http://dspace.univ-setif.dz:8888/jspui/handle/123456789/325 Tue, 12 May 2026 01:47:57 GMT 2026-05-12T01:47:57Z http://dspace.univ-setif.dz:8888/jspui/handle/123456789/326 Titre: Synthèse et étude structurale d’une nouvelle phase bi2srteo7 Auteur(s): Loubbidi, L.; Chagraoui, A.; Orayech, B.; Naji, M.; Tairi, A.; Moussaoui, A.; Ait Sidi Ahmed, O.; Yakine, I.; Igartua, J.M Résumé: The investigation in the system Bi2O3-SrO-TeO 2 reveals a new phase Bi2SrTeO7, crystallizing in a cubic unit cell, space group Pa-3 [1] and lattice parameter a = 10.906 (7) Å. The crystal structure was determined by means of the Rietveld method using the Full Prof [2] program. Bi 3+ and Sr 2+ occupy the same site 24e, Te 6+ (1) and Te 6+ (2) occupy the sites 4a and 4b respectively, the oxygen O 2-(1), O 2-(2) and O 2-(3 ) are located in the site 24e respectively. Wed, 01 Jan 2014 00:00:00 GMT http://dspace.univ-setif.dz:8888/jspui/handle/123456789/326 2014-01-01T00:00:00Z