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机译:Observation of 3D Biexcitons in Pristine-Quality CH_3NH_3PbBr_3 Single Crystals
Sogang Univ, Dept Phys, Seoul 04107, South Korea;
Yonsei Univ, Dept Phys, Van der Waals Mat Res Ctr, Seoul 03722, South Korea;
3D halide perovskites; biexcitons; longitudinal-transverse splitting; perovskite single crystals; resonant two-photon excitation;