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Effect of glass composition on diffusion of cesium in borosilicate glass
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Sumit Kumar
Published/Copyright:
September 25, 2009
Summary
Heavy ion Rutherford backscattering spectrometry, with 30 MeV 19F beam, has been used to study the diffusion of cesium in borosilicate glasses of different compositions. The coefficient of cesium diffusion in borosilicate glass was obtained by analyzing the depth profile of cesium in samples annealed at different temperatures in the range of 100-350 °C. The activation energy of diffusion of cesium was found to be in the range of 9-22 kJ/mol, indicating the inter-diffusion between the cesium and sodium as the mechanism of the diffusion process. The activation energy was found to decrease with increasing sodium content of the glass, indicating that the alkali metal ion diffusion is governed by the interaction between the jumping ion and the dipole field around the oxygen ions.
Keywords: Heavy ion Rutherford backscattering spectrometry; 19F beam; Cesium diffusion; Borosilicate glass
Received: 2005-9-5
Accepted: 2006-1-18
Published Online: 2009-9-25
Published in Print: 2006-6-1
© by Oldenbourg Wissenschaftsverlag, München
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Keywords for this article
Heavy ion Rutherford backscattering spectrometry;
19F beam;
Cesium diffusion;
Borosilicate glass
Articles in the same Issue
- Preface - Special Issue: NUCAR 2005
- Incomplete fusion mechanism in 16O + 93Nb reaction at 6 MeV/nucleon: Recoil range measurements
- Extraction of actinides using N, N, N′, N′-tetraoctyl diglycolamide (TODGA): a thermodynamic study
- Extraction of neptunium(IV) by a mixture of 3-phenyl-4-acetyl-5-isoxazolone and tri-n-octyl phosphine oxide
- Third phase formation in the extraction of Th(NO3)4 by tri-2-methyl butyl phosphate from nitric acid media
- Solvent extraction behaviour of some fission product elements with N,N-dihexyl octanamide and tri-n-butyl phosphate under simulated PUREX process conditions
- Transport of uranium from nitric acid solution by non-dispersive solvent extraction using a hollow fibre contactor
- Fixation of some major fission products in NaZr2P3O12 ceramic employing microwave heating
- Synthesis, characterization and structural refinement of polycrystalline uranium substituted zirconolite CaZr0.9U0.1Ti2O7
- Effect of glass composition on diffusion of cesium in borosilicate glass
- Studies on diffusional mobility and selectivity of I− ion in plasticized anion-exchange membrane using radiotracer
- BEHSA grafted polymer for selective extraction of U(VI), Th(IV) and La(III) from acidic matrices and environmental samples – a green process
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- Effect of humic acid on cesium sorption on silica colloids
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