首页> 外文期刊>Acta Crystallographica, Section B. Structural Science >The piezoelectric tensor element d(33) of KTiOPO4 determined by single crystal X-ray diffraction
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The piezoelectric tensor element d(33) of KTiOPO4 determined by single crystal X-ray diffraction

机译:用单晶X射线衍射测定的KTiOPO4的压电张量元件d(33)

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摘要

The d(33) piezoelectric constant of KTiOPO4 (potassium titanium orthophosphate, KTP) has been determined for two different samples and at temperatures between 100 and 220 K, using high-resolution X-ray diffraction of a single crystal in an electric field. The observed value of 15(2) x 10(-12) mV(-1) is between the two values of 10.4 and 25.8 x 10(-12) mV(-1) found in the literature. The value of d(33) is shown to be constant over the temperature range 100-220 K and no anomaly was observed at the conductor-insulator transition at 150 K. The results obtained are believed to be sample-independent, since the same value was obtained for two different crystals, measured at different sources.
机译:使用电场下单晶的高分辨率X射线衍射,已针对两个不同的样品并在100至220 K的温度下确定了KTiOPO4(正磷酸钾钛,KTP)的d(33)压电常数。 15(2)x 10(-12)mV(-1)的观测值介于文献中的10.4和25.8 x 10(-12)mV(-1)的两个值之间。 d(33)的值在100-220 K的温度范围内保持恒定,并且在150 K的导体-绝缘体过渡温度下未观察到异常。由于相同的值,因此得出的结果与样品无关。对于两种不同的晶体,在不同的来源进行了测量,得到的结果。

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