observations have been made over temperatures between 900" and 1300" C. The initial conductance is found to obey Ohm's law; its temperature dependence is of the usual exponential form with an activation energy of 1.1 volt. Optica1 absorption measurements show an absorption maximum at 4000 A.U. Assum
Radiations from 142Lanthanum
โ Scribed by A. Vanden Bosch
- Publisher
- Elsevier Science
- Year
- 1953
- Weight
- 52 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0031-8914
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