Predicted pyrochlore to fluorite disorder temperature for A2Zr2O7 compositions
β Scribed by Rushton, M.J.D.; Grimes, Robin W.; Stanek, C.R.; Owens, Scott
- Book ID
- 118267686
- Publisher
- Cambridge University Press
- Year
- 2004
- Tongue
- English
- Weight
- 55 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0884-2914
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π SIMILAR VOLUMES
Pyrochlore oxides of the composition Y 2 Ti 2Ψy Zr y O 7 , with y β«Ψβ¬ 0, 0.3, 0.6, and 0.9, were studied using Raman spectroscopy. Doping with Zr Ψ4 , a homovalent ion, gradually induces the material to undergo a structural change from the perfect pyrochlore structure to a defect pyrochlore structur
The pyrochlores in the series A 2 Sb 2 O 7 have been synthesized and characterized as exhibiting spin glass transitions at T SG = 41, 4.5, and 2.6 K (for A=Mn 2 + S ΒΌ 5 2 , Co 2 + S ΒΌ 3 2 and Ni 2 + S =1, respectively) despite the lack of chemical disorder. Since the Curie-Weiss temperature remains