Modulated 3D light absorption profile in GaN nanorod arrays

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dc.authoridSeo, Hye-won/0000-0001-9307-3492
dc.authoridKeles, Filiz/0000-0003-4548-489X
dc.contributor.authorKeles, Filiz
dc.contributor.authorSeo, Hye-Won
dc.date.accessioned2024-11-07T13:31:53Z
dc.date.available2024-11-07T13:31:53Z
dc.date.issued2021
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe depth dependent UV-light absorption profile of GaN nanorods with different lattice arrays and filling factors was studied using finite-difference time-domain (FDTD) methods. By comparing to the results from LambertBeer's law with Maxwell-Garnett effective medium theory, we identified the quantitative contribution from nano-scattering effect on the light absorption in the nanorod arrays. The FDTD study of graphical 3D profile of light absorption and electric field intensity was parallelly conducted to investigate the origin of the nano scattering. We found that the coupled electric field in the gap regions led to the larger absorption crosssection of the nanorod arrays, which is attributed to the distorted depth profile of the light absorption.
dc.description.sponsorshipNational Research Foundation of Korea [2017R1D1A1B03036132]; National Science Foundation (NSF) in United States [EPS-1003970]
dc.description.sponsorshipThe authors would like to thank Drs. Tansel Karabacak at University of Arkansas at Little Rock (USA) and Jung-Won Wu at Ewha Womans University (Korea) for the insightful discussion. This research was supported by the National Research Foundation of Korea (No.2017R1D1A1B03036132) and National Science Foundation (NSF) in United States (EPS-1003970).
dc.identifier.doi10.1016/j.cap.2020.12.001
dc.identifier.endpage54
dc.identifier.issn1567-1739
dc.identifier.issn1878-1675
dc.identifier.scopus2-s2.0-85099641138
dc.identifier.scopusqualityQ2
dc.identifier.startpage50
dc.identifier.urihttps://doi.org/10.1016/j.cap.2020.12.001
dc.identifier.urihttps://hdl.handle.net/11480/15101
dc.identifier.volume22
dc.identifier.wosWOS:000612992300008
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofCurrent Applied Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectGaN
dc.subjectNanorods
dc.subjectFinite-difference time-domain
dc.subjectLambert-Beer's law
dc.titleModulated 3D light absorption profile in GaN nanorod arrays
dc.typeArticle

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