Replication Data For: Ultrafast long-range spin-funneling in solution-processed Ruddlesden-Popper halide perovskites

David Giovanni, Jia Wei Melvin Lim, Zhongcheng Yuan, Swee Sien Lim, Marcello Righetto, Jian Qing, Qiannan Zhang, Herlina Arianita Dewi, Feng Gao, Subodh Gautam Mhaisalkar, Nripan Mathews & Tze Chien Sum
Room-temperature spin-based electronics is the vision of spintronics. Presently, there are few suitable material systems. Herein, we reveal that solution-processed mixed-phase Ruddlesden-Popper perovskite thin-films transcend the challenges of phonon momentum-scattering that limits spin-transfer in conventional semiconductors. This highly disordered system exhibits a remarkable efficient ultrafast funneling of photoexcited spin-polarized excitons from two-dimensional (2D) to three-dimensional (3D) phases at room temperature. We attribute this efficient exciton relaxation pathway towards the lower energy states to originate from...
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