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Nano-droplets deposited in microarrays by femtosecond Ti:sapphire laser-induced forward transfer

By David P. Banks, Christos Grivas, John D. Mills, Robert W. Eason and Ioanna Zergioti

Abstract

The authors present the deposition of nanoscale droplets of Cr using femtosecond Ti:Sapphire Laser-Induced Forward Transfer. Deposits around 300 nm in diameter, significantly smaller than any previously reported, are obtained from a 30 nm thick source film. Deposit size, morphology, and adhesion to a receiver substrate as functions of applied laser fluence are investigated. We show that deposits can be obtained from previously irradiated areas of the source material film with negligible loss of deposition quality, allowing sub-spot size period microarrays to be produced without the need to move the source film

Topics: QC, TA
Year: 2006
OAI identifier: oai:eprints.soton.ac.uk:46142
Provided by: e-Prints Soton

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