January 2, 2018
Our new paper investigating the momentum-resolved phonon dispersions in the multiferroic material YMnO3 was published in Nature Communications:
https://www.nature.com/articles/s41467-017-02309-2
The study combines first-principles simulations with inelastic neutron and x-ray scattering to determine the anharmonic soft-modes responsible for ferroelectricity.