Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. XRD of BSTS bulk crystals with growing orientation along (001).
  • Fig. S2. SEM images of topological insulator BSTS nanocone arrays.
  • Fig. S3. FDTD simulation of plasmonic absorption spectra in BSTS nanocone arrays.
  • Fig. S4. FDTD simulation of electromagnetic field distribution in BSTS nanocone arrays.
  • Fig. S5. Wavelengths of the absorption resonance peaks as a function of the base diameter d of BSTS nanocones.

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