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Article: Self-Assembled, Nanostructured, Tunable Metamaterials via Spinodal Decomposition

TitleSelf-Assembled, Nanostructured, Tunable Metamaterials via Spinodal Decomposition
Authors
Keywordsmetamaterials
VO 2
spinodal decomposition
self-assembly
nanoscale phase separation
epitaxial thin films
Issue Date2016
Citation
ACS Nano, 2016, v. 10, n. 11, p. 10237-10244 How to Cite?
Abstract© 2016 American Chemical Society. Self-assembly via nanoscale phase separation offers an elegant route to fabricate nanocomposites with physical properties unattainable in single-component systems. One important class of nanocomposites are optical metamaterials which exhibit exotic properties and lead to opportunities for agile control of light propagation. Such metamaterials are typically fabricated via expensive and hard-to-scale top-down processes requiring precise integration of dissimilar materials. In turn, there is a need for alternative, more efficient routes to fabricate large-scale metamaterials for practical applications with deep-subwavelength resolution. Here, we demonstrate a bottom-up approach to fabricate scalable nanostructured metamaterials via spinodal decomposition. To demonstrate the potential of such an approach, we leverage the innate spinodal decomposition of the VO2-TiO2system, the metal-to-insulator transition in VO2, and thin-film epitaxy, to produce self-organized nanostructures with coherent interfaces and a structural unit cell down to 15 nm (tunable between horizontally and vertically aligned lamellae) wherein the iso-frequency surface is temperature-tunable from elliptic to hyperbolic dispersion producing metamaterial behavior. These results provide an efficient route for the fabrication of nanostructured metamaterials and other nanocomposites for desired functionalities.
Persistent Identifierhttp://hdl.handle.net/10722/256801
ISSN
2017 Impact Factor: 13.709
2015 SCImago Journal Rankings: 7.120
ISI Accession Number ID
Errata

 

DC FieldValueLanguage
dc.contributor.authorChen, Zuhuang-
dc.contributor.authorWang, Xi-
dc.contributor.authorQi, Yajun-
dc.contributor.authorYang, Sui-
dc.contributor.authorSoares, Julio A.N.T.-
dc.contributor.authorApgar, Brent A.-
dc.contributor.authorGao, Ran-
dc.contributor.authorXu, Ruijuan-
dc.contributor.authorLee, Yeonbae-
dc.contributor.authorZhang, Xiang-
dc.contributor.authorYao, Jie-
dc.contributor.authorMartin, Lane W.-
dc.date.accessioned2018-07-24T08:57:57Z-
dc.date.available2018-07-24T08:57:57Z-
dc.date.issued2016-
dc.identifier.citationACS Nano, 2016, v. 10, n. 11, p. 10237-10244-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10722/256801-
dc.description.abstract© 2016 American Chemical Society. Self-assembly via nanoscale phase separation offers an elegant route to fabricate nanocomposites with physical properties unattainable in single-component systems. One important class of nanocomposites are optical metamaterials which exhibit exotic properties and lead to opportunities for agile control of light propagation. Such metamaterials are typically fabricated via expensive and hard-to-scale top-down processes requiring precise integration of dissimilar materials. In turn, there is a need for alternative, more efficient routes to fabricate large-scale metamaterials for practical applications with deep-subwavelength resolution. Here, we demonstrate a bottom-up approach to fabricate scalable nanostructured metamaterials via spinodal decomposition. To demonstrate the potential of such an approach, we leverage the innate spinodal decomposition of the VO2-TiO2system, the metal-to-insulator transition in VO2, and thin-film epitaxy, to produce self-organized nanostructures with coherent interfaces and a structural unit cell down to 15 nm (tunable between horizontally and vertically aligned lamellae) wherein the iso-frequency surface is temperature-tunable from elliptic to hyperbolic dispersion producing metamaterial behavior. These results provide an efficient route for the fabrication of nanostructured metamaterials and other nanocomposites for desired functionalities.-
dc.languageeng-
dc.relation.ispartofACS Nano-
dc.subjectmetamaterials-
dc.subjectVO 2-
dc.subjectspinodal decomposition-
dc.subjectself-assembly-
dc.subjectnanoscale phase separation-
dc.subjectepitaxial thin films-
dc.titleSelf-Assembled, Nanostructured, Tunable Metamaterials via Spinodal Decomposition-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acsnano.6b05736-
dc.identifier.scopuseid_2-s2.0-84997171101-
dc.identifier.volume10-
dc.identifier.issue11-
dc.identifier.spage10237-
dc.identifier.epage10244-
dc.identifier.eissn1936-086X-
dc.identifier.isiWOS:000388913100053-
dc.relation.erratumdoi: 10.1021/acsnano.6b08388-

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