{"id":"https://openalex.org/A5123536739","orcid":"https://orcid.org/0000-0003-1180-3127","observed_orcids":["https://orcid.org/0000-0003-1180-3127"],"display_name":"Guoqing Chang","raw_author_names":["Guoqing Chang"],"full_name":"Chang, Guoqing","works_count":1,"cited_by_count":1,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5123536739","orcid":"https://orcid.org/0000-0003-1180-3127","observed_orcids":["https://orcid.org/0000-0003-1180-3127"]},"affiliations":[{"institution":{"id":"https://openalex.org/I172675005","ror":"https://ror.org/02e7b5302","display_name":"Nanyang Technological University","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I172675005","ror":"https://ror.org/02e7b5302","display_name":"Nanyang Technological University","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"topics":[{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","count":1,"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/T10657","display_name":"Topological Materials and Phenomena","count":1,"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"}},{"id":"https://openalex.org/T11682","display_name":"Advanced Condensed Matter Physics","count":1,"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"}}],"topic_share":[{"id":"https://openalex.org/T10657","display_name":"Topological Materials and Phenomena","value":6.9e-06,"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"}},{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","value":3.6e-06,"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/T11682","display_name":"Advanced Condensed Matter Physics","value":2.9e-06,"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"}}],"x_concepts":[{"id":"126061179","wikidata":"https://www.wikidata.org/wiki/Q189627","display_name":"van der Waals force","score":0.801800012588501},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5612000226974487},{"id":"152365726","wikidata":"https://www.wikidata.org/wiki/Q1048589","display_name":"Density functional theory","score":0.3140999972820282},{"id":"128911142","wikidata":"https://www.wikidata.org/wiki/Q1488689","display_name":"Topological insulator","score":0.26260000467300415},{"id":"125469278","wikidata":"https://www.wikidata.org/wiki/Q806380","display_name":"Electronic band structure","score":0.259799987077713}],"counts_by_year":[{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":1}],"display_name_alternatives":["Guoqing Chang"],"block_key":"g chang","works_api_url":"https://api.openalex.org/works?filter=author.id:A5123536739","updated_date":"2026-11-01T11:00:13","created_date":"2026-03-08T00:00:00"}