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
Affiliations
- S. L. Moore
- Department of Physics, Columbia University
- C. J. Ciccarino
- John A. Paulson School of Engineering and Applied Sciences, Harvard University
- D. Halbertal
- Department of Physics, Columbia University
- L. J. McGilly
- Department of Physics, Columbia University
- N. R. Finney
- Department of Mechanical Engineering, Columbia University
- K. Yao
- Department of Mechanical Engineering, Columbia University
- Y. Shao
- Department of Physics, Columbia University
- G. Ni
- Department of Physics, Columbia University
- A. Sternbach
- Department of Physics, Columbia University
- E. J. Telford
- Department of Physics, Columbia University
- B. S. Kim
- Department of Mechanical Engineering, Columbia University
- S. E. Rossi
- Department of Physics, Columbia University
- K. Watanabe
- National Institute for Materials Science
- T. Taniguchi
- National Institute for Materials Science
- A. N. Pasupathy
- Department of Physics, Columbia University
- C. R. Dean
- Department of Physics, Columbia University
- J. Hone
- Department of Mechanical Engineering, Columbia University
- P. J. Schuck
- Department of Mechanical Engineering, Columbia University
- P. Narang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University
- D. N. Basov
- Department of Physics, Columbia University
- DOI
- https://doi.org/10.1038/s41467-021-26072-7
- Journal volume & issue
-
Vol. 12,
no. 1
pp. 1 – 7
Abstract
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.