{"id":"https://openalex.org/A5000898453","orcid":"https://orcid.org/0000-0003-2092-8378","observed_orcids":["https://orcid.org/0000-0003-2092-8378"],"display_name":"T. Gregorkiewicz","raw_author_names":["GREGORKIEWICZ, T","Gregorkiewicz, T.","Gregorkiewicz, Tom","Prof Dr. T. Gregorkiewicz","T Gregorkiewicz","T. GREGORKIEWICZ","T. Gregorkiewicz","Tom Gregorkievicz","Tom Gregorkiewicz","Tom Gregorkiewicz (1279833)"],"full_name":"Gregorkiewicz, Tom","works_count":342,"cited_by_count":7429,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":42,"i10_index":122},"ids":{"openalex":"https://openalex.org/A5000898453","orcid":"https://orcid.org/0000-0003-2092-8378","observed_orcids":["https://orcid.org/0000-0003-2092-8378"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1313323035","ror":"https://ror.org/05qrfxd25","display_name":"Russian Academy of Sciences","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035"]},"years":[2001,1995]},{"institution":{"id":"https://openalex.org/I161171246","ror":"https://ror.org/0053n5071","display_name":"West Chester University","country_code":"US","type":"education","lineage":["https://openalex.org/I161171246"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I183935753","ror":"https://ror.org/0220mzb33","display_name":"King's College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I184983240","ror":"https://ror.org/02rkvz144","display_name":"Northeast Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I184983240"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I186143895","ror":"https://ror.org/012afjb06","display_name":"Lehigh University","country_code":"US","type":"education","lineage":["https://openalex.org/I186143895"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I19820366","ror":"https://ror.org/034t30j35","display_name":"Chinese Academy of Sciences","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I2802928900","ror":"https://ror.org/03t4gr691","display_name":"Amsterdam UMC Location University of Amsterdam","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802928900","https://openalex.org/I4210151833"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4210086947","ror":"https://ror.org/000sfad56","display_name":"Institute of Physics","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210086947","https://openalex.org/I99542240"]},"years":[1984,1983,1980,1977]},{"institution":{"id":"https://openalex.org/I4210088164","ror":"https://ror.org/012rct222","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4391768233","ror":"https://ror.org/05apcas97","display_name":"State Key Laboratory of Luminescence and Application","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164","https://openalex.org/I4391768233"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4405255903","ror":"https://ror.org/03hxzy361","display_name":"Institute of Physics","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4405255903","https://openalex.org/I887064364"]},"years":[2021,2020,2019,2018,2017,2016,2015]},{"institution":{"id":"https://openalex.org/I4405257962","ror":"https://ror.org/05wag9297","display_name":"Van der Waals-Zeeman Institute","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4405255903","https://openalex.org/I4405257962","https://openalex.org/I887064364"]},"years":[2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1994]},{"institution":{"id":"https://openalex.org/I47508984","ror":"https://ror.org/041kmwe10","display_name":"Imperial College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I47996466","ror":"https://ror.org/05s4feg49","display_name":"University of Warmia and Mazury in Olsztyn","country_code":"PL","type":"education","lineage":["https://openalex.org/I47996466"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I858866802","ror":"https://ror.org/037p86664","display_name":"Leibniz Institute for Crystal Growth","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I858866802"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I887064364","ror":"https://ror.org/04dkp9463","display_name":"University of Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]},"years":[2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986]},{"institution":{"id":"https://openalex.org/I94518387","ror":"https://ror.org/04nyv3z04","display_name":"Hanoi University of Science and Technology","country_code":"VN","type":"education","lineage":["https://openalex.org/I94518387"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I95568926","ror":"https://ror.org/05dkdaa55","display_name":"Ioffe Institute","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210096333","https://openalex.org/I95568926"]},"years":[2004,2001,1995]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2020,2019,2018,2017,2016]},{"institution":{"id":"https://openalex.org/I99542240","ror":"https://ror.org/01dr6c206","display_name":"Polish Academy of Sciences","country_code":"PL","type":"government","lineage":["https://openalex.org/I99542240"]},"years":[1984,1983,1982,1980,1977]}],"last_known_institutions":[{"id":"https://openalex.org/I4405255903","ror":"https://ror.org/03hxzy361","display_name":"Institute