6533b7d1fe1ef96bd125d52f
RESEARCH PRODUCT
Luminescence of Eu3+-doped lanthanum titanate (La2TiO5), a system with one-dimensional energy migration
J. AlarconG. Blassesubject
QuenchingPhotoluminescenceChemistryInorganic chemistryDopingchemistry.chemical_elementGeneral ChemistryCondensed Matter PhysicsTitanateDelocalized electronPhysical chemistryGeneral Materials ScienceQuantum efficiencyLuminescenceEuropiumdescription
Abstract The titanate and Eu 3+ luminescence of a composition La 2 TiO 5 -Eu are reported as a function of temperature. At 4.2 K the quantum efficiency is very high, because the titanate excitation energy is localized. At 300 K there is delocalization and quenching centres are easily reached, so that the quantum efficiency becomes low. This is discussed in terms of the crystal structure, as are the peculiarities of the Eu 3+ spectra.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1992-05-01 | Journal of Physics and Chemistry of Solids |