{"id":"https://openalex.org/A5000528752","orcid":"https://orcid.org/0000-0002-5566-3050","observed_orcids":["https://orcid.org/0000-0002-5566-3050"],"display_name":"Ilgyu Choi","raw_author_names":["Il-Gyu Choi","Ilgyu Choi","Il\u2010Gyu Choi"],"full_name":"Il-Gyu Choi","works_count":31,"cited_by_count":227,"summary_stats":{"2yr_mean_citedness":5.545454545454546,"h_index":8,"i10_index":7},"ids":{"openalex":"https://openalex.org/A5000528752","orcid":"https://orcid.org/0000-0002-5566-3050","observed_orcids":["https://orcid.org/0000-0002-5566-3050"]},"affiliations":[{"institution":{"id":"https://openalex.org/I142401562","ror":"https://ror.org/03ysstz10","display_name":"Electronics and Telecommunications Research Institute","country_code":"KR","type":"facility","lineage":["https://openalex.org/I142401562","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]},"years":[2025,2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I31419693","ror":"https://ror.org/040c17130","display_name":"Kyungpook National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I31419693"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4575257","ror":"https://ror.org/046865y68","display_name":"Hanyang University","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]},"years":[2022]},{"institution":{"id":"https://openalex.org/I80611190","ror":"https://ror.org/05q92br09","display_name":"Jeonbuk National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I80611190"]},"years":[2020,2019,2018,2017]}],"last_known_institutions":[{"id":"https://openalex.org/I142401562","ror":"https://ror.org/03ysstz10","display_name":"Electronics and Telecommunications Research Institute","country_code":"KR","type":"facility","lineage":["https://openalex.org/I142401562","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098"]}],"topics":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","count":26,"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","count":16,"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","count":7,"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/T11272","display_name":"Nanowire Synthesis and Applications","count":7,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":5,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","value":0.0001091,"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/T11272","display_name":"Nanowire Synthesis and Applications","value":7.24e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","value":7.16e-05,"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","value":2.52e-05,"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/T11248","display_name":"Advanced Power Amplifier Design","value":2.39e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9371426105499268},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.76874840259552},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5315914750099182},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.4370588958263397},{"id":"165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","score":0.35544076561927795}],"counts_by_year":[{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":12},{"year":2018,"works_count":3,"oa_works_count":1,"cited_by_count":39},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":65},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":3,"oa_works_count":1,"cited_by_count":12},{"year":2022,"works_count":3,"oa_works_count":2,"cited_by_count":22},{"year":2023,"works_count":5,"oa_works_count":1,"cited_by_count":8},{"year":2024,"works_count":5,"oa_works_count":4,"cited_by_count":41},{"year":2025,"works_count":6,"oa_works_count":5,"cited_by_count":20}],"display_name_alternatives":["Il-Gyu Choi","Ilgyu Choi","Il\u2010Gyu Choi"],"block_key":"i choi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000528752","updated_date":"2026-10-12T12:34:37","created_date":"2021-05-24T00:00:00"}
