{"id":"https://openalex.org/W1504628409","doi":"https://doi.org/10.1109/istt.2014.7238223","title":"Planar terahertz metamaterial using triangular spiral ring resonator","display_name":"Planar terahertz metamaterial using triangular spiral ring resonator","publication_year":2014,"publication_date":"2014-11-01","ids":{"openalex":"https://openalex.org/W1504628409","doi":"https://doi.org/10.1109/istt.2014.7238223","mag":"1504628409"},"language":"en","primary_location":{"id":"doi:10.1109/istt.2014.7238223","is_oa":false,"landing_page_url":"https://doi.org/10.1109/istt.2014.7238223","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025179575","display_name":"Nadeem Naeem","orcid":null},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Nadeem Naeem","raw_affiliation_strings":["Universiti Putra Malaysia, Serdang, Selangor, MY","Engineering Faculty, University Putra Malaysia"],"affiliations":[{"raw_affiliation_string":"Universiti Putra Malaysia, Serdang, Selangor, MY","institution_ids":["https://openalex.org/I130343225"]},{"raw_affiliation_string":"Engineering Faculty, University Putra Malaysia","institution_ids":["https://openalex.org/I130343225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002501317","display_name":"Alyani Ismail","orcid":"https://orcid.org/0000-0002-3085-4889"},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Alyani Ismail","raw_affiliation_strings":["Universiti Putra Malaysia, Serdang, Selangor, MY","Center of Excellence for wireless and Photonics Networks, University Putra Malaysia"],"affiliations":[{"raw_affiliation_string":"Universiti Putra Malaysia, Serdang, Selangor, MY","institution_ids":["https://openalex.org/I130343225"]},{"raw_affiliation_string":"Center of Excellence for wireless and Photonics Networks, University Putra Malaysia","institution_ids":["https://openalex.org/I130343225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113478421","display_name":"Adam Reda Hassan Alhawari","orcid":null},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Adam Reda Hassan Alhawari","raw_affiliation_strings":["Universiti Putra Malaysia, Serdang, Selangor, MY","Center of Excellence for wireless and Photonics Networks, University Putra Malaysia"],"affiliations":[{"raw_affiliation_string":"Universiti Putra Malaysia, Serdang, Selangor, MY","institution_ids":["https://openalex.org/I130343225"]},{"raw_affiliation_string":"Center of Excellence for wireless and Photonics Networks, University Putra Malaysia","institution_ids":["https://openalex.org/I130343225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076713388","display_name":"Mohd Adzir Mahdi","orcid":"https://orcid.org/0000-0002-2843-181X"},"institutions":[{"id":"https://openalex.org/I130343225","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64","country_code":"MY","type":"education","lineage":["https://openalex.org/I130343225"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Mohd Adzir Mahdi","raw_affiliation_strings":["Universiti Putra Malaysia, Serdang, Selangor, MY","Center of Excellence for wireless and Photonics Networks, University Putra Malaysia"],"affiliations":[{"raw_affiliation_string":"Universiti Putra Malaysia, Serdang, Selangor, MY","institution_ids":["https://openalex.org/I130343225"]},{"raw_affiliation_string":"Center of Excellence for wireless and Photonics Networks, University Putra Malaysia","institution_ids":["https://openalex.org/I130343225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5025179575"],"corresponding_institution_ids":["https://openalex.org/I130343225"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02259558,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"37","issue":null,"first_page":"298","last_page":"300"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10245","display_name":"Metamaterials and Metasurfaces Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.8673121929168701},{"id":"https://openalex.org/keywords/metamaterial","display_name":"Metamaterial","score":0.8229336738586426},{"id":"https://openalex.org/keywords/resonator","display_name":"Resonator","score":0.6845750212669373},{"id":"https://openalex.org/keywords/permittivity","display_name":"Permittivity","score":0.6738004684448242},{"id":"https://openalex.org/keywords/split-ring-resonator","display_name":"Split-ring resonator","score":0.6589025259017944},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.6354860067367554},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.5986742377281189},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.5693240165710449},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.5397982597351074},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5180466175079346},{"id":"https://openalex.org/keywords/optical-ring-resonators","display_name":"Optical ring