{"id":"https://openalex.org/W3172323009","doi":null,"title":"Elaboration et caract\u00e9risation des poudres KNbO3 et (K1-xNax) NbO3","display_name":"Elaboration et caract\u00e9risation des poudres KNbO3 et (K1-xNax) NbO3","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W3172323009","mag":"3172323009"},"language":"fr","primary_location":{"id":"mag:3172323009","doi":null,"is_oa":false,"landing_page_url":"http://dspace.univ-jijel.dz:8080/xmlui/handle/123456789/936","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"dissertation","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070732995","display_name":"Ramdane Karima","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ramdane Karima","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5013094173","display_name":"Noureddine Boutaoui","orcid":"https://orcid.org/0000-0002-0071-1545","observed_orcids":["https://orcid.org/0000-0002-0071-1545"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N. Boutaoui","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0071-1545","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10107","display_name":"Ferroelectric and Piezoelectric Materials","score":0.9721999764442444,"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"}},"topics":[{"id":"https://openalex.org/T10107","display_name":"Ferroelectric and Piezoelectric Materials","score":0.9721999764442444,"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/T12155","display_name":"Microwave Dielectric Ceramics Synthesis","score":0.017899999395012856,"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/T13249","display_name":"Dielectric properties of ceramics","score":0.0017000000225380063,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/potassium-niobate","display_name":"KNbO3","score":0.8889999985694885},{"id":"https://openalex.org/keywords/powder-synthesis","display_name":"powder synthesis","score":0.8270000219345093},{"id":"https://openalex.org/keywords/powder-characterization","display_name":"powder characterization","score":0.8230000138282776},{"id":"https://openalex.org/keywords/solid-solutions","display_name":"solid solutions","score":0.41200000047683716}],"concepts":[{"id":"https://openalex.org/C2779192218","wikidata":"https://www.wikidata.org/wiki/Q16944486","display_name":"Elaboration","level":2,"score":0.5214923620223999},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.36673349142074585},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.14933428168296814},{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.1447143852710724}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:3172323009","doi":null,"is_oa":false,"landing_page_url":"http://dspace.univ-jijel.dz:8080/xmlui/handle/123456789/936","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4237252138","https://openalex.org/W254531366","https://openalex.org/W1996780651","https://openalex.org/W2059647329","https://openalex.org/W2067092633","https://openalex.org/W3036034549","https://openalex.org/W413815584","https://openalex.org/W3110348735","https://openalex.org/W2750126236","https://openalex.org/W388206982"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2021-06-22T00:00:00"}