Temperature characteristics of acoustic modes in SiO2, LiNbO3, LiTaO3, Bi12GeO20, and Bi12Si20 piezoelectric crystal plates

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• 作者：V. I. Anisimkin ; I. I. Pyataikin…
• 刊名：Journal of Communications Technology and Electronics
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：61
• 期：1
• 页码：76-81
• 全文大小：512 KB
• 参考文献：1.K. S. Aleksandrov, B. P. Sorokin, and S. I. Burkov, Efficient Piezoelectric Crystals for Acoustoelectronics, Piezotechnology and Sensors (Sib. Otd. RAN, Novosibirsk, 2007), Vols. 1, 2 [in Russian].
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• 作者单位：V. I. Anisimkin (1)
  I. I. Pyataikin (1)
  N. V. Voronova (2)
  Yu. V. Puchkov (2)
  
  1. Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, ul. Mokhovaya 11, korp. 7, Moscow, 125009, Russia
  2. Elpa Research Institute, Panfilofskii pr. 10, Zelenograd, Moscow, 124460, Russia
  
• 刊物类别：Engineering
• 刊物主题：Communications Engineering and Networks
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1555-6557

文摘

Temperature coefficients of delay of zero- and higher-order acoustic plate modes in the most widespread piezoelectric crystals are calculated and measured. It is shown that, along with the well-known dependence of these coefficients on material constants (typical of surface and bulk acoustic waves), their values for plate modes depend also on the mode number, plate thickness, acoustic wavelength, and thermal expansion coefficient of the crystal across the plate thickness, which allows one to change the temperature sensitivity of plate modes in wide limits without changing the material and orientation of the crystal. For some combinations of the aforementioned parameters, very small temperature changes Δt ~ 10–3°C are detected. Original Russian Text © V.I. Anisimkin, I.I. Pyataikin, N.V. Voronova, Yu.V. Puchkov, 2016, published in Radiotekhnika i Elektronika, 2016, Vol. 61, No. 1, pp. 83–88.