Recombination kinetics of a dense electron-hole plasma in strontium titanate - Condensed Matter > Strongly Correlated ElectronsReport as inadecuate




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Abstract: We investigated the nanosecond-scale time decay of the blue-green lightemitted by nominally pure SrTiO$ 3$ following the absorption of an intensepicosecond laser pulse generating a high density of electron-hole pairs. Twoindependent components are identified in the fluorescence signal that show adifferent dynamics with varying excitation intensity, and which can berespectively modeled as a bimolecular and unimolecolar process. Aninterpretation of the observed recombination kinetics in terms of interactingelectron and hole polarons is proposed.



Author: A. Rubano, D. Paparo, F. Miletto Granozio, U. Scotti di Uccio, L. Marrucci

Source: https://arxiv.org/







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