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cond-mat.mtrl-sci2026
Unifying Low-Frequency Raman and Infrared Signatures across Perovskites
Ethan Berger, Erik Fransson, Apinya Ngoipala +5
Perovskites have been studied for a wide range of applications, from oxide-based ferroelectrics to halide-perovskite photovoltaics. Despite their diverse functionalities, these mat…
cond-mat.mtrl-sci2026
Octahedral Tilting in Halide Double Perovskites: Disentangling Lone-Pair Chemistry and Geometric Effects
Mehmet Baskurt, Erik Fransson, Madeleine Lindvik +2
Halide double perovskites (HDPs) have emerged as promising alternatives to their lead-based counterparts. However, their structural dynamics is less explored than that of conventio…