Publication date: 21st July 2025
Two-dimensional lead halide perovskites (2D LHPs) have emerged as highly promising materials for next-generation optoelectronic and spintronic devices due to their tunable bandgap, strong quantum confinement, and pronounced spin–orbit coupling. These layered perovskites exhibit intriguing spin-dependent phenomena, including the Rashba effect and Zeeman splitting, which can be further modulated through external stimuli and material design. In this study, we investigate the influence of magnetic doping—specifically with divalent manganese ions (Mn²⁺) on the optical and magneto-optical behavior of 2D LHPs and their heterostructures formed by stacking doped and undoped layers. By incorporating Mn²⁺ into the perovskite lattice, we introduce localized magnetic moments that interact with charge carriers, leading to enhanced spin–carrier coupling and observable modifications in magneto-optical responses. We use spectroscopic methods such as photoluminescence (PL), circularly polarized PL, and magneto-PL, combined with magnetic field-dependent measurements, to probe Rashba-induced spin splitting and Zeeman effects. Additionally, we explore proximity-induced interactions in heterostructures, providing insight into spin and carrier dynamics.
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