Kinetics of nonstationary migration-accelerated energy transfer in a solid body doped with rare-earth and transition-metal ions
2014
The kinetics of migration-accelerated energy transfer is studied in systems based on a massive crystal and a sample consisting of spherical nanoparticles up to and including four or five orders of magnitude of the kinetic expulsion depth for the case of donor excitation by a short (τpulse < τ D ) pulse under the action of a multipole mechanism of donor-donor and donor-acceptor energy transfer. The susceptibility of the chosen systems to the implementation of the “jump” mechanism of excitation transfer in them is estimated. It is shown that the nonstationary mechanism of excitation transfer is implemented in the chosen systems based on a sample consisting of nanoparticles.
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