{"id":"https://openalex.org/keywords/vo2","display_name":"VO2","description":"VO\u2082 is vanadium(IV) oxide, an inorganic compound studied for its structural, electrical, and metal\u2013insulator transition properties.","display_name_alternatives":["vanadium oxide VO2"],"ids":{"openalex":"https://openalex.org/keywords/vo2","wikidata":"https://www.wikidata.org/wiki/Q421440"},"primary_topic":{"id":"https://openalex.org/T11128","display_name":"Transition Metal Oxide Nanomaterials","score":0.2227,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T11128","display_name":"Transition Metal Oxide Nanomaterials","score":0.2227,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T11209","display_name":"Cardiovascular and exercise physiology","score":0.1268,"subfield":{"id":"https://openalex.org/subfields/2707","display_name":"Complementary and alternative medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"works_count":2503,"cited_by_count":42924,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/vo2","updated_date":"2026-10-23T04:06:34","created_date":"2026-09-30T00:00:00"}