PIN-PMN-PT 单晶高频超声换能器的设计与制作。
Design and fabrication of PIN-PMN-PT single-crystal high-frequency ultrasound transducers.
出版信息
IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Dec;56(12):2760-3. doi: 10.1109/TUFFC.2009.1367.
Abstract
High-frequency PIN-PMN-PT single crystal ultrasound transducers at center frequencies of 35 MHz and 60 MHz were successfully fabricated using lead indium niobate-lead magnesium niobate-lead titanate (0.23PIN- 0.5PMN-0.27PT) single crystal. The new PIN-PMN-PT single crystal has higher coercivity (6.0 kV/cm) and higher Curie temperature (160 degrees C) than PMN-PT crystal. Experimental results showed that the PIN-PMN-PT transducers have similar performance but better thermal stability compared with the PMN-PT transducers.
摘要
采用铌酸铅-镁酸铅-钛酸铅（0.23PIN-0.5PMN-0.27PT）单晶成功制备了中心频率为 35MHz 和 60MHz 的高频 PIN-PMN-PT 单晶超声换能器。新型 PIN-PMN-PT 单晶具有比 PMN-PT 晶体更高的矫顽力（6.0kV/cm）和居里温度（160°C）。实验结果表明，与 PMN-PT 换能器相比，PIN-PMN-PT 换能器具有相似的性能，但热稳定性更好。
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