Les phases Na4XO4 (X = Si,Ti, Cr,Mn, Co,Ge, Sn,Pb) et K4XO4 (X = Ti,Cr, Mn,Ge, Zr,Sn, Hf,Pb) |
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| Authors: | Roger Olazcuaga Jean-Maurice Reau Michel Devalette Gilles Le Flem Paul Hagenmuller |
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| Institution: | Service de Chimie Minérale Structurale de l''Université de Bordeaux I, Associé au C.N.R.S., 351 Cours de la Libération, 33405 Talence, France |
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| Abstract: | The isotypic Na4XO4 (X = Si, Ti, Cr, Mn, Co, Ge, Sn, Pb) and K4XO4 (X = Ti, Cr, Mn, Ge, Zr, Sn, Hf, Pb) phases crystallize in the triclinic system. Optical and magnetic properties of the chromium, manganese, and cobalt compounds show that the transition element has a tetrahedral surrounding. |
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