of Physics","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4405255903","https://openalex.org/I887064364"]},{"id":"https://openalex.org/I4405257962","ror":"https://ror.org/05wag9297","display_name":"Van der Waals-Zeeman Institute","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4405255903","https://openalex.org/I4405257962","https://openalex.org/I887064364"]},{"id":"https://openalex.org/I887064364","ror":"https://ror.org/04dkp9463","display_name":"University of Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]}],"topics":[{"id":"https://openalex.org/T11169","display_name":"Silicon Nanostructures and Photoluminescence","count":159,"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/T10097","display_name":"Luminescence Properties of Advanced Materials","count":136,"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/T10624","display_name":"Silicon and Solar Cell Technologies","count":110,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","count":102,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T10299","display_name":"Photonic and Optical Devices","count":99,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11169","display_name":"Silicon Nanostructures and Photoluminescence","value":0.0015114,"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/T10097","display_name":"Luminescence Properties of Advanced Materials","value":0.0004734,"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/T10624","display_name":"Silicon and Solar Cell Technologies","value":0.0004626,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10321","display_name":"Quantum Dots Synthesis And Properties","value":0.0003509,"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/T12381","display_name":"Electron Spin Resonance Studies","value":0.0003388,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9223685264587402},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9163070917129517},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7783920764923096},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7285320162773132},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.27551141381263733}],"counts_by_year":[{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"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":2,"oa_works_count":2,"cited_by_count":0},{"year":1987,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1988,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1989,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1990,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1991,"works_count":10,"oa_works_count":5,"cited_by_count":0},{"year":1992,"works_count":16,"oa_works_count":9,"cited_by_count":0},{"year":1993,"works_count":13,"oa_works_count":7,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":4,"cited_by_count":0},{"year":1995,"works_count":13,"oa_works_count":11,"cited_by_count":0},{"year":1996,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":9,"oa_works_count":5,"cited_by_count":0},{"year":1998,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":14,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":19,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":22,"oa_works_count":4,"cited_by_count":0},{"year":2004,"works_count":7,"oa_works_count":3,"cited_by_count":0},{"year":2005,"works_count":14,"oa_works_count":5,"cited_by_count":0},{"year":2006,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":10,"oa_works_count":4,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":2011,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":9,"oa_works_count":4,"cited_by_count":190},{"year":2013,"works_count":11,"oa_works_count":8,"cited_by_count":315},{"year":2014,"works_count":12,"oa_works_count":5,"cited_by_count":342},{"year":2015,"works_count":8,"oa_works_count":6,"cited_by_count":421},{"year":2016,"works_count":17,"oa_works_count":10,"cited_by_count":437},{"year":2017,"works_count":11,"oa_works_count":7,"cited_by_count":489},{"year":2018,"works_count":15,"oa_works_count":9,"cited_by_count":526},{"year":2019,"works_count":8,"oa_works_count":3,"cited_by_count":491},{"year":2020,"works_count":6,"oa_works_count":6,"cited_by_count":491},{"year":2021,"works_count":2,"oa_works_count":1,"cited_by_count":416},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":361},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":352},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":327},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":246},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":230}],"display_name_alternatives":["GREGORKIEWICZ, T","Gregorkiewicz, T.","Gregorkiewicz, Tom","Prof Dr. T. Gregorkiewicz","T Gregorkiewicz","T. GREGORKIEWICZ","T. Gregorkiewicz","Tom Gregorkievicz","Tom Gregorkiewicz","Tom Gregorkiewicz (1279833)"],"block_key":"t gregorkiewicz","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000898453","awards_count":6,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5000898453","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}