{"id":"https://openalex.org/W7225633690","doi":"https://doi.org/10.1116/6.0005867","title":"Mg diffusion from p++ GaN cap layer degrades optically active acceptor density and radiative recombination in p-GaN","display_name":"Mg diffusion from p++ GaN cap layer degrades optically active acceptor density and radiative recombination in p-GaN","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225633690","doi":"https://doi.org/10.1116/6.0005867"},"language":"en","primary_location":{"id":"doi:10.1116/6.0005867","doi":"https://doi.org/10.1116/6.0005867","is_oa":false,"landing_page_url":"https://doi.org/10.1116/6.0005867","pdf_url":null,"source":{"id":"https://openalex.org/S4210235835","display_name":"Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena","issn_l":"2166-2746","issn":["2166-2746","2166-2754"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Vacuum Science &amp; Technology B","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5101338827","display_name":"Luyi Yan","orcid":"https://orcid.org/0009-0001-0296-575X","observed_orcids":["https://orcid.org/0009-0001-0296-575X"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Luyi Yan","raw_affiliation_strings":["College of Materials Science and Optoelectronics Technology, University of Chinese Academy of Sciences 2 , Beijing 100049,","Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0009-0001-0296-575X","affiliations":[{"raw_affiliation_string":"College of Materials Science and Optoelectronics Technology, University of Chinese Academy of Sciences 2 , Beijing 100049,","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085767330","display_name":"Feng Liang","orcid":"https://orcid.org/0000-0002-2064-8918","observed_orcids":["https://orcid.org/0000-0002-2064-8918"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Feng Liang","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0000-0002-2064-8918","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100404947","display_name":"Jie Yang","orcid":"https://orcid.org/0000-0003-4801-7162","observed_orcids":["https://orcid.org/0000-0003-4801-7162","https://orcid.org/0009-0005-1571-3884","https://orcid.org/0000-0002-4290-9568","https://orcid.org/0000-0002-4726-8384","https://orcid.org/0000-0003-3517-9701","https://orcid.org/0000-0001-5287-4242","https://orcid.org/0000-0002-1553-5679","https://orcid.org/0000-0003-2558-552X","https://orcid.org/0000-0003-4255-9622","https://orcid.org/0000-0001-6085-9245","https://orcid.org/0000-0002-2709-3855","https://orcid.org/0000-0002-3133-1246","https://orcid.org/0000-0002-3134-2746","https://orcid.org/0000-0003-1250-6319","https://orcid.org/0000-0003-4463-5633","https://orcid.org/0000-0001-9433-3444","https://orcid.org/0000-0001-9459-736X","https://orcid.org/0000-0002-1046-682X","https://orcid.org/0000-0002-1457-1803","https://orcid.org/0000-0002-4408-1952","https://orcid.org/0000-0002-6059-7115","https://orcid.org/0000-0002-7329-4738","https://orcid.org/0000-0003-1093-5611","https://orcid.org/0000-0003-1495-270X","https://orcid.org/0000-0003-3483-4276","https://orcid.org/0009-0002-8077-9861","https://orcid.org/0009-0007-9061-6683","https://orcid.org/0000-0001-5190-7815","https://orcid.org/0000-0001-8290-7244","https://orcid.org/0000-0002-0598-6804","https://orcid.org/0000-0002-1153-5495","https://orcid.org/0000-0002-1234-0614","https://orcid.org/0000-0002-1438-1698","https://orcid.org/0000-0002-2829-3947","https://orcid.org/0000-0002-3414-0621","https://orcid.org/0000-0002-3468-6624","https://orcid.org/0000-0002-4148-0042","https://orcid.org/0000-0002-5019-6393","https://orcid.org/0000-0002-5055-8729","https://orcid.org/0000-0002-5825-3364","https://orcid.org/0000-0002-6407