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Kim, Dai-Sik
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Topology-Changing Broadband Metamaterials Enabled by Closable Nanotrenches

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dc.contributor.author Kim, Dasom ko
dc.contributor.author Yun, Hyeong Seok ko
dc.contributor.author Das, Bamadev ko
dc.contributor.author Rhie, Jiyeah ko
dc.contributor.author Vasa, Parinda ko
dc.contributor.author Kim, Young-Il ko
dc.contributor.author Choa, Sung-Hoon ko
dc.contributor.author Park, Namkyoo ko
dc.contributor.author Lee, Dukhyung ko
dc.contributor.author Bahk, Young-Mi ko
dc.contributor.author Kim, Dai-Sik ko
dc.date.available 2021-09-09T08:41:01Z -
dc.date.created 2021-06-26 ko
dc.date.issued 2021-05 ko
dc.identifier.citation NANO LETTERS, v.21, no.10, pp.4202 - 4208 ko
dc.identifier.issn 1530-6984 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/53872 -
dc.description.abstract One of the most straightforward methods to actively control optical functionalities of metamaterials is to apply mechanical strain deforming the geometries. These deformations, however, leave symmetries and topologies largely intact, limiting the multifunctional horizon. Here, we present topology manipulation of metamaterials fabricated on flexible substrates by mechanically closing/opening embedded nanotrenches of various geometries. When an inner bending is applied on the substrate, the nanotrench closes and the accompanying topological change results in abrupt switching of metamaterial functionalities such as resonance, chirality, and polarization selectivity. Closable nanotrenches can be embedded in metamaterials of broadband spectrum, ranging from visible to microwave. The 99.9% extinction performance is robust, enduring more than a thousand bending cycles. Our work provides a wafer-scale platform for active quantum plasmonics and photonic application of subnanometer phenomena. ko
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Topology-Changing Broadband Metamaterials Enabled by Closable Nanotrenches ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85103373134 ko
dc.identifier.wosid 000657242300009 ko
dc.type.rims ART ko
dc.identifier.doi 10.1021/acs.nanolett.1c00025 ko
dc.identifier.url https://pubs.acs.org/doi/10.1021/acs.nanolett.1c00025 ko
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