title: Dynamic Nanoplasmonics
creator: Duan, Xiaoyang
subject: ddc-530
subject: 530 Physics
description: Light can strongly interact with metallic nanostructures, leading collective oscillations of conduction electrons known as particle plasmons. For a long time, gold and silver have been the metals of choice for constructing plasmonic nanodevices, given their excellent optical properties. However, these metals present static optical responses. In the past decade, tremendous interest has been witnessed in dynamically controlling the optical properties of plasmonic nanostructures. To enable dynamic functionality, several approaches have been proposed and implemented. First one is to manipulate the configurations of plasmonic structures. Second one is to tune the dielectric surroundings of plasmonic nanostructures. Third one, which is probably the most intriguing one, is to directly regulate the carrier densities and dielectric functions of the metals themselves.  Magnesium is one of the promising candidates, as it exhibits excellent optical properties at high frequencies and can absorb/desorb hydrogen, undergoing reversible transitions between metal and dielectric hydride states. This offers great opportunities to design and construct dynamic optical nanodevices at visible frequencies. We envision that Magnesium-based dynamic nanoplasmonics will not only provide insights into understanding the catalytic processes of hydrogen diffusion in metals on the nanometer scale by optical means but also it will open an avenue towards functional plasmonic nanodevices with tailored optical properties for real-world applications.
date: 2019
type: Dissertation
type: info:eu-repo/semantics/doctoralThesis
type: NonPeerReviewed
format: application/pdf
identifier: https://archiv.ub.uni-heidelberg.de/volltextserverhttps://archiv.ub.uni-heidelberg.de/volltextserver/26912/1/phd_thesis_20190527_printed_800dpi.pdf
identifier: DOI:10.11588/heidok.00026912
identifier: urn:nbn:de:bsz:16-heidok-269129
identifier:   Duan, Xiaoyang  (2019) Dynamic Nanoplasmonics.  [Dissertation]     
relation: https://archiv.ub.uni-heidelberg.de/volltextserver/26912/
rights: info:eu-repo/semantics/openAccess
rights: http://archiv.ub.uni-heidelberg.de/volltextserver/help/license_urhg.html
language: eng