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dc.contributor.author이영백-
dc.date.accessioned2016-10-19T06:02:20Z-
dc.date.available2016-10-19T06:02:20Z-
dc.date.issued2015-04-
dc.identifier.citationCOMPUTATIONAL MATERIALS SCIENCE, v. 103, Page. 189-193en_US
dc.identifier.issn0927-0256-
dc.identifier.issn1879-0801-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0927025615001391-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/23890-
dc.description.abstract"Looking for alterable metamaterials, whose electromagnetic properties can be dynamically and real-time controlled, has attracted a great attention recently. In this paper, we present a numerical study of thermo-tunable polarization-insensitive fishnet metamaterials operating at THz regime. The conventionally used metal is replaced by InSb in which the temperature-dependent conductivity plays a key role in tuning the left-handed frequency. By increasing the temperature of the InSb patterns from 300 to 350 K, we show that the left-handed transmission peak can shift from 0.8 to 1.1 THz and fractional bandwidth of the negative refractive index goes from 14% to 22%. Thermally increased carrier density of InSb is found to be the reason for the enhanced magnetic resonance and stronger left-handed behavior in addition to the tunability. The equivalent LC circuit model and standard retrieval method are performed to elaborate our proposed idea. (C) 2015 Elsevier B.V. All rights reserved."en_US
dc.description.sponsorshipThis research was funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant No. "103.02-2013.54".en_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.subjectMetamaterialsen_US
dc.subjectLeft-handed behavioren_US
dc.subjectFishnet structureen_US
dc.titleCharacterizations of a thermo-tunable broadband fishnet metamaterial at THz frequenciesen_US
dc.typeArticleen_US
dc.relation.volume103-
dc.identifier.doi10.1016/j.commatsci.2015.02.038-
dc.relation.page189-193-
dc.relation.journalCOMPUTATIONAL MATERIALS SCIENCE-
dc.contributor.googleauthorHien, Nguyen Thi-
dc.contributor.googleauthorLe, Ly Nguyen-
dc.contributor.googleauthorTrang, Pham Thi-
dc.contributor.googleauthorTung, Bui Son-
dc.contributor.googleauthorViet, Ngo Duc-
dc.contributor.googleauthorDuyen, Phan Thi-
dc.contributor.googleauthorThang, Nguyen Manh-
dc.contributor.googleauthorLee, Young Pak-
dc.contributor.googleauthorViet, Do Thanh-
dc.contributor.googleauthorLam, Vu Dinh-
dc.contributor.googleauthorTung, Nguyen Thanh-
dc.relation.code2015000267-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF NATURAL SCIENCES[S]-
dc.sector.departmentDEPARTMENT OF PHYSICS-
dc.identifier.pidyplee-
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COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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