{"id":"https://openalex.org/A5113973228","orcid":null,"observed_orcids":[],"display_name":"R. Sauer","raw_author_names":["R Sauer","R. SAUER","R. Sauer"],"full_name":"Raphael Sauer","works_count":228,"cited_by_count":7315,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":45,"i10_index":153},"ids":{"openalex":"https://openalex.org/A5113973228","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I100066346","ror":"https://ror.org/04vnq7t77","display_name":"University of Stuttgart","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]},"years":[2008,1992,1990,1989,1988,1987,1986,1985,1984,1983,1982,1981,1980,1979,1978,1977,1976,1974,1973]},{"institution":{"id":"https://openalex.org/I1283103587","ror":"https://ror.org/02bbd5539","display_name":"AT&T (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I1283103587"]},"years":[1989,1988,1987,1986]},{"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":[2004]},{"institution":{"id":"https://openalex.org/I161046081","ror":"https://ror.org/0245cg223","display_name":"University of Freiburg","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]},"years":[2005,2001]},{"institution":{"id":"https://openalex.org/I196349391","ror":"https://ror.org/032000t02","display_name":"Universit\u00e4t Ulm","country_code":"DE","type":"education","lineage":["https://openalex.org/I196349391"]},"years":[2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990]},{"institution":{"id":"https://openalex.org/I219193219","ror":"https://ror.org/02dqehb95","display_name":"Purdue University West Lafayette","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]},"years":[1983]},{"institution":{"id":"https://openalex.org/I4210088365","ror":"https://ror.org/005bk2339","display_name":"Max Planck Institute for Solid State Research","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210088365"]},"years":[1987,1986,1985,1984,1983]},{"institution":{"id":"https://openalex.org/I4210126328","ror":"https://ror.org/02js37d36","display_name":"IBM Research - Zurich","country_code":"CH","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210126328"]},"years":[1992]},{"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]}],"last_known_institutions":[{"id":"https://openalex.org/I196349391","ror":"https://ror.org/032000t02","display_name":"Universit\u00e4t Ulm","country_code":"DE","type":"education","lineage":["https://openalex.org/I196349391"]}],"topics":[{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":119,"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/T11853","display_name":"Semiconductor materials and interfaces","count":96,"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/T11169","display_name":"Silicon Nanostructures and Photoluminescence","count":83,"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":54,"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/T10099","display_name":"GaN-based semiconductor devices and materials","count":43,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter 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/T11169","display_name":"Silicon Nanostructures and Photoluminescence","value":0.000789,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":0.000316,"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/T10624","display_name":"Silicon and Solar Cell Technologies","value":0.0002272,"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/T12309","display_name":"solar cell performance optimization","value":0.0002032,"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/T10478","display_name":"Diamond and Carbon-based Materials Research","value":0.0001993,"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":"26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","score":0.8978955149650574},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8969476819038391},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7330912947654724},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7097874283790588},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.5821099281311035}],"counts_by_year":[{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":7,"oa_works_count":1,"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":2,"cited_by_count":0},{"year":1987,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":7,"oa_works_count":2,"cited_by_count":0},{"year":1996,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":12,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2006,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":10,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":8,"oa_works_count":4,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":383},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":264},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":214},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":221},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":224},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":203},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":157},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":175},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":132},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":108},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":102},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":101},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":97},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":108}],"display_name_alternatives":["R Sauer","R. SAUER","R. Sauer"],"block_key":"r sauer","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113973228","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113973228","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}