{"id":"https://openalex.org/W2006465672","doi":"https://doi.org/10.1143/apex.1.011202","title":"Vertical Solar-Blind Deep-Ultraviolet Schottky Photodetectors Based on \u03b2-Ga2O3Substrates","display_name":"Vertical Solar-Blind Deep-Ultraviolet Schottky Photodetectors Based on \u03b2-Ga2O3Substrates","publication_year":2008,"publication_date":"2008-01-11","ids":{"openalex":"https://openalex.org/W2006465672","doi":"https://doi.org/10.1143/apex.1.011202","mag":"2006465672"},"language":"en","primary_location":{"id":"doi:10.1143/apex.1.011202","doi":"https://doi.org/10.1143/apex.1.011202","is_oa":true,"landing_page_url":"https://doi.org/10.1143/apex.1.011202","pdf_url":"https://iopscience.iop.org/article/10.1143/APEX.1.011202/pdf","source":{"id":"https://openalex.org/S54409865","display_name":"Applied Physics Express","issn_l":"1882-0778","issn":["1882-0778","1882-0786"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Physics Express","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://iopscience.iop.org/article/10.1143/APEX.1.011202/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058984609","display_name":"Takayoshi Oshima","orcid":"https://orcid.org/0000-0001-8550-9735","observed_orcids":["https://orcid.org/0000-0001-8550-9735"]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takayoshi Oshima","raw_affiliation_strings":["Department of Electronic Science and Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Science and Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112261720","display_name":"Takeya Okuno","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeya Okuno","raw_affiliation_strings":["Department of Electronic Science and Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Science and Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041609033","display_name":"Naoki Arai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405274867","display_name":"Nippon Light Metal Co., Ltd. (Japan)","ror":"https://ror.org/02h7b0x59","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405274867"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoki Arai","raw_affiliation_strings":["Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan","institution_ids":["https://openalex.org/I4405274867"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029139643","display_name":"Norihito Suzuki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405274867","display_name":"Nippon Light Metal Co., Ltd. (Japan)","ror":"https://ror.org/02h7b0x59","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405274867"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Norihito Suzuki","raw_affiliation_strings":["Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan","institution_ids":["https://openalex.org/I4405274867"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109280563","display_name":"Shigeo Ohira","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405274867","display_name":"Nippon Light Metal Co., Ltd. (Japan)","ror":"https://ror.org/02h7b0x59","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405274867"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeo Ohira","raw_affiliation_strings":["Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nippon Light Metal Company, Ltd., Kambara, Shimizu-ku, Shizuoka 421-3291, Japan","institution_ids":["https://openalex.org/I4405274867"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062647657","display_name":"Shiz\u03c5o Fujita","orcid":"https://orcid.org/0000-0001-6384-6693","observed_orcids":["https://orcid.org/0000-0001-6384-6693","https://orcid.org/0000-0001-6962-8777"]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shizuo Fujita","raw_affiliation_strings":["Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8520, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8520, Japan","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2365,"currency":"USD","value_usd":2365},"apc_paid":null,"fwci":1.9893,"has_fulltext":true,"cited_by_count":417,"citation_normalized_percentile":{"value":0.87964484,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"1","issue":"1","first_page":"011202","last_page":"011202"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12529","display_name":"Ga2O3 and related