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cond-mat.mtrl-sci2026
Excitons in Large Disordered Boron-Nitride Layer using Linear-Scaling Bethe-Salpeter Simulations
Thomas Galvani, Lorenzo Sponza, Hakim Amara +2
We introduce a real-space, linear-scaling Bethe-Salpeter framework that enables excitonic spectroscopy in large and possibly disordered boron-nitride-derived systems. Thanks to the…
cond-mat.mtrl-sci2024
Size effect on the structural and magnetic phase transformations of iron nanoparticles
Alexis Front, Georg Daniel Förster, Chu-Chun Fu +2
Iron nanoparticles are among the most promising low-dimensional materials in terms of applications. This particularity is attributable to the magnetic properties of these nanoparti…
cond-mat.mtrl-sci2023
Emergence of flat bands in the quasicrystal limit of boron nitride twisted bilayers
Lorenzo Sponza, Van Binh Vu, Elisa Serrano Richaud +2
We investigate the electronic structure and the optical absorption onset of close-to-30\degree twisted hexagonal boron nitride bilayers. Our study is carried out with a purposely d…