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Mechanism of protonic conduction in defect pyrochlore HNbWO6·xH2O using MAS NMR

✍ Scribed by Nader Binesh; Vasudeva Bhat; S.V. Bhat


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
289 KB
Volume
86-88
Category
Article
ISSN
0167-2738

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Chemical shift spectroscopy of protonic
✍ S.V. Bhat; Nader Binesh; Vasudeva Bhat 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 298 KB

H chemical shift spectroscopy has been used to determine the diffusing species in layered and defect pyrochlore structures of HNbWO,.xH,O (x= 1.5, 1). A narrow signal at S= 1 I .3 ppm in the former indicates the presence and diffusion of H,O+ ions, while for the latter compound 6= 7.7 ppm, implying