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27 results on '"Tonanon, N."'

18. Formation of unique nanowhiskers on carbon gels

Author

Tonanon, N, Tanthapanichakoon, W, Yamamoto, T, Nishihara, H, Mukai, SR, Tamon, H, Tonanon, N, Tanthapanichakoon, W, Yamamoto, T, Nishihara, H, Mukai, SR, and Tamon, H

Published
2004

19. Formation of unique nanowhiskers on carbon gels

Author

30111933, Tonanon, N, Tanthapanichakoon, W, Yamamoto, T, Nishihara, H, Mukai, SR, Tamon, H, 30111933, Tonanon, N, Tanthapanichakoon, W, Yamamoto, T, Nishihara, H, Mukai, SR, and Tamon, H

Published
2004

21. Manilkara Adans

Author

Tantra, I.G.M., Tonanon, N., Lemmens, R.H.M.J., and Klaasen, R.

Subjects
Biosystematiek-Diertaxonomie, Life Science
Published
1993

22. Payena A. DC

Author

Lemmens, R.H.M.J., Tonanon, N., and Klaassen, R.

Subjects
Life Science
Published
1993

23. Palaquium Blanco

Author

Kartasubrata, J., Tonanon, N., Lemmens, R.H.M.J., and Klaassen, R.

Subjects
Biosystematiek-Diertaxonomie, Life Science
Published
1993

24. Madhuca Buch.-Ham. ex J.F. Gmelin

Author

Kartasubrata, J., Tonanon, N., Lemmens, R.H.M.J., and Klaassen, R.

Subjects
Biosystematiek-Diertaxonomie, Life Science
Published
1993

27. Coating of diamond-like carbon nanofilm on alumina by microwave plasma enhanced chemical vapor deposition process.

Author

Rattanasatien C, Tonanon N, Bhanthumnavin W, and Paosawatyanyong B

Subjects
Diamond chemistry, Macromolecular Substances chemistry, Materials Testing, Microwaves, Molecular Conformation, Particle Size, Plasma Gases chemistry, Surface Properties, Aluminum Oxide chemistry, Carbon chemistry, Crystallization methods, Membranes, Artificial, Nanostructures chemistry, Nanostructures ultrastructure
Abstract

Diamond-like carbon (DLC) nanofilms with thickness varied from under one hundred to a few hundred nanometers have been successfully deposited on alumina substrates by microwave plasma enhanced chemical vapor deposition (MW-PECVD) process. To obtain dense continuous DLC nanofilm coating over the entire sample surface, alumina substrates were pre-treated to enhance the nucleation density. Raman spectra of DLC films on samples showed distinct diamond peak at around 1332 cm(-1), and the broad band of amorphous carbon phase at around 1550 cm(-1). Full width at half maximum height (FWHM) values indicated good formation of diamond phase in all films. The result of nano-indentation test show that the hardness of alumina samples increase from 7.3 +/- 2.0 GPa in uncoated samples to 15.8 +/- 4.5-52.2 +/- 2.1 GPa in samples coated with DLC depending on the process conditions. It is observed that the hardness values are still in good range although the thickness of the films is less than a hundred nanometer.

Published
2012
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