-1276","https://orcid.org/0000-0002-7521-7920","https://orcid.org/0000-0002-8588-5658","https://orcid.org/0000-0002-9631-2046","https://orcid.org/0000-0002-9771-9921","https://orcid.org/0000-0003-0385-5787","https://orcid.org/0000-0003-0599-1416","https://orcid.org/0000-0003-0641-6296","https://orcid.org/0000-0003-0695-828X","https://orcid.org/0000-0003-0909-7980","https://orcid.org/0000-0003-1012-8078","https://orcid.org/0000-0003-1915-9487","https://orcid.org/0000-0003-2002-9073","https://orcid.org/0000-0003-2862-4993","https://orcid.org/0000-0003-3621-4169","https://orcid.org/0000-0003-4461-5317","https://orcid.org/0000-0003-4652-6641","https://orcid.org/0009-0001-0407-2648","https://orcid.org/0009-0001-5780-9965","https://orcid.org/0009-0002-2336-6606","https://orcid.org/0009-0003-2779-0997","https://orcid.org/0009-0004-8796-014X","https://orcid.org/0009-0005-0821-7698","https://orcid.org/0009-0005-6271-9365","https://orcid.org/0009-0006-4129-4502","https://orcid.org/0009-0008-9515-4382","https://orcid.org/0009-0009-6605-5323","https://orcid.org/0000-0001-5352-9619","https://orcid.org/0000-0001-5655-9207","https://orcid.org/0000-0001-7153-1421","https://orcid.org/0000-0001-7933-8220","https://orcid.org/0000-0001-9060-100X","https://orcid.org/0000-0001-9732-2409","https://orcid.org/0000-0002-0233-590X","https://orcid.org/0000-0002-0250-5809","https://orcid.org/0000-0002-1845-2561","https://orcid.org/0000-0002-2058-6251","https://orcid.org/0000-0002-2271-4798","https://orcid.org/0000-0002-2371-3105","https://orcid.org/0000-0002-2502-1161","https://orcid.org/0000-0002-2638-3885","https://orcid.org/0000-0002-2888-0340","https://orcid.org/0000-0002-3416-034X","https://orcid.org/0000-0002-3471-7937","https://orcid.org/0000-0002-3715-4105","https://orcid.org/0000-0002-3822-3301","https://orcid.org/0000-0002-4456-7231","https://orcid.org/0000-0002-4665-6908","https://orcid.org/0000-0002-4677-7013","https://orcid.org/0000-0002-4754-3497","https://orcid.org/0000-0002-4773-0524","https://orcid.org/0000-0002-4788-8823","https://orcid.org/0000-0002-4809-5315","https://orcid.org/0000-0002-4868-3168","https://orcid.org/0000-0002-5094-7169","https://orcid.org/0000-0002-5867-4943","https://orcid.org/0000-0002-6065-903X","https://orcid.org/0000-0002-6202-3617","https://orcid.org/0000-0002-6640-7351","https://orcid.org/0000-0002-7452-8102","https://orcid.org/0000-0002-7460-2800","https://orcid.org/0000-0002-7530-2623","https://orcid.org/0000-0002-7989-3774","https://orcid.org/0000-0002-8084-761X","https://orcid.org/0000-0002-8244-2181","https://orcid.org/0000-0002-8390-4245","https://orcid.org/0000-0002-8799-0275","https://orcid.org/0000-0002-8853-5354","https://orcid.org/0000-0002-8922-7687","https://orcid.org/0000-0002-9034-4223","https://orcid.org/0000-0002-9345-8912","https://orcid.org/0000-0002-9368-5306","https://orcid.org/0000-0002-9386-5825","https://orcid.org/0000-0002-9584-9634","https://orcid.org/0000-0003-0006-8411","https://orcid.org/0000-0003-0117-8209","https://orcid.org/0000-0003-0369-8961","https://orcid.org/0000-0003-0453-9575","https://orcid.org/0000-0003-0603-4482","https://orcid.org/0000-0003-1106-3712","https://orcid.org/0000-0003-1260-5309","https://orcid.org/0000-0003-2299-3966","https://orcid.org/0000-0003-2590-2388","https://orcid.org/0000-0003-2799-0000","https://orcid.org/0000-0003-3059-7218","https://orcid.org/0000-0003-3071-0807","https://orcid.org/0000-0003-3333-7868","https://orcid.org/0000-0003-3848-5958","https://orcid.org/0000-0003-3957-3722","https://orcid.org/0000-0003-4628-5358","https://orcid.org/0000-0003-4640-664X","https://orcid.org/0000-0003-4709-9514","https://orcid.org/0000-0003-4800-832X","https