High pressure synthesis and structural s
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P. Bordet; J.J. Capponi; C. Chaillout; D. Chateigner; J. Chenavas; Th. Fournier;
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Article
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1991
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Elsevier Science
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English
β 151 KB
The title compounds were synthesized by high pressure/high temperature reactions. TEM revealed the existence of three types of superstructures of the T-structure, which were also observed by powder and single crystal x-ray diffraction. The result of an average structure refinement with the T' unit c