Hypersound waves at the surface of CdZnTe crystals: The role of surface orientation and scattering at twin boundaries


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

Abstract

The patterns of propagation of gigahertz surface acoustic waves (SAWs) are obtained for cuts of CdZnTe single crystals with different crystallographic orientations. By comparing the experimental patterns with the calculated ones, the existence of at least two SAW modes, one of which is a Rayleigh mode, is demonstrated. It is shown that the anisotropy of propagation of different SAW modes makes it possible to determine the local crystallographic orientation of the CdZnTe surface and detect local imperfections of the crystal structure. Strong anisotropic scattering of the Rayleigh wave by coherent twin boundaries is found.

About the authors

A. Yu. Klokov

Lebedev Physical Institute

Author for correspondence.
Email: klokov@lebedev.ru
Russian Federation, Moscow, 119991

V. S. Krivobok

Lebedev Physical Institute

Email: klokov@lebedev.ru
Russian Federation, Moscow, 119991

A. I. Sharkov

Lebedev Physical Institute

Email: klokov@lebedev.ru
Russian Federation, Moscow, 119991

V. A. Tsvetkov

Lebedev Physical Institute

Email: klokov@lebedev.ru
Russian Federation, Moscow, 119991

D. F. Aminev

Lebedev Physical Institute

Email: klokov@lebedev.ru
Russian Federation, Moscow, 119991

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2017 Pleiades Publishing, Inc.