{"id":"https://openalex.org/A5089867321","orcid":"https://orcid.org/0000-0001-5366-9881","observed_orcids":["https://orcid.org/0000-0001-5366-9881"],"display_name":"Roman N. Sagaidak","raw_author_names":["R N Sagaidak","R. N. SAGAIDAK","R. N. Sagaidak","R. Sagaidak","R.N Sagaidak","R.N. SAGAIDAK","R.N. Sagaidak","R.\u2009N. Sagaidak","ROMAN SAGAIDAK","Roman N. Sagaidak","Roman Sagaidak","SAGAIDAK RN","Sagaidak, R N","Sagaidak, R.","Sagaidak, R. N.","Sagaidak, R.N.","\u0420. \u041d. \u0421\u0430\u0433\u0430\u0439\u0434\u0430\u043a"],"full_name":"Roman N. Sagaidak","works_count":186,"cited_by_count":6047,"summary_stats":{"2yr_mean_citedness":7.0,"h_index":37,"i10_index":63},"ids":{"openalex":"https://openalex.org/A5089867321","orcid":"https://orcid.org/0000-0001-5366-9881","observed_orcids":["https://orcid.org/0000-0001-5366-9881"]},"affiliations":[{"institution":{"id":"https://openalex.org/I112862951","ror":"https://ror.org/05ctdxz19","display_name":"University of Messina","country_code":"IT","type":"education","lineage":["https://openalex.org/I112862951"]},"years":[2005]},{"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":[2009]},{"institution":{"id":"https://openalex.org/I132053463","ror":"https://ror.org/01r9htc13","display_name":"Universit\u00e9 Libre de Bruxelles","country_code":"BE","type":"education","lineage":["https://openalex.org/I132053463"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I138689650","ror":"https://ror.org/00240q980","display_name":"University of Padua","country_code":"IT","type":"education","lineage":["https://openalex.org/I138689650"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I169556180","ror":"https://ror.org/02k8cbn47","display_name":"GSI Helmholtz Centre for Heavy Ion Research","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I169556180"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I2899451211","ror":"https://ror.org/01g3mb532","display_name":"Institut Pluridisciplinaire Hubert Curien","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2899451211","https://openalex.org/I4210133362","https://openalex.org/I68947357"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I32699454","ror":"https://ror.org/044yd9t77","display_name":"Joint Institute for Nuclear Research","country_code":"RU","type":"facility","lineage":["https://openalex.org/I32699454"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1994,1993,1992,1989,1986]},{"institution":{"id":"https://openalex.org/I4210105455","ror":"https://ror.org/00z34yn88","display_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Padova","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210105455"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4210116497","ror":"https://ror.org/02pq29p90","display_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Catania","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210116497"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I4210123216","ror":"https://ror.org/02mw21745","display_name":"Ru\u0111er Bo\u0161kovi\u0107 Institute","country_code":"HR","type":"facility","lineage":["https://openalex.org/I4210123216"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4210125318","ror":"https://ror.org/025e3ct30","display_name":"Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210125318"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4210133362","ror":"https://ror.org/03fd77x13","display_name":"Institut National de Physique Nucl\u00e9aire et de Physique des Particules","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I4210133362"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I74788687","ror":"https://ror.org/0587ef340","display_name":"Comenius University Bratislava","country_code":"SK","type":"education","lineage":["https://openalex.org/I74788687"]},"years":[1993]}],"last_known_institutions":[{"id":"https://openalex.org/I32699454","ror":"https://ror.org/044yd9t77","display_name":"Joint Institute for Nuclear Research","country_code":"RU","type":"facility","lineage":["https://openalex.org/I32699454"]}],"topics":[{"id":"https://openalex.org/T10093","display_name":"Nuclear physics research studies","count":179,"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"}},{"id":"https://openalex.org/T13458","display_name":"Astronomical and nuclear sciences","count":139,"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"}},{"id":"https://openalex.org/T13209","display_name":"Cold Fusion and Nuclear Reactions","count":116,"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"}},{"id":"https://openalex.org/T10527","display_name":"High-Energy Particle Collisions Research","count":25,"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"}},{"id":"https://openalex.org/T12166","display_name":"Ion-surface interactions and analysis","count":17,"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"}}],"topic_share":[{"id":"https://openalex.org/T13209","display_name":"Cold Fusion and Nuclear Reactions","value":0.0043622,"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"}},{"id":"https://openalex.org/T13458","display_name":"Astronomical and nuclear sciences","value":0.0008957,"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"}},{"id":"https://openalex.org/T10093","display_name":"Nuclear physics research studies","value":0.0002871,"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"}},{"id":"https://openalex.org/T13414","display_name":"Radioactive Decay and Measurement Techniques","value":7.28e-05,"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/T10527","display_name":"High-Energy Particle Collisions Research","value":6.53e-05,"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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.959986686706543},{"id":"185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","score":0.7925608158111572},{"id":"184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","score":0.7011898159980774},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.6097999811172485},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.14880937337875366}],"counts_by_year":[{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":3,"cited_by_count":207},{"year":2013,"works_count":6,"oa_works_count":3,"cited_by_count":354},{"year":2014,"works_count":5,"oa_works_count":2,"cited_by_count":249},{"year":2015,"works_count":12,"oa_works_count":8,"cited_by_count":391},{"year":2016,"works_count":3,"oa_works_count":2,"cited_by_count":358},{"year":2017,"works_count":5,"oa_works_count":1,"cited_by_count":256},{"year":2018,"works_count":4,"oa_works_count":4,"cited_by_count":263},{"year":2019,"works_count":5,"oa_works_count":4,"cited_by_count":275},{"year":2020,"works_count":3,"oa_works_count":0,"cited_by_count":302},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":271},{"year":2022,"works_count":6,"oa_works_count":5,"cited_by_count":396},{"year":2023,"works_count":7,"oa_works_count":3,"cited_by_count":325},{"year":2024,"works_count":6,"oa_works_count":3,"cited_by_count":457},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":360},{"year":2026,"works_count":3,"oa_works_count":1,"cited_by_count":297}],"display_name_alternatives":["R N Sagaidak","R. N. SAGAIDAK","R. N. Sagaidak","R. Sagaidak","R.N Sagaidak","R.N. SAGAIDAK","R.N. Sagaidak","R.\u2009N. Sagaidak","ROMAN SAGAIDAK","Roman N. Sagaidak","Roman Sagaidak","SAGAIDAK RN","Sagaidak, R N","Sagaidak, R.","Sagaidak, R. N.","Sagaidak, R.N.","\u0420. \u041d. \u0421\u0430\u0433\u0430\u0439\u0434\u0430\u043a"],"block_key":"r sagaidak","works_api_url":"https://api.openalex.org/works?filter=author.id:A5089867321","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}