{"id":"https://openalex.org/A5008445846","orcid":null,"observed_orcids":[],"display_name":"A. Hama\u00efdia","raw_author_names":["A Hamaidia","A Hama\u00efdia","A. Hamaidia","A. Hama\u00efdia"],"full_name":"A. Hama\u00efdia","works_count":12,"cited_by_count":48,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5008445846","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I108754898","ror":"https://ror.org/03sf55932","display_name":"Badji Mokhtar-Annaba University","country_code":"DZ","type":"education","lineage":["https://openalex.org/I108754898"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I1294671590","ror":"https://ror.org/02feahw73","display_name":"Centre National de la Recherche Scientifique","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},"years":[1988,1986]},{"institution":{"id":"https://openalex.org/I98702875","ror":"https://ror.org/051kpcy16","display_name":"Universit\u00e9 de Caen Normandie","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210105918","https://openalex.org/I98702875"]},"years":[1988,1986,1985,1984]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10097","display_name":"Luminescence Properties of Advanced Materials","count":11,"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/T11878","display_name":"Solid-state spectroscopy and crystallography","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/T12381","display_name":"Electron Spin Resonance Studies","count":5,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"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/T12646","display_name":"Inorganic Fluorides and Related Compounds","count":5,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11050","display_name":"Photorefractive and Nonlinear Optics","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T12646","display_name":"Inorganic Fluorides and Related Compounds","value":6.43e-05,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10097","display_name":"Luminescence Properties of Advanced Materials","value":3.64e-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/T12381","display_name":"Electron Spin Resonance Studies","value":3.34e-05,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"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/T11878","display_name":"Solid-state spectroscopy and crystallography","value":2.3e-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/T11050","display_name":"Photorefractive and Nonlinear Optics","value":9e-06,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.5371798276901245},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5153304934501648},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.45229068398475647},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.3242028057575226},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.09283170104026794}],"counts_by_year":[{"year":1984,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":1,"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":3,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["A Hamaidia","A Hama\u00efdia","A. Hamaidia","A. Hama\u00efdia"],"block_key":"a hamaidia","works_api_url":"https://api.openalex.org/works?filter=author.id:A5008445846","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}