The preparation and mechanical properties of Al-containing a-C: HHHH thin films

Guangan Zhang, Pengxun Yan, Peng Wang, Youming Chen, Junyan Zhang

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Al-containing hydrogenated amorphous carbon (Al-C : H) films were deposited on silicon substrates using a mid frequency magnetron sputtering Al target in an argon and methane gas mixture. The composition, surface morphology, hardness and friction coefficient of the films were characterized using x-ray photoelectron spectroscopy, atomic force microscopy, nanoindentation and tribological tester. The Al-C : H films deposited at low CH4 content show high surface roughness, low hardness and high friction coefficient, similar to metallic Al films; in contrast, the Al-C : H films prepared under high CH4 content indicate low surface roughness, high hardness and low friction coefficient, close to that of hard a-C : H films as wear-resistance films.

Original languageEnglish
Pages (from-to)6748-6753
Number of pages6
JournalJournal of Physics D: Applied Physics
Volume40
Issue number21
DOIs
StatePublished - 7 Nov 2007
Externally publishedYes

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