Nature Communications (Sep 2021)

Nanoscale lattice dynamics in hexagonal boron nitride moiré superlattices

  • S. L. Moore,
  • C. J. Ciccarino,
  • D. Halbertal,
  • L. J. McGilly,
  • N. R. Finney,
  • K. Yao,
  • Y. Shao,
  • G. Ni,
  • A. Sternbach,
  • E. J. Telford,
  • B. S. Kim,
  • S. E. Rossi,
  • K. Watanabe,
  • T. Taniguchi,
  • A. N. Pasupathy,
  • C. R. Dean,
  • J. Hone,
  • P. J. Schuck,
  • P. Narang,
  • D. N. Basov

DOI
https://doi.org/10.1038/s41467-021-26072-7
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 7

Abstract

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Here, the authors investigate the lattice dynamics of twisted hexagonal boron nitride layers via nano-infrared spectroscopy, showing local and stacking-dependent variations of the optical phonon frequencies associated to the interaction with the graphite substrate.