{"id":"https://openalex.org/keywords/first-wall","display_name":"first wall","description":"The first wall is the plasma-facing inner boundary of a fusion reactor, designed to withstand heat and particle loads from the plasma.","display_name_alternatives":["reactor first wall","first walls","fusion reactor first wall"],"ids":{"openalex":"https://openalex.org/keywords/first-wall","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10592","display_name":"Fusion materials and technologies","score":0.7782,"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"}},"topics":[{"id":"https://openalex.org/T10592","display_name":"Fusion materials and technologies","score":0.7782,"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/T10346","display_name":"Magnetic confinement fusion research","score":0.0929,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":4904,"cited_by_count":43841,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/first-wall","updated_date":"2026-10-21T04:06:17","created_date":"2026-09-30T00:00:00"}