://orcid.org/0000-0003-4964-3114","https://orcid.org/0009-0000-0481-3736","https://orcid.org/0009-0000-2245-9793","https://orcid.org/0009-0000-3303-9356","https://orcid.org/0009-0000-3414-6129","https://orcid.org/0009-0000-3722-388X","https://orcid.org/0009-0000-5383-4664","https://orcid.org/0009-0000-6509-9628","https://orcid.org/0009-0000-6749-498X","https://orcid.org/0009-0000-8430-1115","https://orcid.org/0009-0000-9051-802X","https://orcid.org/0009-0000-9949-743X","https://orcid.org/0009-0001-0078-9879","https://orcid.org/0009-0001-1391-9177","https://orcid.org/0009-0001-1696-1231","https://orcid.org/0009-0001-4008-0928","https://orcid.org/0009-0001-7763-1201","https://orcid.org/0009-0001-8055-1659","https://orcid.org/0009-0001-9599-8912","https://orcid.org/0009-0001-9871-7020","https://orcid.org/0009-0002-3991-0020","https://orcid.org/0009-0002-4531-8939","https://orcid.org/0009-0002-4889-5600","https://orcid.org/0009-0002-5551-8555","https://orcid.org/0009-0002-5699-8247","https://orcid.org/0009-0002-7304-1252","https://orcid.org/0009-0002-9209-8561","https://orcid.org/0009-0003-0230-1974","https://orcid.org/0009-0003-0666-5951","https://orcid.org/0009-0003-1095-2777","https://orcid.org/0009-0003-1782-5316","https://orcid.org/0009-0003-2200-546X","https://orcid.org/0009-0003-2846-646X","https://orcid.org/0009-0003-3189-6938","https://orcid.org/0009-0003-3339-5926","https://orcid.org/0009-0003-3694-0002","https://orcid.org/0009-0003-4329-589X","https://orcid.org/0009-0003-4430-4129","https://orcid.org/0009-0003-5808-5836","https://orcid.org/0009-0003-6149-9861","https://orcid.org/0009-0003-7590-9796","https://orcid.org/0009-0004-0884-888X","https://orcid.org/0009-0004-1439-8619","https://orcid.org/0009-0004-1490-2037","https://orcid.org/0009-0004-4105-7430","https://orcid.org/0009-0004-4245-4999","https://orcid.org/0009-0004-4655-6431","https://orcid.org/0009-0004-6314-1596","https://orcid.org/0009-0005-0132-0828","https://orcid.org/0009-0005-2232-3956","https://orcid.org/0009-0005-6489-2196","https://orcid.org/0009-0005-6921-2612","https://orcid.org/0009-0005-7039-680X","https://orcid.org/0009-0005-7202-804X","https://orcid.org/0009-0005-8590-7836","https://orcid.org/0009-0005-8618-8917","https://orcid.org/0009-0005-9919-4945","https://orcid.org/0009-0006-2116-1235","https://orcid.org/0009-0006-3134-6778","https://orcid.org/0009-0006-3870-8284","https://orcid.org/0009-0006-3966-8069","https://orcid.org/0009-0006-4005-4099","https://orcid.org/0009-0006-4071-0586","https://orcid.org/0009-0006-5537-4028","https://orcid.org/0009-0006-5819-8701","https://orcid.org/0009-0007-0733-2621","https://orcid.org/0009-0007-0741-5988","https://orcid.org/0009-0007-2292-8634","https://orcid.org/0009-0007-3021-6178","https://orcid.org/0009-0007-6080-646X","https://orcid.org/0009-0007-6421-2626","https://orcid.org/0009-0007-6482-6724","https://orcid.org/0009-0007-6485-9710","https://orcid.org/0009-0007-6568-9709","https://orcid.org/0009-0007-8181-9446","https://orcid.org/0009-0008-0879-1579","https://orcid.org/0009-0008-2099-9380","https://orcid.org/0009-0008-2307-7066","https://orcid.org/0009-0008-2629-9406","https://orcid.org/0009-0008-3769-6159","https://orcid.org/0009-0008-4867-2494","https://orcid.org/0009-0008-4944-4231","https://orcid.org/0009-0008-5713-8517","https://orcid.org/0009-0008-5807-6688","https://orcid.org/0009-0008-6193-5287","https://orcid.org/0009-0008-7037-6069","https://orcid.org/0009-0008-7048-086X","https://orcid.org/0009-0008-7217-0056","https://orcid.org/0009-0008-7289-760X","https://orcid.org/0009-0008-9196-840X","https://orcid.org/0009-0008-9287-1765","https://orcid.org/0009-0008-9916-5249","https://orcid.org/0009-0009-2028-4139","https://orcid.org/0009-0009-2121-882X","https://orcid.org/0009-0009-2165-3135","https://orcid.org/0009-0009-2993-5516","https://orcid.org/0009-0009-7801-2021","https://orcid.org/0009-0009-8377-3730","https://orcid.org/0000-0003-1492-2340","https://orcid.org/0009-0004-8414-2854","https://orcid.org/0009-0009-0468-540X"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Yang","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0000-0003-3483-4276","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101909614","display_name":"Yuheng Zhang","orcid":"https://orcid.org/0000-0003-2572-8615","observed_orcids":["https://orcid.org/0000-0003-2572-8615"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuheng Zhang","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0000-0003-2572-8615","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022133439","display_name":"Zongshun Liu","orcid":"https://orcid.org/0000-0003-4566-3927","observed_orcids":["https://orcid.org/0000-0003-4566-3927"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zongshun Liu","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0000-0003-4566-3927","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061393752","display_name":"Yufei Hou","orcid":"https://orcid.org/0000-0001-5385-6716","observed_orcids":["https://orcid.org/0000-0001-5385-6716","https://orcid.org/0009-0003-8500-4296"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yufei Hou","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,"],"raw_orcid":"https://orcid.org/0000-0001-5385-6716","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082192847","display_name":"Degang Zhao","orcid":"https://orcid.org/0000-0002-0752-3408","observed_orcids":["https://orcid.org/0000-0002-0752-3408"]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Degang Zhao","raw_affiliation_strings":["Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences 3 , Beijing 100049,"],"raw_orcid":"https://orcid.org/0000-0002-0752-3408","affiliations":[{"raw_affiliation_string":"Laboratory of Solid State Optoelectronic Information Technology, Chinese Academy of Sciences, Institute of Semiconductors 1 , Beijing 100083,","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]},{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences 3 , Beijing 100049,","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5085767330"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":"6","first_page":null,"last_page":null},"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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","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"}},{"id":"https://openalex.org/T12529","display_name":"Ga2O3 and related materials","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"}}],"keywords":[{"id":"https://openalex.org/keywords/mg-diffusion","display_name":"Mg diffusion","score":0.796999990940094},{"id":"https://openalex.org/keywords/p-gan","display_name":"p-GaN","score":0.8019999861717224},{"id":"https://openalex.org/keywords/radiative-recombination","display_name":"radiative recombination","score":0.9860000014305115},{"id":"https://openalex.org/keywords/defect-centers","display_name":"defect centers","score":0.5979999899864197},{"id":"https://openalex.org/keywords/ionized-impurity-scattering","display_name":"ionized impurity scattering","score":0.9599999785423279},{"id":"https://openalex.org/keywords/low-temperature-photoluminescence","display_name":"low-temperature photoluminescence","score":0.8619999885559082},{"id":"https://openalex.org/keywords/p-type-doping","display_name":"p-type doping","score":0.7070000171661377},{"id":"https://openalex.org/keywords/power-devices","display_name":"power