Pressure‐Tuneable Visible‐Range Band Gap in the Ionic Spinel Tin Nitride. - Kearney, John S. C.; Graužinytė, Miglė; Smith, Dean; Sneed, Daniel; Childs, Christian; Hinton, Jasmine; Park, Changyong; Smith, Jesse S.; Kim, Eunja; Fitch, Samuel D. S.; Hector, Andrew L.; Pickard, Chris J.; et al. (Angewandte Chemie, 2018)