7. Electron spin resonance of carbon films prepared from graphite oxide
β Scribed by S Toyoda; T Yamakawa; Y Yamada
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 112 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0008-6223
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π SIMILAR VOLUMES
Carbon films deposited on Pyrex, silica and alumina substrates have free spin concentrations similar to those found for chars. The results of heat treatment show that a maximum in the spin concentration occurs at a heat treatment temperature of about 150Β°C and that when silica and alumina substrates
Temperature dependence studies of the paramagnetic susceptibility of four series of organic polymers, heat-treated between 300" and 900Β°C have shown the susceptibilities to follow a Curie-Weiss law. This information was used to correct the values of unpaired electron concentrations previously report