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Effect of metallization on the power flow angle of SH0 waves in thin piezoelectric plates

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Abstract

The anisotropy of the angle between the phase and group velocity (power flow angle, PFA) as well as the influence of electrical boundary conditions on this angle have been studied for shear-horizontal fundamental (SH0) acoustic waves in thin piezoelectric plates of lithium niobate (LNO) and potassium niobate (KNO). Both LNO and KNO crystals possess orientations at which the PFA for SH0 waves reaches large values (17° and 48°, respectively). It is established that metallization of the piezoelectric plate surface can significantly change PFA values, in particular, by 18° and 55° for Y-X + 25° cut plates of LNO and KNO, respectively.

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Authors and Affiliations

  1. Institute of Radio Engineering and Electronics (Saratov Branch), Russian Academy of Sciences, Saratov, Russia

    I. E. Kuznetsova, B. D. Zaĭtsev & A. A. Teplykh

  2. Marquette University, Milwaukee, WI, 53201, PO Box 1881, USA

    S. G. Joshi

Authors
  1. I. E. Kuznetsova
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  2. B. D. Zaĭtsev
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  3. A. A. Teplykh
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  4. S. G. Joshi
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Additional information

Original Russian Text © I.E. Kuznetsova, B.D. Zaĭtsev, A.A. Teplykh, S.G. Joshi, 2006, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 32, No. 23, pp. 73–79.

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Kuznetsova, I.E., Zaĭtsev, B.D., Teplykh, A.A. et al. Effect of metallization on the power flow angle of SH0 waves in thin piezoelectric plates. Tech. Phys. Lett. 32, 1033–1035 (2006). https://doi.org/10.1134/S106378500612011X

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  • DOI: https://doi.org/10.1134/S106378500612011X

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