{"id":"https://openalex.org/keywords/ion-source","display_name":"ion source","description":"An ion source is a device or process that produces charged atoms or molecules for scientific and industrial applications.","display_name_alternatives":["ion sources","ionization source","ion generator"],"ids":{"openalex":"https://openalex.org/keywords/ion-source","wikidata":"https://www.wikidata.org/wiki/Q905291"},"primary_topic":{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.9227,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.9227,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":80627,"cited_by_count":77990,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/ion-source","updated_date":"2026-10-19T04:06:21","created_date":"2022-04-12T19:38:12"}
