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Twinning effects in the orthorhombic form of a Ba2YCu3O7−x superconductor

✍ Scribed by Thomas L. Hendrixson; Michael A. Damento; Robert A. Jacobson


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
377 KB
Volume
88
Category
Article
ISSN
0022-4596

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A New Orthorhombic Ba8Co7O21 Phase: Poly
✍ K. Boulahya; M. Parras; J.M. González-Calbet; A. Vegas 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 772 KB

The systematic search of new intermediate phases between 2H-BaCoO 3 and Ca 3 Co 2 O 6 structures has shown, for the 5rst time, the existence of polymorphism in monodimensional phases of the homologous series (A 3 B 2 O 6 ) (A 3 B 3 O 9 ) . A new Ba 8 Co 7 O 21 phase, di4erent from the trigonal phase