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Evidence for Layered Quantized Transport in Dirac Semimetal ZrTe5

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Author(s)

  • Wei Wang
  • Xiaoqian Zhang
  • Huanfeng Xu
  • Yafei Zhao
  • Wenqin Zou
  • Liang He
  • Yongbing Xu

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Publication details

JournalScientific Reports
DateAccepted/In press - 22 Feb 2018
DatePublished (current) - 23 Mar 2018
Issue number1
Volume8
Original languageEnglish

Abstract

ZrTe5 is an important semiconductor thermoelectric material and a candidate topological insulator. Here we report the observation of Shubnikov-de Hass (SdH) oscillations accompanied by quantized Hall resistance in bulk ZrTe5 crystal, with a mobility of 41,000 cm2V-1s-1. We have found that the quantum oscillations does not originate from the surface states, but from the bulk states. Each single layer ZrTe5 acted like an independent 2D electron system in the quantum Hall regime having the same carrier density and mobilities, while the bulk of the sample exhibits a multilayered quantum Hall effect.

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© The Author(s) 2018.

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