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物理学报  2011 

Effects of A-site equivalence and non-equivalence substitution on polarization properties of K0.5Na0.5NbO3 lead-free piezoelectric ceramics
A位等价与非等价取代对(K0.5Na0.5)NbO3陶瓷极化的影响

Keywords: K0,5Na0,5NbO3,polarization,piezoelectric
铌酸钾钠
,极化,压电

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Abstract:

The effects of A-site equivalence and non-equivalence substitution on polarization temperature and electric field of K0.5Na0.5NbO3 lead-free piezoelectric ceramics are studied, and the results show that the ceramics sample of A-site equivalence is independent of polarization temperature and electric field, which can improve the piezoelectric constant. On the contrary, the ceramics sample of A-site non-equivalence substitution is sensitive to polarization temperature and electric field, constraining the piezoelectric properties.

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