Rochelle盐中的压电共振：对角应变的贡献
Piezoelectric resonance in Rochelle salt: the contribution of diagonal strains
摘要：
在考虑剪切应变$\varepsilon_4$和对角应变$\varepsilon_2$、$\varepsilon_3$的双子格Mitsui模型框架下，研究了Rochelle盐X切口的动态介电响应.描述了高频电场对晶体的夹持、压电谐振和微波色散等实验现象。结果表明，最低共振频率总是与$\varepsilon_4$剪切模式相关联
英文摘要：
Within the framework of two-sublattice Mitsui model with taking into account the shear strain $\varepsilon_4$ and the diagonal strains $\varepsilon_2$ and $\varepsilon_3$, a dynamic dielectric response of Rochelle salt X-cuts is considered. Experimentally observed phenomena of crystal clamping by high frequency electric field, piezoelectric resonance and microwave dispersion are described. It is shown that the lowest resonant frequency is always associated with the $\varepsilon_4$ shear mode
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