Amorphous carbon: how much of free hydrogen?

Citation
In. Kapitonov et al., Amorphous carbon: how much of free hydrogen?, DIAM RELAT, 9(3-6), 2000, pp. 707-710
Citations number
11
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
DIAMOND AND RELATED MATERIALS
ISSN journal
09259635 → ACNP
Volume
9
Issue
3-6
Year of publication
2000
Pages
707 - 710
Database
ISI
SICI code
0925-9635(200004/05)9:3-6<707:ACHMOF>2.0.ZU;2-R
Abstract
A method of stepped isochronous heating was used for investigation of the s tate and amount of free and bonded hydrogen in amorphous carbon (a-C:H) fil ms. Hydrogen and other gas effusion processes were studied on unprotected a nd Pd layer protected a-C:H him which allow the separation of hydrogen from CnHm components. The amount of hydrogen released by the breaking of weak C -H bonds was determined to be 10 at.%, and that released by the breaking of strong C-H bonds was 12 at.%. The amount of free hydrogen in the material was estimated at 12-14 at.%. (C) 2000 Elsevier Science S.A. All rights rese rved.