devices","score":0.8840000033378601}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.8119999766349792},{"id":"https://openalex.org/C2779892579","wikidata":"https://www.wikidata.org/wiki/Q912138","display_name":"Acceptor","level":2,"score":0.7124999761581421},{"id":"https://openalex.org/C85080765","wikidata":"https://www.wikidata.org/wiki/Q614893","display_name":"Photoluminescence","level":2,"score":0.7092999815940857},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.6473000049591064},{"id":"https://openalex.org/C2776026197","wikidata":"https://www.wikidata.org/wiki/Q201890","display_name":"Active layer","level":4,"score":0.6322000026702881},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.5874999761581421},{"id":"https://openalex.org/C111154242","wikidata":"https://www.wikidata.org/wiki/Q923545","display_name":"Spontaneous emission","level":3,"score":0.5697000026702881},{"id":"https://openalex.org/C14306345","wikidata":"https://www.wikidata.org/wiki/Q351558","display_name":"Non-radiative recombination","level":4,"score":0.539900004863739},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5192000269889832},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.483599990606308},{"id":"https://openalex.org/C71987851","wikidata":"https://www.wikidata.org/wiki/Q7216430","display_name":"Impurity","level":2,"score":0.4546000063419342},{"id":"https://openalex.org/C156695909","wikidata":"https://www.wikidata.org/wiki/Q3373825","display_name":"Recombination","level":3,"score":0.4480000138282776},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.4223000109195709},{"id":"https://openalex.org/C198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","level":3,"score":0.41260001063346863},{"id":"https://openalex.org/C41999313","wikidata":"https://www.wikidata.org/wiki/Q489328","display_name":"Molecular physics","level":1,"score":0.41179999709129333},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4083999991416931},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.38749998807907104},{"id":"https://openalex.org/C189278905","wikidata":"https://www.wikidata.org/wiki/Q2157708","display_name":"Wide-bandgap semiconductor","level":2,"score":0.37540000677108765},{"id":"https://openalex.org/C152365726","wikidata":"https://www.wikidata.org/wiki/Q1048589","display_name":"Density functional theory","level":2,"score":0.3725000023841858},{"id":"https://openalex.org/C77671233","wikidata":"https://www.wikidata.org/wiki/Q556046","display_name":"Secondary ion mass spectrometry","level":3,"score":0.3716999888420105},{"id":"https://openalex.org/C108225325","wikidata":"https://www.wikidata.org/wiki/Q11456","display_name":"Semiconductor","level":2,"score":0.37040001153945923},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.34869998693466187},{"id":"https://openalex.org/C18136748","wikidata":"https://www.wikidata.org/wiki/Q6063729","display_name":"Ionized impurity scattering","level":3,"score":0.32429999113082886},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.31459999084472656},{"id":"https://openalex.org/C21881925","wikidata":"https://www.wikidata.org/wiki/Q3503313","display_name":"Power density","level":3,"score":0.3140000104904175},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.2856000065803528},{"id":"https://openalex.org/C159467904","wikidata":"https://www.wikidata.org/wiki/Q2001702","display_name":"Chemical physics","level":1,"score":0.28220000863075256},{"id":"https://openalex.org/C164675345","wikidata":"https://www.wikidata.org/wiki/Q898226","display_name":"Crystallographic