The important role of pyramidal copper l
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E. Suard; V. Caignaert; A. Maignan; B. Raveau
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Article
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1991
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Elsevier Science
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English
⚖ 665 KB
Three series of oxides Ba,Y, \_,CaXCu3\_,FeX0,, tetragonal and orthorhombic, and Ba,Y I \_XCaXCu,\_,FeXO, tetragonal, have been synthesized by successive appropriate thermal treatments under oxygen and argon, for x=0.09,0.12,0.15,0.24. The structure of these different forms has been determined by ne