@misc{atsushi-a, title = {Ab-initio phonon calculation for K4BaTa6(Si2O13)2 / Amm2 (38) / materials id 677011}, author = {Atsushi Togo}, publisher = {NIMS}, year = {}, keywords = {Phonon, K4BaTa6(Si2O13)2, Amm2 (38)} }