Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 525, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2020.167581
Keywords
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Funding
- National Science Center, Poland within the POLONEZ programme [2016/23/P/ST3/03514]
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [665778]
- National Science Center, Poland, project OPUS [DEC-2017/27/B/ST3/02470]
- CNPq
- FAPESP
- AFSOR [FA9550-17-1-0132]
- National Science Center, Poland [2014/15/B/ST3/03889]
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The study reports the occurrence of anomalous Hall effect in bismuth crystals, suggesting non-intrinsic magnetism induced at surfaces and grain boundaries. The suppression of AHE with increasing magnetic field and temperature coincides with previous reports of superconductivity in bismuth, implying an interplay between the two phenomena.
We report the occurrence of ferromagnetic-like anomalous Hall effect (AHE) below 30 mT in bismuth crystals. The signatures of ferromagnetism in transport are not corroborated in magnetization measurements, thus suggesting the induction of non-intrinsic magnetism at surfaces and grain boundaries in bismuth. The suppression of the AHE with the increase of magnetic field and temperature coincides with previous reports of superconductivity in Bi, suggesting an interplay between the two phenomena.
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