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Frequency Shifts in Plate Crystal Resonators Induced by Electric, Magnetic, or Mechanical Fields in Surface Films

机译:板晶振荡器的频移 由电,磁或机械引起的 surface Films中的字段

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摘要

We study frequency shifts in plate crystal resonators with surface films. The films are multiphysical, including the effects of inertia, stiffness, intrinsic stress, piezoelectric coupling, and piezomagnetic coupling. Mindlin’s two-dimensional equations for a crystal plate with two elastic surface films are generalized to include the multiphysical effects of the films. They are used to study thickness-shear vibrations of a rotated Y-cut quartz plate with initial fields resulting from the mechanical, electric, and magnetic fields in the surface films. Frequency shifts caused by the initial fields are calculated and examined. Results show that plate crystal resonators with multiphysical surface films may be used for electric/magnetic field sensing.
机译:我们研究具有表面膜的平板晶体谐振器中的频移。薄膜是多物理场的,包括惯性,刚度,固有应力,压电耦合和压电耦合的影响。 Mindlin对带有两个弹性表面膜的晶体板的二维方程进行了概括,以包括这些膜的多物理效应。它们用于研究旋转的Y形切割石英板的厚度-剪切振动,其初始场是由表面膜中的机械,电场和磁场产生的。计算并检查由初始场引起的频移。结果表明,具有多物理表面膜的平板晶体谐振器可用于电场/磁场传感。

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