{"id":"https://openalex.org/W4401880412","doi":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631425","title":"71 GHz-f<sub>max</sub> \u03b2-Ga<sub>2</sub>O<sub>3</sub>-on-SiC RF Power MOSFETs with Record P<sub>out</sub>=3.1 W/mm and PAE=50.8% at 2 GHz, P<sub>out</sub>= 2.3 W/mm at 4 GHz, and Low Microwave Noise Figure","display_name":"71 GHz-f<sub>max</sub> \u03b2-Ga<sub>2</sub>O<sub>3</sub>-on-SiC RF Power MOSFETs with Record P<sub>out</sub>=3.1 W/mm and PAE=50.8% at 2 GHz, P<sub>out</sub>= 2.3 W/mm at 4 GHz, and Low Microwave Noise Figure","publication_year":2024,"publication_date":"2024-06-16","ids":{"openalex":"https://openalex.org/W4401880412","doi":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631425"},"language":"en","primary_location":{"id":"doi:10.1109/vlsitechnologyandcir46783.2024.10631425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631425","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5004353641","display_name":"Min Zhou","orcid":"https://orcid.org/0000-0002-7319-9570"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zhou","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077506146","display_name":"Hong Zhou","orcid":"https://orcid.org/0000-0002-0741-7568"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Zhou","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007702525","display_name":"Mengwei Si","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"S. Mengwei","raw_affiliation_strings":["Shanghai Jiao Tong University,Department of Electronic Engineering,Shanghai,China,200240"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University,Department of Electronic Engineering,Shanghai,China,200240","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057175822","display_name":"Guangjie Gao","orcid":"https://orcid.org/0009-0008-2923-2688"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangjie Gao","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032133232","display_name":"Xiaojin Chen","orcid":"https://orcid.org/0000-0002-4735-7467"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojin Chen","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072666084","display_name":"Xiaoxiao Zhu","orcid":"https://orcid.org/0000-0001-8293-2941"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxiao Zhu","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029721135","display_name":"Kui Dang","orcid":"https://orcid.org/0000-0002-9484-2035"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kui Dang","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114213927","display_name":"Peijun Ma","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"M. Peijun","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100321027","display_name":"Xiaohua Ma","orcid":"https://orcid.org/0000-0002-1331-6253"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"M. Xiaohua","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112318391","display_name":"Xuefeng Zheng","orcid":"https://orcid.org/0000-0001-9474-047X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuefeng Zheng","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100328504","display_name":"Zhihong Liu","orcid":"https://orcid.org/0000-0002-5724-9945"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhihong Liu","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110665323","display_name":"Jincheng Zhang","orcid":"https://orcid.org/0009-0004-2607-9850"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jincheng Zhang","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089728227","display_name":"Yuhao Zhang","orcid":"https://orcid.org/0000-0001-6350-4861"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuhao Zhang","raw_affiliation_strings":["Center for Power Electronics Systems, Virginia Tech,Blacksburg,USA,24060"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Power Electronics Systems, Virginia Tech,Blacksburg,USA,24060","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100427150","display_name":"Yue Hao","orcid":"https://orcid.org/0000-0001-7876-8878"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Hao","raw_affiliation_strings":["Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wide Band Gap Semiconductor Materials and Devices, School of Microelectronics and Guangzhou institute of technology, Xidian University,Xi&#x0027;an,China,710071","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3981,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.91016742,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":96},"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/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/T10472","display_name":"Semiconductor materials and