{"id":"https://openalex.org/A5111344038","orcid":null,"observed_orcids":[],"display_name":"C. L. Heng","raw_author_names":["C L Heng","C. L. HENG","C. L. Heng","C.L Heng","C.L. Heng","Heng, C. L."],"full_name":"Changqi Heng","works_count":41,"cited_by_count":537,"summary_stats":{"2yr_mean_citedness":2.75,"h_index":11,"i10_index":14},"ids":{"openalex":"https://openalex.org/A5111344038","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I125839683","ror":"https://ror.org/01skt4w74","display_name":"Beijing Institute of Technology","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]},"years":[2026,2025,2024,2022,2021,2020,2019,2017,2016,2015,2014]},{"institution":{"id":"https://openalex.org/I165932596","ror":"https://ror.org/01tgyzw49","display_name":"National University of Singapore","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I184942183","ror":"https://ror.org/01xtthb56","display_name":"University of Oslo","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]},"years":[2007,2006,2005,2004,2003]},{"institution":{"id":"https://openalex.org/I20231570","ror":"https://ror.org/02v51f717","display_name":"Peking University","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]},"years":[2017,2001,2000,1999]},{"institution":{"id":"https://openalex.org/I4210167254","ror":"https://ror.org/05yb3w112","display_name":"Singapore-MIT Alliance for Research and Technology","country_code":"SG","type":"education","lineage":["https://openalex.org/I4210167254"]},"years":[2004,2003,2002]},{"institution":{"id":"https://openalex.org/I4391767804","ror":"https://ror.org/007nf8q70","display_name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics","country_code":"CN","type":"facility","lineage":["https://openalex.org/I20231570","https://openalex.org/I4391767804"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I98251732","ror":"https://ror.org/02fa3aq29","display_name":"McMaster University","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]},"years":[2009,2008,2007]}],"last_known_institutions":[{"id":"https://openalex.org/I125839683","ror":"https://ror.org/01skt4w74","display_name":"Beijing Institute of Technology","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"topics":[{"id":"https://openalex.org/T11169","display_name":"Silicon Nanostructures and Photoluminescence","count":26,"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"}},{"id":"https://openalex.org/T10097","display_name":"Luminescence Properties of Advanced Materials","count":19,"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"}},{"id":"https://openalex.org/T10472","display_name":"Semiconductor materials and devices","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/T10299","display_name":"Photonic and Optical Devices","count":11,"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/T11853","display_name":"Semiconductor materials and interfaces","count":10,"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"}}],"topic_share":[{"id":"https://openalex.org/T11169","display_name":"Silicon Nanostructures and Photoluminescence","value":0.0002471,"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"}},{"id":"https://openalex.org/T12529","display_name":"Ga2O3 and related materials","value":0.0001079,"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/T10097","display_name":"Luminescence Properties of Advanced Materials","value":6.61e-05,"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"}},{"id":"https://openalex.org/T10090","display_name":"ZnO doping and properties","value":4.14e-05,"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"}},{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","value":3.6e-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":"2777855556","wikidata":"https://www.wikidata.org/wiki/Q4339544","display_name":"Annealing (glass)","score":0.9021620750427246},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.894479513168335},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.5642006993293762},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.5073899626731873},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.2960435748100281}],"counts_by_year":[{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":13},{"year":2015,"works_count":3,"oa_works_count":0,"cited_by_count":14},{"year":2016,"works_count":2,"oa_works_count":1,"cited_by_count":15},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":16},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":18},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":19},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":19},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":13},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":18}],"display_name_alternatives":["C L Heng","C. L. HENG","C. L. Heng","C.L Heng","C.L. Heng","Heng, C. L."],"block_key":"c heng","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111344038","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111344038","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}