2 papers
cond-mat.mtrl-sci2020
From latent ferroelectricity to hyperferroelectricity in alkali lead halide perovskites
Guido Roma, Arthur Marronnier, Jacky Even
Using first principles calculations we show that several alkali lead halides potentially present collective ferroelectric polarization. This should occur at least at the nanoscale;…
cond-mat.mtrl-sci2018
Influence of Disorder and Anharmonic Fluctuations on the Dynamical Rashba Effect in Purely Inorganic Lead-Halide Perovskites
Arthur Marronnier, Guido Roma, Marcelo Carignano +5
Doping organic metal-halide perovskites with cesium could be the best solution to stabilize highly-efficient perovskite solar cells. The understanding of the respective roles of th…