{"id":"https://openalex.org/W4385192262","doi":"https://doi.org/10.1109/drc58590.2023.10187026","title":"Size dependent characteristics of AlGaN-based ultraviolet micro-LEDs","display_name":"Size dependent characteristics of AlGaN-based ultraviolet micro-LEDs","publication_year":2023,"publication_date":"2023-06-25","ids":{"openalex":"https://openalex.org/W4385192262","doi":"https://doi.org/10.1109/drc58590.2023.10187026"},"language":"en","primary_location":{"id":"doi:10.1109/drc58590.2023.10187026","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drc58590.2023.10187026","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Device Research Conference (DRC)","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/A5007064144","display_name":"Yifan Yao","orcid":"https://orcid.org/0000-0003-4960-7471"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yifan Yao","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100695821","display_name":"Hongjian Li","orcid":"https://orcid.org/0000-0003-0635-4777"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hongjian Li","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100384504","display_name":"Panpan Li","orcid":"https://orcid.org/0000-0003-2629-0299"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"PanPan Li","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020705943","display_name":"Christian J. Zollner","orcid":"https://orcid.org/0000-0003-4604-3762"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christian J. Zollner","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100438314","display_name":"Michael Wang","orcid":"https://orcid.org/0000-0001-9247-5473"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Wang","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016589979","display_name":"Michael Iza","orcid":"https://orcid.org/0000-0002-8695-1557"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Iza","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066555038","display_name":"James S. Speck","orcid":"https://orcid.org/0000-0002-8045-4090"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James S. Speck","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041042871","display_name":"Steven P. DenBaars","orcid":"https://orcid.org/0000-0002-6612-5258"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Steven P. DenBaars","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117","Electrical and Computer Engineering Department, University of California, Santa Barbra, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Electrical and Computer Engineering Department, University of California, Santa Barbra, CA, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030709847","display_name":"Shuji Nakamura","orcid":"https://orcid.org/0000-0001-6334-2428"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shuji Nakamura","raw_affiliation_strings":["University of California,Materials Department,Santa Barbara,CA,USA,93117","Electrical and Computer Engineering Department, University of California, Santa Barbra, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California,Materials Department,Santa Barbara,CA,USA,93117","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Electrical and Computer Engineering Department, University of California, Santa Barbra, CA, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154570441"],"apc_list":null,"apc_paid":null,"fwci":0.1762,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.47680642,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12529","display_name":"Ga2O3 and related materials","score":0.9990000128746033,"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/T10090","display_name":"ZnO doping and properties","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/light-emitting-diode","display_name":"Light-emitting diode","score":0.901636004447937},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.6493178606033325},{"id":"https://openalex.org/keywords/ultraviolet","display_name":"Ultraviolet","score":0.6386944055557251},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.59034264087677},{"id":"https://openalex.org/keywords/current-crowding","display_name":"Current crowding","score":0.5277194380760193},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.346421480178833},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.24549055099487305},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.20383581519126892},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12145432829856873}],"concepts":[{"id":"https://openalex.org/C176666156","wikidata":"https://www.wikidata.org/wiki/Q25504","display_name":"Light-emitting diode","level":2,"score":0.901636004447937},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6493178606033325},{"id":"https://openalex.org/C2776798109","wikidata":"https://www.wikidata.org/wiki/Q11391","display_name":"Ultraviolet","level":2,"score":0.6386944055557251},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.59034264087677},{"id":"https://openalex.org/C115900370","wikidata":"https://www.wikidata.org/wiki/Q5195096","display_name":"Current crowding","level":3,"score":0.5277194380760193},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.346421480178833},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.24549055099487305},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.20383581519126892},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12145432829856873}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/drc58590.2023.10187026","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drc58590.2023.10187026","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Device Research Conference (DRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.800000011920929,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2887291939","https://openalex.org/W3007869460","https://openalex.org/W3172371530","https://openalex.org/W3174538519","https://openalex.org/W3196263063"],"related_works":["https://openalex.org/W3136966974","https://openalex.org/W2093204556","https://openalex.org/W2061040333","https://openalex.org/W2410524058","https://openalex.org/W2108692855","https://openalex.org/W2267349003","https://openalex.org/W2171760424","https://openalex.org/W2058654079","https://openalex.org/W2097593946","https://openalex.org/W2013531946"],"abstract_inverted_index":{"AlGaN-based":[0],"deep":[1],"ultraviolet":[2],"LEDs":[3,25,133],"have":[4,55,93],"attracted":[5],"significant":[6,79],"interest":[7],"as":[8,63],"a":[9,107,136,147],"reliable":[10],"and":[11,138],"efficient":[12],"disinfection":[13],"technology":[14],"to":[15,58,96],"combat":[16],"the":[17,31,35,39,60,82,98,111,116,126],"pandemic":[18],"outbreaks.":[19],"However,":[20],"EQEs":[21],"of":[22,30],"commercial":[23],"DUV":[24,117],"is":[26,38,46],"currently":[27],"low.":[28],"One":[29],"bottlenecks":[32],"that":[33],"limit":[34],"overall":[36],"efficiency":[37,43],"low":[40],"light":[41],"extraction":[42],"(LEE),":[44],"which":[45,75],"<15%":[47],"for":[48],"conventional":[49],"flip":[50],"chip":[51],"devices.":[52],"Many":[53],"attempts":[54],"been":[56,94],"made":[57],"increases":[59],"LEE,":[61],"such":[62],"using":[64],"thin":[65],"(or":[66],"no)":[67],"absorbing":[68],"p-GaN":[69],"layer":[70],"or":[71,85],"fabricating":[72],"novel":[73],"microstructures,":[74],"often":[76],"result":[77],"in":[78,81,100,115,130],"increase":[80,97],"forward":[83],"voltage":[84],"involve":[86],"costly":[87],"processing":[88],"steps.":[89],"<tex":[90,121],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[91,122],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$\\mu\\text{LEDs}$</tex>":[92,123],"proved":[95],"LEE":[99],"visible":[101],"wavelength":[102],"devices":[103],"but":[104],"there":[105],"are":[106],"few":[108],"reports":[109],"on":[110,141],"size":[112],"dependence":[113],"characteristics":[114],"range":[118],"[1]\u2013[2].":[119],"Additionally,":[120],"can":[124],"prevent":[125],"current":[127],"crowding":[128],"present":[129],"large":[131],"UV":[132],"since":[134],"growing":[135],"thick":[137],"conductive":[139],"n-AlGaN":[140],"AlN":[142],"templates":[143],"without":[144],"relaxation":[145],"remains":[146],"challenge.":[148]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}