TY - RPRT TI - Why are Double Perovskite Iodides so Rare? AU - Vishnoi, Pratap AU - Seshadri, Ram AU - Cheetham, Anthony K. PY - 2021 DO - 10.1021/acs.jpcc.1c02870 UR - https://www.osti.gov/biblio/1851664 ID - 1851664 ER -