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Measurement of the amount of free and bound hydrogen in amorphous carbon

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Abstract

The effusion of hydrogen and other gases from an amorphous carbon a-C:H film annealed at temperatures of 100–1000°C was studied. A direct method was used to determine the amount of hydrogen in the material as 26 at.%. The amount of free hydrogen was determined as 4 at.%. The temperature curve for the release of free hydrogen gas has a maximum at 400 °C. A broad hydrogen effusion peak was observed above 400 °C. The amount of hydrogen released by breaking of weak C-H bonds was determined as 10 at.% and that released by breaking of strong C-H bonds was determined as 12 at.%.

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Authors and Affiliations

  1. A. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg

    O. I. Kon’kov, I. N. Kapitonov, I. N. Trapeznikova & E. I. Terukov

Authors
  1. O. I. Kon’kov
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  2. I. N. Kapitonov
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  3. I. N. Trapeznikova
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  4. E. I. Terukov
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Additional information

Pis’ma Zh. Tekh. Fiz. 23, 3–8 (January 12, 1997)

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Kon’kov, O.I., Kapitonov, I.N., Trapeznikova, I.N. et al. Measurement of the amount of free and bound hydrogen in amorphous carbon. Tech. Phys. Lett. 23, 9–10 (1997). https://doi.org/10.1134/1.1261626

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  • DOI: https://doi.org/10.1134/1.1261626

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