Effect of magnesium on the properties of LiNbO3 thin films prepared from polymeric precursors
- Simoes, A. Z.
- Gonzalez, A. H.
- Riccardi, C. S.
- Cilense, M.
- Zaghete, M. A.
- Stojanovic, B. D.
- Tangastev, A.
- Setter, N.
- Varela, J. A.
DOIAbstract
The effect of magnesium addition on the phase formation, microstructure and electric and ferroelectric properties of LiNbO3 thin films prepared through polymeric precursors was analyzed. By X ray diffraction no secondary phase was observed with the increase of magnesium concentration. Comparing to pure LiNbO3, the addition of 0.5 and 1.0 mol% of Mg+2 increased of the dielectric constant, while 2.0 mol% decreased it. It was noticed that the increase in additive concentration decreases the ferroelectric remanent polarization and increases the coercive field
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