Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 44, Issue 8, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/44/8/085502
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Funding
- Institute for Functional Nanomaterials (NSF) [0701525]
- PR NASA EPSCoR [NNX07AO30A]
- PR DOE EPSCoR (DOE) [DE-FG02-08ER46526]
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Diamond has many potential electronic applications, but the diamond seeding methods are generally harsh on the substrates rendering them unsuitable for integration in electronics. We report a non-abrasive, scalable and economic process of diamond film seeding using kitchen-wrap polyethylene employing hot filament chemical vapour reaction of H2S/CH4/H-2 gas mixtures on Cu substrates. The fabricated diamond films were characterized with scanning electron microscopy, transmission electron microscopy and Raman spectroscopy, which confirm that the deposited film consists of a microcrystalline diamond of size in the range 0.5-1.0 mu m. The synthesized diamond films exhibit a turn-on field of about 8.5V mu m(-1) and long-term stability. Diamond film synthesis using polyethylene will enable the integration of diamond heat sinks into high-power and high-temperature electronic devices.
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