The Path to Graphene Synthesis and Applications
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Soracco, David
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Abstract
Graphene is an amazing novel material consisting of one atomic layer of carbon in a hexagonal lattice. The crystal is incredibly versatile, exhibiting useful electrical, thermal, optical, quantum, mechanical and chemical properties. The state of progress in the microelectronics industry is following a constant trend now, but limits on feature miniaturization are approaching in the next 10-20 years. Graphene is a novel material with very high measured carrier mobilities that stands to displace silicon as a viable material for integrated circuit fabrication. This project focuses on its growth by chemical vapor deposition over nickel. The objective is to reliably grow large area fractions of mono and bilayer graphene samples through controlled precipitation of carbon in 300-500 nm nickel films. Samples are analyzed by Raman spectroscopy and sheet resistance measurements as well as optical microscopy. While successful mono and bilayer graphene sample growth is not confirmed, the results echo similar conclusions as recent research into the same process.
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2010-05-12
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Undergraduate Thesis