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cond-mat.mtrl-sci2025
Band-Gap Tunability in Anharmonic Perovskite-like Semiconductors Driven by Polar Electron-Phonon Coupling
Pol BenÃtez, Ruoshi Jiang, Siyu Chen +5
The ability to finely tune optoelectronic properties in semiconductors is crucial for the development of advanced technologies, ranging from photodetectors to photovoltaics. In thi…
cond-mat.mtrl-sci2025
High-chirality and multiquaternion Weyl nodes in hexagonal ReO
Siyu Chen, Robert-Jan Slager, Bartomeu Monserrat +1
The formation of two-band nodal points in gapless topological phases, referred to as conventional Weyl nodes, relies solely on translational symmetry. However, when coupled with ot…
cond-mat.mtrl-sci2024
Giant Electron-Phonon Coupling Induced Band-Gap Renormalization in Anharmonic Silver Chalcohalide Antiperovskites
Pol BenÃtez, Siyu Chen, Ruoshi Jiang +6
Silver chalcohalide antiperovskites (CAP), AgXY (X = S, Se; Y = Br, I), are a family of highly anharmonic inorganic compounds with great potential for energy applications. Ho…