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cond-mat.mtrl-sci2025★ 1 cited
2D ferroelectricity accompanying antiferro-orbital order in semi-metallic WTe
Fangyuan Gu, Ruoshi Jiang, Wei Ku
The first switchable electric polarization in metals was recently discovered in bilayer and trilayer WTe2. Strangely, despite the tininess of the ordered polarization, the ferroele…
cond-mat.mtrl-sci2025
Band-Gap Tunability in Anharmonic Perovskite-like Semiconductors Driven by Polar Electron-Phonon Coupling
Pol Benítez, 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-sci2024
Giant Electron-Phonon Coupling Induced Band-Gap Renormalization in Anharmonic Silver Chalcohalide Antiperovskites
Pol Benítez, 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…