6533b7d5fe1ef96bd126522b

RESEARCH PRODUCT

Computer modelling of radiation damage in cation sublattice of corundum

Arvids StashansEugene A. KotominAnatoli I. Popov

subject

Condensed matter physicsChemistrychemistry.chemical_elementCorundumElectronengineering.materialCondensed Matter PhysicsCrystallographic defectQuantum chemistryElectronic Optical and Magnetic MaterialsIonCrystallographyAluminiumRadiation damageengineeringSapphire

description

Results of quantum chemical computer simulations of close Frenkel defects in corundum crystals are presented and discussed. The conclusion is drawn that the energy barrier for a back recombination up to fourth nearest neighbours is less than 0.3 eV, i.e. such pairs should be unstable at temperatures above 40 K.

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