Congratulations to Cassandra Phillips and coworkers on their publication in The Journal of Physical Chemistry Letters:

Phillips, C.; Gilburd, L.; Xu, X. G.; Walker, G. C. Surface and Volume Phonon Polaritons in Boron Nitride Nanotubes. J. Phys. Chem. Lett. 2019, 10, 4851–4856. doi: 10.1021/acs.jpclett.9b01829.