Optical and ESR spectra of gamma irradiated glasses in the Ba(PO/sub 3/)/sub 2/-LiF system

Journal Article · Fri Nov 01 04:00:00 EST 1985 · Sov. J. Glass Phys. Chem.; (United States)

OSTI ID:5498476

Bocharova, T V; Karapetyan, G O; Khalilev, V D; Yashchurzhinskaya, O A

This study obtains the ESR and optical absorption spectra for glasses in the Ba(PO/sub 3/)/sub 2/-LiF system. Obtaining radiation color centers (RCC) induced by ionizing radiation in alkali halide crystals (AHC), in particular LiF, has been given an enormous practical impetus according to the authors, because of the development of lasers and passive laser gates based on AHC with color centers. The glasses studied were synthesized from reagents of ''exceptionally pure'' and ''chemically pure'' grades in vitreous carbon crucibles in a dry argon atmosphere at 900-1000/sup 0/C for 60 min. followed by an anneal in a muffle at 300-450/sup 0/C. The compositions of the experimental specimens and the spectra of their optical parameters are given. The addition of up to 60 mole% of LiF does not lead to the emergence of additional absorption band (AAB) or ESR signals associated with F centers formed by gamma radiation in an LiF single crystal. As a result of gamma irradiation of glasses activated by terbium, RCC are formed which are probably electron trapping centers and correspond to the paramagnetic center (PMC).

• Research Organization: M.I. Kalinin Leningrad Polytechnic Institute
• OSTI ID: 5498476
• Journal Information: Sov. J. Glass Phys. Chem.; (United States), Journal Name: Sov. J. Glass Phys. Chem.; (United States) Vol. 11:1; ISSN SJGCD
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603 -- Materials-- Properties
360605* -- Materials-- Radiation Effects
ABSORPTION SPECTRA
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM PHOSPHATES
CAPTURE
COLOR CENTERS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
CRYSTALS
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE
ELECTRON SPIN RESONANCE
ELEMENTS
FLUORIDES
FLUORINE COMPOUNDS
GAMMA RADIATION
GLASS
HALIDES
HALOGEN COMPOUNDS
HEAT TREATMENTS
IONIZING RADIATIONS
IRRADIATION
LITHIUM COMPOUNDS
LITHIUM FLUORIDES
LITHIUM HALIDES
MAGNETIC RESONANCE
MATERIALS
METALS
MONOCRYSTALS
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
RADIATION EFFECTS
RADIATIONS
RARE EARTHS
RESONANCE
SPECTRA
SYNTHESIS
TERBIUM
VACANCIES