Abstract
Calcium yttrium aluminate (CaYAl3O7) crystal was grown and characterized in detail for high temperature piezoelectric sensors for the first time. The thermal properties of the CaYAl3O7 (CYAM) crystal were investigated systematically. In particular, the CYAM crystal exhibits considerably high resistivity along X-and Z-direction in the order of 6.96 × 107 Ω cm and 2.86 × 108 Ω cm at 600 °C, respectively. The temperature dependence of the electromechanical properties of CYAM crystal were investigated over the temperature range of 25-500 °C. The high thermal stability of piezoelectric properties together with its high electrical resistivity, makes CaYAl3O7 crystal a promising candidate for high temperature piezoelectric applications.
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CITATION STYLE
Li, Y., Jia, Z., Yin, Y., Hu, Q., Mu, W., Zhang, J., … Tao, X. (2018). Temperature dependence of the thermal, electrical resistivity, dielectric and piezoelectric properties of cayal3o7 crystal. Crystals, 8(1). https://doi.org/10.3390/cryst8010034
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