Self-diffusion in thallium
β Scribed by G.A. Shirn
- Publisher
- Elsevier Science
- Year
- 1955
- Weight
- 231 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0001-6160
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π SIMILAR VOLUMES
Self-diffusion coefficients parallel (D,) and perpendicular (01) to the tetragonal axis were measured in paired samples of single-crystal indium in the range from 44" to 144Β°C. The ratio D,,/DL was found to be ~0.75 + 0.05 and was not noticeably temperature dependent. Thus the activation energies Q,
of a closed structure-when the dendrite might still be considered a perfect crystal, because of temperature difference the A& branch for example has more translation vectors in the direction of growth than the CD branch. While the dendrite branches are becoming thicker, the temperature of the AB bra