{"id":"https://openalex.org/A5102016294","orcid":"https://orcid.org/0000-0002-1229-6801","observed_orcids":["https://orcid.org/0000-0002-1229-6801"],"display_name":"Erik Johnson","raw_author_names":["E Johnson","E. Johnson","Erik Johnson","Johnson, E.","Johnson, Erik"],"full_name":"Erik Johnson","works_count":104,"cited_by_count":3204,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":28,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5102016294","orcid":"https://orcid.org/0000-0002-1229-6801","observed_orcids":["https://orcid.org/0000-0002-1229-6801"]},"affiliations":[{"institution":{"id":"https://openalex.org/I124055696","ror":"https://ror.org/035b05819","display_name":"University of Copenhagen","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]},"years":[2022,2021,2020,2019,2018,2017,2016,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2000,1999,1998,1997,1995,1993,1992,1991,1989,1986,1985,1979]},{"institution":{"id":"https://openalex.org/I148283060","ror":"https://ror.org/02jbv0t02","display_name":"Lawrence Berkeley National Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I154570441","ror":"https://ror.org/02t274463","display_name":"University of California, Santa Barbara","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I2800835167","ror":"https://ror.org/04syjc425","display_name":"Danish Defence Acquisition and Logistics Organization","country_code":"DK","type":"government","lineage":["https://openalex.org/I2800835167"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I32021983","ror":"https://ror.org/04v76ef78","display_name":"Christian-Albrechts-Universit\u00e4t zu Kiel","country_code":"DE","type":"education","lineage":["https://openalex.org/I32021983"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4210091470","ror":"https://ror.org/00ezjkn15","display_name":"Osipyan Institute of Solid State Physics RAS","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210091470","https://openalex.org/I4210096333"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I95457486","ror":"https://ror.org/01an7q238","display_name":"University of California, Berkeley","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I96673099","ror":"https://ror.org/04qtj9h94","display_name":"Technical University of Denmark","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]},"years":[2022,2021,2020,2019,2018,2017,2016,2013,2010,2009,2008,2007,2005,2004]}],"last_known_institutions":[{"id":"https://openalex.org/I124055696","ror":"https://ror.org/035b05819","display_name":"University of Copenhagen","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]},{"id":"https://openalex.org/I96673099","ror":"https://ror.org/04qtj9h94","display_name":"Technical University of Denmark","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"topics":[{"id":"https://openalex.org/T11087","display_name":"Solidification and crystal growth phenomena","count":23,"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/T13645","display_name":"Thermodynamic and Structural Properties of Metals and Alloys","count":22,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":17,"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/T10670","display_name":"Aluminum Alloy Microstructure Properties","count":17,"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"}},{"id":"https://openalex.org/T11272","display_name":"Nanowire Synthesis and Applications","count":16,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11272","display_name":"Nanowire Synthesis and Applications","value":0.0001707,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T12202","display_name":"nanoparticles nucleation surface interactions","value":0.0001377,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11087","display_name":"Solidification and crystal growth phenomena","value":0.0001246,"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/T13645","display_name":"Thermodynamic and Structural Properties of Metals and Alloys","value":0.0001002,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11887","display_name":"Quasicrystal Structures and Properties","value":9.59e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.915147066116333},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.6233571767807007},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5406439304351807},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.46964141726493835},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.45238614082336426}],"counts_by_year":[{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1999,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":9,"oa_works_count":4,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":1,"cited_by_count":125},{"year":2013,"works_count":6,"oa_works_count":5,"cited_by_count":159},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":156},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":181},{"year":2016,"works_count":4,"oa_works_count":3,"cited_by_count":167},{"year":2017,"works_count":3,"oa_works_count":3,"cited_by_count":204},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":158},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":143},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":184},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":185},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":196},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":108},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":134},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":112},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":46}],"display_name_alternatives":["E Johnson","E. Johnson","Erik Johnson","Johnson, E.","Johnson, Erik"],"block_key":"e johnson","works_api_url":"https://api.openalex.org/works?filter=author.id:A5102016294","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