materials","score":1.0,"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/T12529","display_name":"Ga2O3 and related materials","score":1.0,"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/T11853","display_name":"Semiconductor materials and interfaces","score":0.0,"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/T11637","display_name":"Advanced Semiconductor Detectors and Materials","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/schottky-photodetectors","display_name":"Schottky photodetectors","score":0.9279999732971191},{"id":"https://openalex.org/keywords/beta-ga2o3","display_name":"\u03b2-Ga2O3","score":0.8949999809265137},{"id":"https://openalex.org/keywords/deep-ultraviolet-photodetection","display_name":"deep ultraviolet photodetection","score":0.8939999938011169},{"id":"https://openalex.org/keywords/vertical-photodetectors","display_name":"vertical photodetectors","score":0.9150000214576721},{"id":"https://openalex.org/keywords/carrier-multiplication","display_name":"carrier multiplication","score":0.7620000243186951},{"id":"https://openalex.org/keywords/photoresponsivity","display_name":"photoresponsivity","score":0.7379999756813049},{"id":"https://openalex.org/keywords/internal-quantum-efficiency","display_name":"internal quantum efficiency","score":0.621999979019165},{"id":"https://openalex.org/keywords/reverse-bias","display_name":"reverse bias","score":0.5040000081062317},{"id":"https://openalex.org/keywords/annealing","display_name":"annealing","score":0.6290000081062317},{"id":"https://openalex.org/keywords/vacuum-evaporation","display_name":"vacuum evaporation","score":0.9340000152587891}],"concepts":[{"id":"https://openalex.org/C23125352","wikidata":"https://www.wikidata.org/wiki/Q210765","display_name":"Photodetector","level":2,"score":0.8489254713058472},{"id":"https://openalex.org/C205507967","wikidata":"https://www.wikidata.org/wiki/Q900625","display_name":"Quantum efficiency","level":2,"score":0.7890874147415161},{"id":"https://openalex.org/C2776798109","wikidata":"https://www.wikidata.org/wiki/Q11391","display_name":"Ultraviolet","level":2,"score":0.6901071071624756},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6545118093490601},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6479099988937378},{"id":"https://openalex.org/C205200001","wikidata":"https://www.wikidata.org/wiki/Q176066","display_name":"Schottky diode","level":3,"score":0.5926852226257324},{"id":"https://openalex.org/C2987974824","wikidata":"https://www.wikidata.org/wiki/Q176300","display_name":"Reverse bias","level":3,"score":0.5829529762268066},{"id":"https://openalex.org/C2777855556","wikidata":"https://www.wikidata.org/wiki/Q4339544","display_name":"Annealing (glass)","level":2,"score":0.5029019713401794},{"id":"https://openalex.org/C16115445","wikidata":"https://www.wikidata.org/wiki/Q2391942","display_name":"Schottky barrier","level":3,"score":0.4995284080505371},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4705783724784851},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.44383347034454346},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1947704255580902},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.07353153824806213},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1143/apex.1.011202","doi":"https://doi.org/10.1143/apex.1.011202","is_oa":true,"landing_page_url":"https://doi.org/10.1143/apex.1.011202","pdf_url":"https://iopscience.iop.org/article/10.1143/APEX.1.011202/pdf","source":{"id":"https://openalex.org/S54409865","display_name":"Applied Physics Express","issn_l":"1882-0778","issn":["1882-0778","1882-0786"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Physics Express","raw_type":"journal-article"},{"id":"pmh:oai:irdb.nii.ac.jp:00897:0004015192","doi":null,"is_oa":false,"landing_page_url":"http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100604157","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Appl. Phys. Express","raw_type":"journal article"},{"id":"pmh:oai:irdb.nii.ac.jp:01221:0000046293","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/2433/78683","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"APPLIED PHYSICS EXPRESS","raw_type":"journal