The Singularity Paramagnetic Peak of Bi0.3Sb1.7Te3 with p-type Surface State

  • Shiu Ming Huang
  • , Pin Cing Wang
  • , Pin Cyuan Chen
  • , Jai Long Hong
  • , Cheng Maw Cheng
  • , Hao Lun Jian
  • , You Jhih Yan
  • , Shih Hsun Yu
  • , Mitch M.C. Chou

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The magnetization measurement was performed in the Bi0.3Sb1.7Te3 single crystal. The magnetic susceptibility revealed a paramagnetic peak independent of the experimental temperature variation. It is speculated to be originated from the free-aligned spin texture at the Dirac point. The ARPES reveals that the Fermi level lies below the Dirac point. The Fermi wavevector extracted from the de Haas–van Alphen oscillation is consistent with the energy dispersion in the ARPES. Our experimental results support that the observed paramagnetic peak in the susceptibility curve does not originate from the free-aligned spin texture at the Dirac point.

Original languageEnglish
Article number12
JournalNanoscale Research Letters
Volume17
Issue number1
DOIs
Publication statusPublished - 2022

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics

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