# Recombination kinetics of a dense electron-hole plasma in strontium titanate

Source: [Recombination kinetics of a dense electron-hole plasma in strontium titanate](<https://www.sota2.com/research/paper/68fa21347a2b558e29335c1c>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:52:12.994Z

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

Published: 2007-12-04T10:05:02.000Z

## Abstract

We investigated the nanosecond-scale time decay of the blue-green light emitted by nominally pure SrTiO$\_3$ following the absorption of an intense picosecond laser pulse generating a high density of electron-hole pairs. Two independent components are identified in the fluorescence signal that show a different dynamics with varying excitation intensity, and which can be respectively modeled as a bimolecular and unimolecolar process. An interpretation of the observed recombination kinetics in terms of interacting electron and hole polarons is proposed.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/0712.0472>)

[PDF](<https://arxiv.org/pdf/0712.0472.pdf>)