{"id":"https://openalex.org/A5114375434","orcid":"https://orcid.org/0000-0002-8468-4678","observed_orcids":["https://orcid.org/0000-0002-8468-4678"],"display_name":"Rafi Ullah","raw_author_names":["Rafi Ullah","Ullah, Rafi"],"full_name":"Ullah, Rafi","works_count":19,"cited_by_count":872,"summary_stats":{"2yr_mean_citedness":2.5714285714285716,"h_index":6,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5114375434","orcid":"https://orcid.org/0000-0002-8468-4678","observed_orcids":["https://orcid.org/0000-0002-8468-4678"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1282311441","ror":"https://ror.org/041nk4h53","display_name":"Lawrence Livermore National Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1282311441","https://openalex.org/I1330989302","https://openalex.org/I198811213","https://openalex.org/I4210138311"]},"years":[2020,2019]},{"institution":{"id":"https://openalex.org/I135310074","ror":"https://ror.org/01y2jtd41","display_name":"University of Wisconsin\u2013Madison","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I169108374","ror":"https://ror.org/000xsnr85","display_name":"University of the Basque Country","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]},"years":[2020,2019,2018]},{"institution":{"id":"https://openalex.org/I172780181","ror":"https://ror.org/011maz450","display_name":"University of the Punjab","country_code":"PK","type":"education","lineage":["https://openalex.org/I172780181"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I207789805","ror":"https://ror.org/05b5x4a35","display_name":"Lahore University of Management Sciences","country_code":"PK","type":"education","lineage":["https://openalex.org/I207789805"]},"years":[2024,2014,2009]},{"institution":{"id":"https://openalex.org/I2802999120","ror":"https://ror.org/04zyfmb02","display_name":"Government of Khyber Pakhtunkhwa","country_code":"PK","type":"government","lineage":["https://openalex.org/I2802999120"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4210117190","ror":"https://ror.org/023ke8y90","display_name":"CIC nanoGUNE","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210117190"]},"years":[2020,2019,2018,2015]},{"institution":{"id":"https://openalex.org/I76094744","ror":"https://ror.org/02bz74262","display_name":"Hiram College","country_code":"US","type":"education","lineage":["https://openalex.org/I76094744"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I135310074","ror":"https://ror.org/01y2jtd41","display_name":"University of Wisconsin\u2013Madison","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]},{"id":"https://openalex.org/I76094744","ror":"https://ror.org/02bz74262","display_name":"Hiram College","country_code":"US","type":"education","lineage":["https://openalex.org/I76094744"]}],"topics":[{"id":"https://openalex.org/T10592","display_name":"Fusion materials and technologies","count":7,"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/T12166","display_name":"Ion-surface interactions and analysis","count":7,"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/T10002","display_name":"Advanced Chemical Physics Studies","count":5,"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/T11948","display_name":"Machine Learning in Materials Science","count":3,"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/T12506","display_name":"Nuclear materials and radiation effects","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T12506","display_name":"Nuclear materials and radiation effects","value":2.14e-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"}},{"id":"https://openalex.org/T13937","display_name":"Genetics, Bioinformatics, and Biomedical Research","value":1.87e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10592","display_name":"Fusion materials and technologies","value":1.49e-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"}},{"id":"https://openalex.org/T13399","display_name":"Unemployment and Economic Growth","value":1.4e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13645","display_name":"Thermodynamic and Structural Properties of Metals and Alloys","value":1.38e-05,"subfield":{"id":"https://openalex.org/subfields/2506","display_name":"Metals and Alloys"},"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":0.9088000059127808},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.8061873912811279},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6557000279426575},{"id":"184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","score":0.6136114597320557},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.17983472347259521}],"counts_by_year":[{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":10},{"year":2019,"works_count":2,"oa_works_count":2,"cited_by_count":26},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":37},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":86},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":103},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":120},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":141},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":158},{"year":2026,"works_count":4,"oa_works_count":3,"cited_by_count":176}],"display_name_alternatives":["Rafi Ullah","Ullah, Rafi"],"block_key":"r ullah","works_api_url":"https://api.openalex.org/works?filter=author.id:A5114375434","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5114375434","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}