resonators","score":0.44203615188598633},{"id":"https://openalex.org/keywords/q-factor","display_name":"Q factor","score":0.4283289313316345},{"id":"https://openalex.org/keywords/dielectric","display_name":"Dielectric","score":0.3698841631412506},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24231436848640442},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.12807971239089966}],"concepts":[{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.8673121929168701},{"id":"https://openalex.org/C110367647","wikidata":"https://www.wikidata.org/wiki/Q497166","display_name":"Metamaterial","level":2,"score":0.8229336738586426},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.6845750212669373},{"id":"https://openalex.org/C168651791","wikidata":"https://www.wikidata.org/wiki/Q211569","display_name":"Permittivity","level":3,"score":0.6738004684448242},{"id":"https://openalex.org/C73862843","wikidata":"https://www.wikidata.org/wiki/Q4992522","display_name":"Split-ring resonator","level":3,"score":0.6589025259017944},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6354860067367554},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.5986742377281189},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.5693240165710449},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5397982597351074},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5180466175079346},{"id":"https://openalex.org/C2778460333","wikidata":"https://www.wikidata.org/wiki/Q4228979","display_name":"Optical ring resonators","level":3,"score":0.44203615188598633},{"id":"https://openalex.org/C187725362","wikidata":"https://www.wikidata.org/wiki/Q830521","display_name":"Q factor","level":3,"score":0.4283289313316345},{"id":"https://openalex.org/C133386390","wikidata":"https://www.wikidata.org/wiki/Q184996","display_name":"Dielectric","level":2,"score":0.3698841631412506},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24231436848640442},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12807971239089966},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/istt.2014.7238223","is_oa":false,"landing_page_url":"https://doi.org/10.1109/istt.2014.7238223","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT)","raw_type":"proceedings-article"},{"id":"pmh:oai:psasir.upm.edu.my:69425","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196260","display_name":"Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I130343225","host_organization_name":"Universiti Putra Malaysia","host_organization_lineage":["https://openalex.org/I130343225"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322714","display_name":"Universiti Putra Malaysia","ror":"https://ror.org/02e91jd64"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W47054843","https://openalex.org/W1976370585","https://openalex.org/W1984415734","https://openalex.org/W1990245077","https://openalex.org/W2014360498","https://openalex.org/W2027652501","https://openalex.org/W2044774140","https://openalex.org/W2064240847","https://openalex.org/W2099775407","https://openalex.org/W2107599280","https://openalex.org/W2113472174","https://openalex.org/W2148020016","https://openalex.org/W6601946321"],"related_works":["https://openalex.org/W2100895417","https://openalex.org/W2520775183","https://openalex.org/W2123492791","https://openalex.org/W2068098957","https://openalex.org/W75536252","https://openalex.org/W2010118559","https://openalex.org/W2094241994","https://openalex.org/W2081747674","https://openalex.org/W2017082258","https://openalex.org/W1555872197"],"abstract_inverted_index":{"We":[0],"report":[1],"a":[2,32,41],"new":[3,84],"shape":[4],"of":[5,31,35,67,95],"subwavelength":[6],"triangular":[7],"spiral":[8],"ring":[9,22],"resonator":[10,23],"which":[11],"is":[12,26,76,81,91],"designed":[13],"to":[14],"operate":[15],"in":[16,65,69,93,99],"terahertz":[17,70,85],"regime.":[18],"The":[19,49,88],"metamaterial":[20,61,86],"split":[21],"unit":[24],"cell":[25],"constructed":[27],"with":[28],"the":[29],"help":[30],"single":[33],"loop":[34],"conducting":[36],"wire":[37],"strip":[38],"printed":[39],"over":[40],"very":[42],"thin":[43],"high":[44],"permittivity":[45],"silicon":[46],"dielectric":[47],"substrate.":[48],"effective":[50],"permittivity,":[51],"permeability":[52],"and":[53],"simulated":[54],"scattering":[55],"parameters":[56],"show":[57],"that":[58],"our":[59],"proposed":[60],"can":[62],"be":[63],"used":[64],"number":[66],"applications":[68],"frequency":[71],"band":[72],"where":[73],"broadband":[74,97],"operation":[75,98],"required.":[77],"Unloaded":[78],"Q":[79],"factor":[80],"calculated":[82],"for":[83],"resonator.":[87],"reported":[89],"structure":[90],"novel":[92],"terms":[94],"its":[96],"THz":[100],"frequencies.":[101]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}