Electron beam-induced deposition (EBID) is a direct write process where an electron beam locally decomposes a precursor gas leaving behind non-volatile deposits. It is a fast and relatively in-expensive method designed to develop conductive (metal) or isolating (oxide) nanostructures. Unfortunately the EBID process results in deposition of metal nanostructures with relatively high resistivity because the gas precursors employed are hydrocarbon based. We have developed deposition protocols using novel gas-injector system (GIS) with a carbon free Pt precursor. Interconnect type structures were deposited on preformed metal architectures. The obtained structures were analysed by cross-sectional TEM and their electrical properties were analysed ex-situ using four point probe electrical tests. The results suggest that both the structural and electrical characteristics differ significantly from those of Pt interconnects deposited by conventional hydrocarbon based precursors, and show great promise for the development of low resistivity electrical contacts.
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Materials Chemistry and Analysis Group
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University College Cork ->
College of Science, Engineering and Food Science
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University College Cork ->
Tyndall National Institute
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University College Cork ->
Micro-Nanoelectronics Centre
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University College Cork ->
Chemistry - Conference Items
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University College Cork ->
Chemistry
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University College Cork ->
Materials Chemistry and Analysis Group - Conference Items
Ireland ->
University College Cork ->
Research Institutes and Centres
Nikolay Petkov,
J. J. L. Mulder,
Justin D. Holmes,
A. Romano-Rodriguez,
P. Thrompenaars,
Colm O'Regan,
R. J. Dias