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- Article name
- Influence of nickel oxide on dielectric and piezoelectric parameters of composite materials based on niobates of alkali metals
- Authors
- REZNICHENKO L. A., , ilich001@yandex.ru, Research Institute of Physics of Southern Federal University, Rostov-on-Don, Russia
VERBENKO I. A., , ilich001@yandex.ru, Research Institute of Physics of Southern Federal University, Rostov-on-Don, Russia
SHILKINA L. A., , lid-shilkina@yandex.ru, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
DUDKINA S. I., , s.i.dudkina@yandex.ru, Research Institute of Physics, Southern Federal University, Rostov-on-Don, Russia
PAVLENKO A. V., , apavlenko@sfedu.ru, Research Institute of Physics, Southern Federal University; Southern Scientific Center of the Russian Academy of Sciences, Rostov-on-Don, Russia
- Keywords
- niobates of alkali metals / ceramics / modification / composite material / electrical characteristics / midrange device
- Year
- 2015 Issue 1 Pages 60 - 64
- Code EDN
- Code DOI
- Abstract
- Composite materials based on niobates of alkali metals 0.94(K0.46Na0.54)(Nb0.9Ta0.1)O3+ +0.06LiSbO3 and modified over stoichiometry by 1 mas % and 2 mas % of NiO was obtained. It was established that doping of 2 mas % of NiO had led to considerable growth of relative permittivity, piezoelectric modulus, coefficient of electromechanical coupling of planar oscillation mode, halving of mechanical Q maintaining high value of piezosensitivity. Assumption about coupling of sharp "softening" of properties of object with special crystal-chemical activity of nickel was expressed. Possible fields of application of developed materials were proposed.
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