@article{JETPL.118.733, title = {Rattling Phonon Modes in Quadruple Perovskites}, author = {Pchelkina, Z. V. and Komleva, E. V. and Irkhin, V. Yu. and Long, Y. and Streltsov, S. V.}, journal = {JETP Lett.}, volume = {118}, issue = {10}, pages = {738}, year = {2023}, doi = {10.1134/S0021364023603202}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567823220068}, note = {[Pisma v ZhETF 118, 733 (2023)]} }