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|Title:||Evidence of lower valence state of vanadium on the dielectric relaxation of ferroelectric SrBi2 (V0.1Nb0.9)2O9|
|Authors:||Ezhilvalavan, S. |
|Source:||Ezhilvalavan, S.,Xue, J.M.,Wang, J. (2002-09-21). Evidence of lower valence state of vanadium on the dielectric relaxation of ferroelectric SrBi2 (V0.1Nb0.9)2O9. Journal of Physics D: Applied Physics 35 (18) : 2254-2259. ScholarBank@NUS Repository. https://doi.org/18/304|
|Abstract:||Dielectric properties of SrBi2(V0.1Nb0.9)2O9 (SBVN) were investigated in a broad range of temperatures (400-1000 K) and frequencies (1 Hz to 10 MHz). Strong dielectric relaxation at the ferroelectric transition temperature was observed. The effect of post-sinter annealing on the frequency dispersion of SBVN and the possible mechanisms for the observed dielectric relaxation are presented. Electron paramagnetic resonance and x-ray photoelectron spectroscopy investigations provide direct evidence for the existence of lower valence state of vanadium (V4+) in SBVN ceramics.|
|Source Title:||Journal of Physics D: Applied Physics|
|Appears in Collections:||Staff Publications|
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