defect","level":2,"score":0.2572000026702881}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1116/6.0005867","doi":"https://doi.org/10.1116/6.0005867","is_oa":false,"landing_page_url":"https://doi.org/10.1116/6.0005867","pdf_url":null,"source":{"id":"https://openalex.org/S4210235835","display_name":"Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena","issn_l":"2166-2746","issn":["2166-2746","2166-2754"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Vacuum Science &amp; Technology B","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322847","display_name":"Youth Innovation Promotion Association of the Chinese Academy of Sciences","ror":"https://ror.org/031141b54"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1968234779","https://openalex.org/W2015773728","https://openalex.org/W2069575489","https://openalex.org/W2072876727","https://openalex.org/W2077813049","https://openalex.org/W2078204571","https://openalex.org/W2093784581","https://openalex.org/W2312647074","https://openalex.org/W2318881227","https://openalex.org/W2579975474","https://openalex.org/W2783185491","https://openalex.org/W2793258175","https://openalex.org/W2803853378","https://openalex.org/W2951000776","https://openalex.org/W2979039264","https://openalex.org/W3179495197","https://openalex.org/W4307023785","https://openalex.org/W4308901045","https://openalex.org/W4393363346","https://openalex.org/W4400308504","https://openalex.org/W4414521672","https://openalex.org/W7154603919"],"related_works":["https://openalex.org/W3114448402","https://openalex.org/W2092835083","https://openalex.org/W2114913049","https://openalex.org/W3036542944","https://openalex.org/W1979823877","https://openalex.org/W1508692264","https://openalex.org/W2107650161","https://openalex.org/W1871658835","https://openalex.org/W3179495197","https://openalex.org/W3196700188"],"abstract_inverted_index":{"We":[0],"report":[1],"the":[2,17,27,49,85,127,140],"adverse":[3],"impact":[4],"of":[5,26,64,87,131,145],"Mg":[6,46,59,80,111],"diffusion":[7,47],"from":[8,48],"a":[9,57],"heavily":[10],"doped":[11,68],"p++":[12,50],"GaN":[13],"cap":[14,51],"layer":[15,30,52],"on":[16],"optically":[18,88],"active":[19,89],"acceptor":[20],"density":[21,86],"and":[22,92,112,125,148],"radiative":[23,100,128],"recombination":[24,101,129],"performance":[25,105],"underlying":[28],"p-GaN":[29],"grown":[31],"by":[32,117],"metalorganic":[33],"chemical":[34],"vapor":[35],"deposition.":[36],"Secondary":[37],"ion":[38],"mass":[39],"spectrometry":[40],"depth":[41],"profiling":[42],"confirms":[43],"significant":[44],"longitudinal":[45],"into":[53],"p-GaN,":[54],"leading":[55],"to":[56,62,84,109],"total":[58],"concentration":[60],"comparable":[61],"that":[63,77,98],"directly":[65],"in":[66,102],"situ":[67],"samples.":[69],"However,":[70],"30":[71],"K":[72],"low-temperature":[73],"photoluminescence":[74],"measurements":[75],"reveal":[76],"this":[78],"diffusion-induced":[79],"increment":[81],"hardly":[82],"contributes":[83],"MgGa":[90],"acceptors":[91],"instead":[93],"introduces":[94],"massive":[95],"defect":[96,114],"centers":[97],"suppress":[99],"p-GaN.":[103],"The":[104],"degradation":[106],"is":[107],"attributed":[108],"interstitial":[110],"charged":[113],"complexes":[115],"introduced":[116],"diffusion,":[118],"which":[119],"induce":[120],"strong":[121],"ionized":[122],"impurity":[123],"scattering":[124],"reduce":[126],"probability":[130],"photogenerated":[132],"carriers.":[133],"This":[134],"finding":[135],"provides":[136],"critical":[137],"guidance":[138],"for":[139],"p-type":[141],"doping":[142],"structure":[143],"design":[144],"GaN-based":[146],"optoelectronic":[147],"power":[149],"electronic":[150],"devices.":[151]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-10T00:00:00"}
