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Grace Pakeltis

Grace Pakeltis.What is your thesis topic?
I am studying the plasmonic and phononic phenomena in 2d and 3d nanostructures through high resolution electron energy loss spectroscopy.

How is materials processing involved in your research?
At the center of my research is a dedication to the advancement of materials processing through micro and nanofabrication techniques. The investigation of fundamental plasmonic phenomena is advanced by improvements in micro- and nano- 3d manufacturing. I utilize a hybrid fabrication approach combining focused electron beam induced deposition, atomic layer deposition, and sputtering to create a direct write method for 3D plasmonic structures. The development of this material’s processing technique creates a path towards robust geometric studies to elucidate plasmonic property trends.

Provide an example of where the material, process, or properties you are studying might find an application.
The field of plasmonics exploits the unique property of metallic nanostructures to manipulate light at the nanometer scale. The efficiency in which plasmonic nanostructures couple light into intense optical nearfields has a variety of applications across multiple fields (e.g., sensing, imaging, photovoltaics, and photocatalysis.)