Can the surface Bleustein-Gulyaev acoustic waves propagate in cubic piezoelectrics?

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Aleksey Anatolievich Zakharenko

I think NO! However, it is possible to say that only one of two surface BG-waves can propagate on the metalized surface.

B. D. Zaĭtsev

The surface Bleustein-Gulyaev acoustic wave can propagate in cubic crystal of crystallographic classes 43m and 23 if the propagation direction is along the plane diagonal of the lattice (components of the unit vector of propagation direction n1=n2 are not equal zero)

Thank You very much for the answer, Professor Zaitsev.

I have read Your works concerning the wave propagation in piezoelectrics. I do today research concerning wave propagation in such smart materials as piezoelectromagnetics. I see You have changed Your research.

Have a nice day!

Best wishes,

Aleksey