devices","score":0.9997000098228455,"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"}},{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","score":0.9991999864578247,"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/materials-science","display_name":"Materials science","score":0.6531867384910583},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.5231503248214722},{"id":"https://openalex.org/keywords/power-mosfet","display_name":"Power MOSFET","score":0.5126010775566101},{"id":"https://openalex.org/keywords/mosfet","display_name":"MOSFET","score":0.5012128353118896},{"id":"https://openalex.org/keywords/gallium-arsenide","display_name":"Gallium arsenide","score":0.4209361672401428},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.38264843821525574},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.19005370140075684},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14983737468719482},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.10904976725578308}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6531867384910583},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5231503248214722},{"id":"https://openalex.org/C88653102","wikidata":"https://www.wikidata.org/wiki/Q570553","display_name":"Power MOSFET","level":5,"score":0.5126010775566101},{"id":"https://openalex.org/C2778413303","wikidata":"https://www.wikidata.org/wiki/Q210793","display_name":"MOSFET","level":4,"score":0.5012128353118896},{"id":"https://openalex.org/C510052550","wikidata":"https://www.wikidata.org/wiki/Q422819","display_name":"Gallium arsenide","level":2,"score":0.4209361672401428},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.38264843821525574},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.19005370140075684},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14983737468719482},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.10904976725578308}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vlsitechnologyandcir46783.2024.10631425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vlsitechnologyandcir46783.2024.10631425","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)","raw_type":"proceedings-article"},{"id":"pmh:oai:hub.hku.hk:10722/352464","is_oa":false,"landing_page_url":"https://hub.hku.hk/handle/10722/352464","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference_Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8500000238418579,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5821942213","display_name":null,"funder_award_id":"62222407","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W4212902471","https://openalex.org/W4252026737"],"related_works":["https://openalex.org/W2906268959","https://openalex.org/W2385412623","https://openalex.org/W2082505892","https://openalex.org/W2543878150","https://openalex.org/W2258872751","https://openalex.org/W1566503697","https://openalex.org/W808580226","https://openalex.org/W1523219001","https://openalex.org/W2130827112","https://openalex.org/W2567769591"],"abstract_inverted_index":{"In":[0,66],"this":[1,68],"work,":[2],"we":[3,96],"demonstrate":[4],"heavily-doped$(8\\times":[5],"10^{18}\\":[6],"\\text{cm}^{-3})$and":[7],"gate-recessed":[8],"\u03b2-Ga2O3RF":[9],"power":[10,34,45,50,113],"MOSFETs":[11],"integrated":[12],"on":[13],"a":[14,31,37],"high":[15,25],"thermal":[16],"conductivity":[17],"SiC":[18],"substrate":[19],"to":[20],"minimize":[21],"self-heating":[22],"effect":[23,28],"(SHE),":[24],"on-resistance$(\\mathrm{R}_{\\text{on}})$and":[26],"short-channel":[27],"(SCE).":[29],"As":[30],"result,$\\beta-\\text{Ga}_{2}\\mathrm{O}_{3}{-}$on-SiC":[32],"RF":[33,104,112],"FETs":[35],"achieve":[36],"record":[38],"maximum":[39],"oscillation":[40],"frequency$(\\mathrm{f}_{\\max})$of":[41],"71":[42],"GHz,":[43],"output":[44],"density$(\\mathrm{P}_{\\text{out}})$of":[46],"3.1":[47],"W/mm":[48],"and":[49,110],"added":[51],"efficiency":[52],"(PAE)":[53],"of":[54,59,79,85,102],"50.8%":[55],"at":[56,82],"frequency":[57],"(f)":[58],"2":[60],"GHz":[61,87],"and$\\mathrm{P}_{\\text{out}}=2.3\\":[62],"\\mathrm{W}/\\text{mm}$at":[63],"f=4":[64],"GHz.":[65],"addition,":[67],"work":[69],"for":[70,106],"the":[71,75],"first":[72],"time":[73],"studies":[74],"microwave":[76],"noise":[77],"performance":[78],"the$\\beta-\\text{Ga}_{2}\\mathrm{O}_{3}$RF":[80],"MOSFET":[81],"f":[83],"range":[84],"2\u201318":[86],"with":[88],"low":[89],"minimum-noise":[90],"figure$(\\text{NF}_{\\min})$of":[91],"1.6":[92],"dB":[93],"at$\\mathrm{f}=4$GHz.":[94],"Remarkably,":[95],"have":[97],"provided":[98],"an":[99],"effective":[100],"route":[101],"oxide":[103],"transistors":[105],"future":[107],"high-f,":[108],"high-power":[109],"low-noise":[111],"applications.":[114]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
