84. The effect of iron on the graphitisation of evaporated carbon films
β Scribed by A.E.B Presland; M.C Borah
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 143 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0008-6223
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β¦ Synopsis
Recent
X-ray diffraction studies provide evidence of: (1) Variation of the C-C bond length in alkali metal graphites and in graphite nitrate. The bond expands when the intercalate is an electron donor and contracts when it is an electron acceptor. (2) Progressive in-plane displacement of carbon-layers (nongraphitic stacking) following intercalate ordering in Form II graphite nitrate.
π SIMILAR VOLUMES
Thin films of InSe were obtained by thermal evaporation techniques on glass substrates maintained at various temperatures (T sb = 30Β°, 400Β°C). X-ray diffraction analysis showed the occurrence of amorphous to polycrystalline transformation in the films deposited at higher substrate temperature (400Β°C
The effect of illumination on passivity and the initiation of pitting corrosion on pure iron in borate buffer pH 8.4 is studied. It is observed that a monochromatic (325 nm) illumination of the sample leads to a very strong increase in its pitting corrosion resistance-apparent from pitting potential
## Abstract Effect of chlorides on the passive film formed on iron in borate buffer has been investigated by Auger Electron Spectroscopy (AES) and coulometric methods. AES measurements have not given any evidence for chloride entry into the film. Amount of charges necessary to cathodically reduce t