Affiliation:
1. Physics Department, Chalmers University of Technology, Gothenburg, Sweden
Abstract
The inter-diffusion coefficient of 6Li and 7Li in liquid Li metal has been measured by a capillaryreservoir vacuum lock technique and by mass spectrometric analysis. For the temperature interval 195—450 °C and near-normal isotopic composition, the results can be represented by
D= (1.41 ±0.12) ·10-3 exp[— (2825 ± 90)/ (R T)].
Theoretical relations connecting diffusion and viscosity are well obeyed. Fair agreement is obtained with the COHEN-TURNBULL free volume theory, if Li* is the diffusing species.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
15 articles.
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