| Visible frequency magnetic activity in silver nanocluster metamaterial. | |
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MedLine Citation:
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PMID: 20197797 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We experimentally observe magnetic resonance in the visible frequency region from self-assembled silver nanocluster metamaterials. Extensive numerical modeling studies were conducted to find the optimal nanocluster dimensions. Self-assembly of silver nanoparticles coated with nanoscale silica coating was then performed on polymer templates fabricated by laser interference lithography. The nanoclusters supported magnetic resonance in the visible region, and the extracted effective permeability exhibited Lorentz-like resonance. The experimentally observed lowest value for the real part of permeability was 0.06. The nanocluster metamaterial represents a practical metamaterial architecture that is compatible with the scalable bottom-up manufacturing process. |
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Authors:
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Venkata Ananth Tamma; Jin-Hyoung Lee; Qi Wu; Wounjhang Park |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied optics Volume: 49 ISSN: 1539-4522 ISO Abbreviation: Appl Opt Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-03-03 Completed Date: 2010-05-25 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0247660 Medline TA: Appl Opt Country: United States |
Other Details:
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Languages: eng Pagination: A11-7 Citation Subset: - |
Affiliation:
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Department of Electrical, Computer, and Energy Engineering, University of Colorado, Boulder, Colorado 80309-0425, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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