Photo of as-grown GdCOB crystal pull along direction showing two sets of habitual faces and (101).
Schematic of the cross section of the as-grown GdCOB crystal with relation to crystallographic and physical axes (a) and schematic crystal samples with and cuts.
Orientation dependence of the piezoelectric coefficient for the GdCOB crystal (a) length extensional and (b) thickness shear .
Resistivity as a function of temperature for GdCOB crystals with different cuts.
Dielectric permittivity and dielectric loss as a function of temperature for different crystal cuts measured at frequency of 100 kHz.
Resonance and antiresonance frequency characteristics of impedance and phase for -cut GdCOB samples at room temperature and (the small insert).
Impedance modulus for -cut GdCOB crystal as a function of temperature.
Temperature characteristics of the resonance frequency for the GdCOB crystal with different cuts.
Electromechanical coupling factors and as a function of temperature.
Piezoelectric coefficients and as a function of temperature.
Usage temperature range for different ferroelectric materials and high temperature piezoelectric crystals.
Main properties for GdCOB crystal with different cuts . The figures in parenthesis were obtained at .
Room temperature piezoelectric properties for high temperature piezoelectric crystals.
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