Nuclear magnetic relaxation of protons in 'polyantimonic acid–phosphate' composites
| العنوان: | Nuclear magnetic relaxation of protons in 'polyantimonic acid–phosphate' composites |
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| المؤلفون: | V. M. Chernov, A. S. Neustroev, D. A. Zakhar’evich |
| المصدر: | Russian Journal of Electrochemistry. 52:685-689 |
| بيانات النشر: | Pleiades Publishing Ltd, 2016. |
| سنة النشر: | 2016 |
| مصطلحات موضوعية: | Nuclear magnetic relaxation, Materials science, Ion exchange, Composite number, Transverse magnetization, 02 engineering and technology, Nuclear magnetic resonance spectroscopy, Conductivity, 010402 general chemistry, 021001 nanoscience & nanotechnology, Electrochemistry, 01 natural sciences, 0104 chemical sciences, chemistry.chemical_compound, chemistry, Composite material, 0210 nano-technology, Phosphoric acid |
| الوصف: | The results of studying MeH2PO4 (Me = K, Na)/Sb2O5 · 2.7H2O composites using the pulsed NMR spectroscopy technique at the temperatures of 20–140°C are presented. The contribution of interfaces, a subsystem formed due to interaction between the components of the composite, is identified in the signals of transverse magnetization decay. Protons near the interfaces are in two states, mobile and bound, and the fraction of mobile protons increases with the temperature, as all protons prove to be in the mobile state at the temperatures above 80°C. The composition of the interface is determined by the ion exchange reaction between components and is close to phosphoric acid. The obtained results explain the observed increase in conductivity of composites as compared to pure components. |
| تدمد: | 1608-3342 1023-1935 |
| DOI: | 10.1134/s1023193516070132 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::c1ed5d1ee4c61afbbecbb3d4910f69c0 https://doi.org/10.1134/s1023193516070132 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi...........c1ed5d1ee4c61afbbecbb3d4910f69c0 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 16083342 10231935 |
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| DOI: | 10.1134/s1023193516070132 |