{"id":"https://openalex.org/A5113614465","orcid":null,"observed_orcids":[],"display_name":"K. O. Groeneveld","raw_author_names":["Groeneveld, K O","K O Groeneveld","K-O Groeneveld","K-O. Groeneveld","K. -O. Groeneveld","K. O. GROENEVELD","K. O. Groeneveld","K.-O. Groeneveld","K.O Groeneveld","K.O. Groeneveld","K.\u2010O. E. Groeneveld","Karl-Ontjes E. Groeneveld","Karl-Ontjes Groeneveld","Karl\u2010Ontjes Groeneveld"],"full_name":"Karl-Ontjes Groeneveld","works_count":234,"cited_by_count":3338,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":28,"i10_index":91},"ids":{"openalex":"https://openalex.org/A5113614465","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I106157433","ror":"https://ror.org/04zc7p361","display_name":"University of Kassel","country_code":"DE","type":"education","lineage":["https://openalex.org/I106157433"]},"years":[1977]},{"institution":{"id":"https://openalex.org/I114090438","ror":"https://ror.org/04cvxnb49","display_name":"Goethe University Frankfurt","country_code":"DE","type":"education","lineage":["https://openalex.org/I114090438"]},"years":[2008,2006,2004,2003,2002,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1982,1981,1980,1979,1978,1977,1976,1975,1972,1971,1969]},{"institution":{"id":"https://openalex.org/I1282105669","ror":"https://ror.org/05gvnxz63","display_name":"Argonne National Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1282105669","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I40347166"]},"years":[1988,1979,1972,1971]},{"institution":{"id":"https://openalex.org/I1289243028","ror":"https://ror.org/01qz5mb56","display_name":"Oak Ridge National Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289243028","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I4210159294"]},"years":[1989,1985,1983,1977]},{"institution":{"id":"https://openalex.org/I1294671590","ror":"https://ror.org/02feahw73","display_name":"Centre National de la Recherche Scientifique","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},"years":[1997,1995]},{"institution":{"id":"https://openalex.org/I162608824","ror":"https://ror.org/00ayhx656","display_name":"University of Sussex","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]},"years":[1990]},{"institution":{"id":"https://openalex.org/I198412221","ror":"https://ror.org/006vxbq87","display_name":"HUN-REN Institute for Nuclear Research","country_code":"HU","type":"facility","lineage":["https://openalex.org/I198412221","https://openalex.org/I4387152226"]},"years":[1989,1986]},{"institution":{"id":"https://openalex.org/I21370196","ror":"https://ror.org/02j61yw88","display_name":"Aristotle University of Thessaloniki","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]},"years":[1997,1989]},{"institution":{"id":"https://openalex.org/I2738703131","ror":"https://ror.org/00jjx8s55","display_name":"Commissariat \u00e0 l'\u00c9nergie Atomique et aux \u00c9nergies Alternatives","country_code":"FR","type":"government","lineage":["https://openalex.org/I2738703131"]},"years":[1997,1995]},{"institution":{"id":"https://openalex.org/I2802473995","ror":"https://ror.org/00sx0cd23","display_name":"Balseiro Institute","country_code":"AR","type":"education","lineage":["https://openalex.org/I2802473995","https://openalex.org/I9340077"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I2883434090","ror":"https://ror.org/05m802881","display_name":"Bariloche Atomic Centre","country_code":"AR","type":"facility","lineage":["https://openalex.org/I2883434090","https://openalex.org/I9340077"]},"years":[2000,1994]},{"institution":{"id":"https://openalex.org/I4210094725","ror":"https://ror.org/00txhpa83","display_name":"Rheinische Hochschule K\u00f6ln","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210094725"]},"years":[1990]},{"institution":{"id":"https://openalex.org/I4210156266","ror":"https://ror.org/052d0h423","display_name":"Max Planck Institute for Nuclear Physics","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210156266"]},"years":[1979,1978]},{"institution":{"id":"https://openalex.org/I75027704","ror":"https://ror.org/020f3ap87","display_name":"University of Tennessee at Knoxville","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]},"years":[1989,1986,1985,1983,1977]},{"institution":{"id":"https://openalex.org/I7597260","ror":"https://ror.org/02ks8qq67","display_name":"Hungarian Academy of Sciences","country_code":"HU","type":"government","lineage":["https://openalex.org/I7597260"]},"years":[1995,1989,1988,1986]},{"institution":{"id":"https://openalex.org/I9340077","ror":"https://ror.org/01xz39a70","display_name":"Comisi\u00f3n Nacional de Energ\u00eda At\u00f3mica","country_code":"AR","type":"government","lineage":["https://openalex.org/I9340077"]},"years":[2000]}],"last_known_institutions":[{"id":"https://openalex.org/I114090438","ror":"https://ror.org/04cvxnb49","display_name":"Goethe University Frankfurt","country_code":"DE","type":"education","lineage":["https://openalex.org/I114090438"]}],"topics":[{"id":"https://openalex.org/T12166","display_name":"Ion-surface interactions and analysis","count":167,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T10523","display_name":"Atomic and Molecular Physics","count":160,"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":111,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T11733","display_name":"X-ray Spectroscopy and Fluorescence Analysis","count":58,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T10093","display_name":"Nuclear physics research studies","count":46,"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"}}],"topic_share":[{"id":"https://openalex.org/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","value":0.0003303,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T10523","display_name":"Atomic and Molecular Physics","value":0.0002725,"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/T11733","display_name":"X-ray Spectroscopy and Fluorescence Analysis","value":0.0002652,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T12166","display_name":"Ion-surface interactions and analysis","value":0.0001832,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T10566","display_name":"Laser-Matter Interactions and Applications","value":8.22e-05,"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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9308966398239136},{"id":"147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","score":0.889113187789917},{"id":"184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","score":0.8675219416618347},{"id":"185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","score":0.5682064294815063},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.27758583426475525}],"counts_by_year":[{"year":1969,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1972,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":1980,"works_count":10,"oa_works_count":2,"cited_by_count":0},{"year":1981,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":14,"oa_works_count":2,"cited_by_count":0},{"year":1985,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":1987,"works_count":13,"oa_works_count":7,"cited_by_count":0},{"year":1988,"works_count":14,"oa_works_count":4,"cited_by_count":0},{"year":1989,"works_count":15,"oa_works_count":3,"cited_by_count":0},{"year":1990,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":15}],"display_name_alternatives":["Groeneveld, K O","K O Groeneveld","K-O Groeneveld","K-O. Groeneveld","K. -O. Groeneveld","K. O. GROENEVELD","K. O. Groeneveld","K.-O. Groeneveld","K.O Groeneveld","K.O. Groeneveld","K.\u2010O. E. Groeneveld","Karl-Ontjes E. Groeneveld","Karl-Ontjes Groeneveld","Karl\u2010Ontjes Groeneveld"],"block_key":"k groeneveld","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113614465","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113614465","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}