn(3)AN structure.
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