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Observation of Acoustical Memory in LiNbO3

Michael S. McPherson, Igor Ostrovskii, and M. A. Breazeale
Phys. Rev. Lett. 89, 115506 – Published 26 August 2002
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Abstract

A new physical effect is reported. In single crystals of lithium niobate (LiNbO3), we have observed an acoustical memory effect. An acoustical tone burst is stored inside the crystal and reemitted at a later time. This memory signal is related to the acousto-electrical properties of the ferroelectric medium. Futhermore, it is shown to be sensitive to both temperature and frequency.

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  • Received 8 April 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.115506

©2002 American Physical Society

Authors & Affiliations

Michael S. McPherson, Igor Ostrovskii*, and M. A. Breazeale

  • Department of Physics and Astronomy, University of Mississippi, National Center for Physical Acoustics, Coliseum Drive, University, Mississippi 38677

  • *On leave from the Shevchenko University in Kiev, Ukraine.

See Also

Crystal Clear Memory

JR Minkel
Phys. Rev. Focus 10, 11 (2002)

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Issue

Vol. 89, Iss. 11 — 9 September 2002

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