Anomalous Hall effect in ZrTe 5

Tian Liang, Jingjing Lin, Quinn Gibson, Satya Kushwaha, Minhao Liu, Wudi Wang, Hongyu Xiong, Jonathan A. Sobota, Makoto Hashimoto, Patrick S. Kirchmann, Zhi Xun Shen, R. J. Cava, N. P. Ong

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Abstract

Research in topological matter has expanded to include the Dirac and Weyl semimetals 1-10 , which feature three-dimensional Dirac states protected by symmetry. Zirconium pentatelluride has been of recent interest as a potential Dirac or Weyl semimetal material. Here, we report the results of experiments performed by in situ three-dimensional double-axis rotation to extract the full 4π solid angular dependence of the transport properties. A clear anomalous Hall effect is detected in every sample studied, with no magnetic ordering observed in the system to the experimental sensitivity of torque magnetometry. Large anomalous Hall signals develop when the magnetic field is rotated in the plane of the stacked quasi-two-dimensional layers, with the values vanishing above about 60 K, where the negative longitudinal magnetoresistance also disappears. This suggests a close relation in their origins, which we attribute to the Berry curvature generated by the Weyl nodes.

Original languageEnglish (US)
Pages (from-to)451-455
Number of pages5
JournalNature Physics
Volume14
Issue number5
DOIs
StatePublished - May 1 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Liang, T., Lin, J., Gibson, Q., Kushwaha, S., Liu, M., Wang, W., Xiong, H., Sobota, J. A., Hashimoto, M., Kirchmann, P. S., Shen, Z. X., Cava, R. J., & Ong, N. P. (2018). Anomalous Hall effect in ZrTe 5 Nature Physics, 14(5), 451-455. https://doi.org/10.1038/s41567-018-0078-z