Influence of double bonds and cyclic structure on the AP‐PECVD of low‐korganosilicon insulating layers
Open Access
- 20 January 2021
- journal article
- research article
- Published by Wiley in Plasma Processes and Polymers
- Vol. 18 (3)
Abstract
The influence of the monomer's structure on the growth mechanisms and performances of low dielectric constant insulating thin films elaborated from the atmospheric‐pressure plasma‐enhanced chemical vapour deposition reaction of three different tetrasiloxane compounds is elucidated. The presence of vinyl bonds enables free‐radical polymerisation and surface reaction pathways, which is strongly favoured from the combination of ultrashort plasma pulses (ca. 100 ns), as polymerisation initiator, with long plasma off‐times (10 ms) to yield the formation of atomically smooth thin films with excellent insulating properties (in the range of 10−7 A·cm−2).Keywords
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