{"id":"https://openalex.org/A5110076920","orcid":null,"observed_orcids":[],"display_name":"C. R. Helms","raw_author_names":["C HELMS","C R Helms","C. Helms","C. R. HELMS","C. R. Helms","C. Robert Helms","C.R Helms","C.R. Helms","Charles Robert Helms","Charles Robert Helms Charles Robert Helms"],"full_name":"Charles Robert Helms Charles Robert Helms","works_count":232,"cited_by_count":5536,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":39,"i10_index":104},"ids":{"openalex":"https://openalex.org/A5110076920","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1341412227","ror":"https://ror.org/05hh8d621","display_name":"IBM (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},"years":[1983,1974]},{"institution":{"id":"https://openalex.org/I162577319","ror":"https://ror.org/049emcs32","display_name":"The University of Texas at Dallas","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I193775966","ror":"https://ror.org/01wjejq96","display_name":"Yonsei University","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I2802273670","ror":"https://ror.org/0408mbg90","display_name":"Electrochemical Society","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I2802273670"]},"years":[1998,1997]},{"institution":{"id":"https://openalex.org/I4210147375","ror":"https://ror.org/03gmm4776","display_name":"Semi Conductor Devices (Israel)","country_code":"IL","type":"company","lineage":["https://openalex.org/I4210147375"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I4388891764","ror":"https://ror.org/03gkvrb60","display_name":"Raytheon (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I1306686416","https://openalex.org/I4388891764"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I4392738099","ror":"https://ror.org/0551gkb08","display_name":"Stanford SystemX Alliance","country_code":"US","type":"facility","lineage":["https://openalex.org/I4392738099","https://openalex.org/I97018004"]},"years":[1990,1988,1987]},{"institution":{"id":"https://openalex.org/I46603895","ror":"https://ror.org/05yab6874","display_name":"Varian Medical Systems (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I46603895"]},"years":[1978]},{"institution":{"id":"https://openalex.org/I74760111","ror":"https://ror.org/03vsmv677","display_name":"Texas Instruments (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I923382979","ror":"https://ror.org/01xcepn55","display_name":"ExxonMobil (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I923382979"]},"years":[1978,1977,1976,1975]},{"institution":{"id":"https://openalex.org/I97018004","ror":"https://ror.org/00f54p054","display_name":"Stanford University","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]},"years":[2003,2002,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1982,1981,1980,1979,1978,1977,1976,1975,1974,1973,1972]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10472","display_name":"Semiconductor materials and devices","count":135,"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":132,"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":62,"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"}},{"id":"https://openalex.org/T11637","display_name":"Advanced Semiconductor Detectors and Materials","count":43,"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/T12166","display_name":"Ion-surface interactions and analysis","count":35,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10472","display_name":"Semiconductor materials and devices","value":0.0002674,"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","value":0.0002555,"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/T11637","display_name":"Advanced Semiconductor Detectors and Materials","value":0.000185,"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","value":0.0001776,"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"}},{"id":"https://openalex.org/T10590","display_name":"Chalcogenide Semiconductor Thin Films","value":0.0001624,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9826264381408691},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9111528396606445},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.5606842041015625},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5375034809112549},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.25932931900024414}],"counts_by_year":[{"year":1972,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1981,"works_count":12,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":10,"oa_works_count":4,"cited_by_count":0},{"year":1988,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":14,"oa_works_count":3,"cited_by_count":0},{"year":1990,"works_count":15,"oa_works_count":3,"cited_by_count":0},{"year":1991,"works_count":13,"oa_works_count":2,"cited_by_count":0},{"year":1992,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":12,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":1998,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":80},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":82},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2016,"works_count":12,"oa_works_count":0,"cited_by_count":62},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":62},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":44},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":61},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":29}],"display_name_alternatives":["C HELMS","C R Helms","C. Helms","C. R. HELMS","C. R. Helms","C. Robert Helms","C.R Helms","C.R. Helms","Charles Robert Helms","Charles Robert Helms Charles Robert Helms"],"block_key":"c helms","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110076920","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}