6533b7cffe1ef96bd125970b
RESEARCH PRODUCT
EPR studies of the oxyfluoride glass ceramics using Mn2+as a paramagnetic probe
Dz BerzinsG. DokeA FedotovsAnatolijs SarakovskisUldis Rogulissubject
DopantChemistryAnalytical chemistrychemistry.chemical_elementSpectral lineIonlaw.inventionParamagnetismchemistry.chemical_compoundlawFluorineElectron paramagnetic resonanceFluorideHyperfine structuredescription
In this work, we used Mn2+ as a dopant in the oxyfluoride glasses with various fluoride compounds. Electron paramagnetic resonance (EPR) measurements were carried out before and after a heat treatment of the material. In both cases, a well pronounced hyperfine (hf) structure of the EPR spectra characteristic to the Mn2+ ion have been observed. EPR measurements have also been studied for the separate fluoride counterparts of the oxyfluoride glasses. EPR spectra of the LaF3:Mn2+ and CaF2:Mn2+ powders show that Mn2+ ion has a strong superhyperfine (shf) interaction with surrounding fluorine nuclei, and this shf structure could be observed also in the heat treated glass samples.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2010-11-01 | IOP Conference Series: Materials Science and Engineering |