Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Schematic and picture of piezo device.
  • Fig. S2. Finite element analysis of strain transmission.
  • Fig. S3. Sample aging and zero-strain tuning.
  • Fig. S4. Comparison between three-piezo and single-piezo elastoresistivity measurement.
  • Fig. S5. Additional longitudinal magneto-transport measurement as a function of strain.
  • Fig. S6. Angle dependence of longitudinal magnetoresistance.
  • Fig. S7. Fitting of positive longitudinal magnetoconductance.
  • Fig. S8. DFT calculations of Z2 topological indices, Poisson ratio, and DOS.
  • Fig. S9. DFT band structures for ZrTe5 in different strained states.
  • Table S1. Dimensions, 2 K resistivity, and QC of each sample crystal.

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