Abstract
The thermal accommodation coefficients (a.c.) of 3He and of 4He on clean tungsten were calculated using the Devonshire formula for temperatures between 70 and 600°K using “realistic” Morse potential parameters. The calculated a.c. values for 3He and 4He and the calculated ratios of the 4He to 3He values are compared with experimental data. The agreement is satisfactory if allowance is made for the error in the transition probability calculation used in the Devonshire formula.
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Dates
Type | When |
---|---|
Created | 21 years, 6 months ago (Feb. 6, 2004, 2:22 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 12:52 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 9, 2024, 5 p.m.) |
Issued | 55 years, 10 months ago (Oct. 15, 1969) |
Published | 55 years, 10 months ago (Oct. 15, 1969) |
Published Print | 55 years, 10 months ago (Oct. 15, 1969) |
@article{Roach_1969, title={Modification of the Devonshire Formula for the Thermal Accommodation Coefficient of Helium on Tungsten}, volume={51}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1672526}, DOI={10.1063/1.1672526}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Roach, D. Vincent and Harris, Robert E.}, year={1969}, month=oct, pages={3404–3406} }