3 papers
cond-mat.mes-hall2025
Undulation-induced moiré superlattices with 1D polarization domains and 1D flat bands in 2D bilayer semiconductors
Xingfu Li, Sunny Gupta, Boris I. Yakobson
Two-dimensional (2D) materials have a high Föppl-von Kármán number and can be easily bent, much like a paper, making undulations a novel way to design distinct electronic phases…
cond-mat.mtrl-sci2025
Colossal anomalous Stark shift in defect emission of undulated 2D materials
Sunny Gupta, Boris I. Yakobson
We report a strikingly new physical phenomenon that mirror symmetry breaking in undulated two-dimensional (2D) materials induces a colossal Stark shift in defect emissions, occurri…
cond-mat.mtrl-sci2024
Undulated 2D materials as a platform for large Rashba spin-splitting and persistent spin-helix states
Sunny Gupta, Manoj N. Mattur, Boris I. Yakobson
Materials with large unidirectional Rashba spin-orbit coupling (SOC), resulting in persistent-spin helix states with small spin-precession length, are critical for advancing spintr…