article"},{"id":"pmh:oai:repository.kulib.kyoto-u.ac.jp:2433/78683","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/2433/78683","pdf_url":null,"source":{"id":"https://openalex.org/S4306401454","display_name":"Kyoto University Research Information Repository (Kyoto University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I22299242","host_organization_name":"Kyoto University","host_organization_lineage":["https://openalex.org/I22299242"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:t2r2.star.titech.ac.jp:50103262","doi":null,"is_oa":false,"landing_page_url":"http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100604157","pdf_url":null,"source":{"id":"https://openalex.org/S4377196385","display_name":"Tokyo Tech Research Repository (Tokyo Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114531698","host_organization_name":"Tokyo Institute of Technology","host_organization_lineage":["https://openalex.org/I114531698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1143/apex.1.011202","doi":"https://doi.org/10.1143/apex.1.011202","is_oa":true,"landing_page_url":"https://doi.org/10.1143/apex.1.011202","pdf_url":"https://iopscience.iop.org/article/10.1143/APEX.1.011202/pdf","source":{"id":"https://openalex.org/S54409865","display_name":"Applied Physics Express","issn_l":"1882-0778","issn":["1882-0778","1882-0786"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","norway-1","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Physics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2006465672.pdf","grobid_xml":"https://content.openalex.org/works/W2006465672.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1492977420","https://openalex.org/W1970321396","https://openalex.org/W1982112708","https://openalex.org/W1984904477","https://openalex.org/W2017038274","https://openalex.org/W2031801282","https://openalex.org/W2065791298","https://openalex.org/W2067656873","https://openalex.org/W2070759111","https://openalex.org/W2080853658","https://openalex.org/W2086125165","https://openalex.org/W2112853915","https://openalex.org/W2116051320","https://openalex.org/W2147391259"],"related_works":["https://openalex.org/W2898040103","https://openalex.org/W7001913417","https://openalex.org/W2980439435","https://openalex.org/W4406101425","https://openalex.org/W2899468388","https://openalex.org/W6997142916","https://openalex.org/W7122689670","https://openalex.org/W3212532875","https://openalex.org/W2519696990","https://openalex.org/W4386573221"],"abstract_inverted_index":{"A":[0],"vertical-type":[1],"Schottky":[2],"photodetector":[3,26],"based":[4],"on":[5],"a":[6,28,98],"(100)-oriented":[7],"\u03b2-Ga":[8],"2":[9],"O":[10],"3":[11],"substrate":[12],"has":[13],"been":[14],"fabricated":[15],"with":[16,51],"simple":[17],"processes":[18],"of":[19,54,59,103,111],"thermal":[20],"annealing":[21],"and":[22,38],"vacuum":[23],"evaporation.":[24],"The":[25,45],"exhibited":[27],"rectification":[29],"ratio":[30],"higher":[31,67],"than":[32,68],"10":[33,112],"6":[34],"at":[35,42,57,107],"\u00b13":[36],"V,":[37],"showed":[39,48],"deep-ultraviolet-light":[40],"detection":[41],"reverse":[43,109],"bias.":[44],"spectral":[46],"response":[47],"solar-blind":[49],"sensitivity":[50],"high":[52,99],"photoresponsivities":[53],"2.6\u20138.7":[55],"A/W":[56],"wavelengths":[58],"200\u2013260":[60],"nm.":[61],"These":[62],"values":[63],"were":[64],"35\u2013150":[65],"times":[66],"those":[69],"derived":[70],"assuming":[71],"the":[72,84,89,108],"internal":[73,100],"quantum":[74],"efficiency":[75],"to":[76,83,97],"be":[77],"unity.":[78],"This":[79],"fact":[80],"is":[81,95],"attributed":[82],"carrier":[85],"multiplication":[86],"occurring":[87],"in":[88],"highly":[90],"resistive":[91],"surface":[92],"region":[93],"that":[94],"subject":[96],"electric":[101],"field":[102],"about":[104],"1.0":[105],"MV/cm":[106],"bias":[110],"V.":[113]},"counts_by_year":[{"year":2026,"cited_by_count":16},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":20},{"year":2023,"cited_by_count":34},{"year":2022,"cited_by_count":37},{"year":2021,"cited_by_count":33},{"year":2020,"cited_by_count":45},{"year":2019,"cited_by_count":44},{"year":2018,"cited_by_count":39},{"year":2017,"cited_by_count":32},{"year":2016,"cited_by_count":26},{"year":2015,"cited_by_count":25},{"year":2014,"cited_by_count":18},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}