{"id":"https://openalex.org/A5046320339","orcid":null,"observed_orcids":[],"display_name":"Simon Johnsen","raw_author_names":["Johnsen, Simon","S Johnsen","S. Johnsen","Simon Johnsen"],"full_name":"Johnsen, Simon","works_count":83,"cited_by_count":2634,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":26,"i10_index":41},"ids":{"openalex":"https://openalex.org/A5046320339","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I111979921","ror":"https://ror.org/000e0be47","display_name":"Northwestern University","country_code":"US","type":"education","lineage":["https://openalex.org/I111979921"]},"years":[2013,2012,2011,2010]},{"institution":{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]},"years":[2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005]},{"institution":{"id":"https://openalex.org/I4210105091","ror":"https://ror.org/01c997669","display_name":"Max Planck Institute for Chemical Physics of Solids","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210105091"]},"years":[2010]}],"last_known_institutions":[{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"topics":[{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","count":41,"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/T10939","display_name":"Crystal Structures and Properties","count":22,"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/T10590","display_name":"Chalcogenide Semiconductor Thin Films","count":19,"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/T11277","display_name":"Thermal properties of materials","count":17,"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/T13251","display_name":"Electrical and Thermal Properties of Materials","count":16,"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/T10440","display_name":"Advanced Thermoelectric Materials and Devices","value":0.0002809,"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/T10590","display_name":"Chalcogenide Semiconductor Thin Films","value":0.0001335,"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/T13251","display_name":"Electrical and Thermal Properties of Materials","value":0.0001263,"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/T11277","display_name":"Thermal properties of materials","value":0.0001103,"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/T12200","display_name":"Heusler alloys: electronic and magnetic properties","value":7.56e-05,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9623333215713501},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9016441106796265},{"id":"26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","score":0.7977665662765503},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.6218172311782837},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5378552675247192}],"counts_by_year":[{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":8,"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":13,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":9,"oa_works_count":0,"cited_by_count":214},{"year":2013,"works_count":10,"oa_works_count":0,"cited_by_count":215},{"year":2014,"works_count":10,"oa_works_count":1,"cited_by_count":200},{"year":2015,"works_count":6,"oa_works_count":4,"cited_by_count":169},{"year":2016,"works_count":4,"oa_works_count":3,"cited_by_count":205},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":207},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":170},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":131},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":164},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":145},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":99},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":118},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":97},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":83},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":77}],"display_name_alternatives":["Johnsen, Simon","S Johnsen","S. Johnsen","Simon Johnsen"],"block_key":"s johnsen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5046320339","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5046320339","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
