activity
20212023
most citedChemically-Localized Resonant Excitons in Silver-Pnictogen Halide Double Perovskites

73 citations · 144 across the 5 of their papers we have counts for

collaborators

5 papers

cond-mat.mtrl-sci2023★ 47 cited

Chemical Mapping of Excitons in Halide Double Perovskites

Raisa-Ioana Biega, Yinan Chen, Marina R. Filip +1

Halide double perovskites are an emerging class of semiconductors with tremendous chemical and electronic diversity. While their bandstructure features can be understood from front…

cond-mat.mtrl-sci2023

Dynamic Distortions of Quasi-2D Ruddlesden-Popper Perovskites at Elevated Temperatures: Influence on Thermal and Electronic Properties

Raisa-Ioana Biega, Menno Bokdam, Kai Herrmann +5

Ruddlesden-Popper hybrid halide perovskite are quasi-two-dimensional materials with a layered structure and structural dynamics that are determined by the interplay between the org…

cond-mat.mtrl-sci2022★ 23 cited

Emergence of Rashba-/Dresselhaus Effects in Ruddlesden-Popper Halide Perovskites with Octahedral Rotations

Sonja Krach, Nicolás Forera-Correa, Raisa-Ioana Biega +2

Ruddelsden-Popper halide perovskites are highly versatile quasi-two-dimensional energy materials with a wide range of tunable optoelectronic properties. Here we use the all-inorgan…

cond-mat.mtrl-sci2021★ 1 cited

Halogen Vacancy Migration at Surfaces of CsPbBr Perovskites: Insights from Density Functional Theory

Raisa-Ioana Biega, Linn Leppert

Migration of halogen vacancies is one of the primary sources of phase segregation and material degradation in lead-halide perovskites. Here we use first principles density function…

cond-mat.mtrl-sci2021★ 73 cited

Chemically-Localized Resonant Excitons in Silver-Pnictogen Halide Double Perovskites

Raisa-Ioana Biega, Marina R. Filip, Linn Leppert +1

Halide double perovskites with alternating silver and pnictogen cations are an emerging family of photoabsorber materials with robust stability and band gaps in the visible range.…