Paramagnetic Resonance Spectra of Alkali Borate Glasses Irradiated with Gamma-Rays
Journal Article
·
· Nippon Kagaku Zasshi (Journal of the Chemistry Society of Japan, Pure Chemistry Section)
Borate glasses containing alkali oxides were irradiated with gamma rays at room temperature. The samples were pulverized and enclosed in a glass tube in vacuo. The total dose was approximates 5 x 106 r. The electron- spin resonance absorption of the irradiated glass was measured at 9000 Mc. The glass samples showed a prominent resonance absorption of g = 2.0, with minor differences in their structures. Fused borate and alkali borate glasses displayed a magnetic hyperfine structure of 4 peaks separated from each other by 13.5 gauss. The magnetic hyperfine structure may be ascribed to B/sup 11/ with I = 3/2. A defect model by which an electron is removed from an oxygen atom seems adequate to account for the observed magnetic hyperfine structure. The alkali borate glasses showed additional resonance absorption, which seems to originate from alkali metals. The presence of H2O or OH- ion in glass and water absorbed on the glass surface inhibited the formation of radioinduced defect centers. (H.H.D.)
- Research Organization:
- Tokyo Shibaura Electric Co. Ltd. Kanagawa
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-008900
- OSTI ID:
- 4734823
- Journal Information:
- Nippon Kagaku Zasshi (Journal of the Chemistry Society of Japan, Pure Chemistry Section), Journal Name: Nippon Kagaku Zasshi (Journal of the Chemistry Society of Japan, Pure Chemistry Section) Journal Issue: 12 Vol. 82; ISSN 0369-5387
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ABSORPTION
ALKALI METALS
ATOMIC MODELS
ATOMS
BORATES
BORON
DEFECTS
ELECTRONS
EQUATIONS
ERRORS
FERROMAGNETIC MATERIALS
GAMMA RADIATION
GLASS
INTERACTIONS
IONS
IRRADIATION
LATTICES
MAGNETIC RESONANCE
MATHEMATICS
METALS, CERAMICS, AND OTHER MATERIALS
MOLECULES
NUCLEI
ORBITS
POWDERS
RADIATION DOSES
RADIATION EFFECTS
SPECTRA
SPIN
SPIN WAVES
TUBES
VACUUM
WATER
ALKALI METALS
ATOMIC MODELS
ATOMS
BORATES
BORON
DEFECTS
ELECTRONS
EQUATIONS
ERRORS
FERROMAGNETIC MATERIALS
GAMMA RADIATION
GLASS
INTERACTIONS
IONS
IRRADIATION
LATTICES
MAGNETIC RESONANCE
MATHEMATICS
METALS, CERAMICS, AND OTHER MATERIALS
MOLECULES
NUCLEI
ORBITS
POWDERS
RADIATION DOSES
RADIATION EFFECTS
SPECTRA
SPIN
SPIN WAVES
TUBES
VACUUM
WATER