Nanoacoustic Defect Manipulation in Solids

Details Nanoacoustic Defect Manipulation in Solids Nanoacoustic Defect Manipulation in Solids

2004-12-24

arxiv.org/abs/cond-mat/0412685v1

Physics

Condensed Matter

Materials Science

8 pages and 4 figures

Scientific paper

Within a nanoscale volume, an acoustic wave interacts with radiation defects in ionic solids. The radiation-induced optical absorption in ionic crystals is remarkably removed by a room-temperature ultrasonic treatment of the crystals. It is shown that the effect can be explained by defect migration processes occurring in ultrasonic fields. The inter-ion charge exchange, termed as acoustically-stimulated chemical reaction, is furthermore suggested to occur affecting the defect migration. This new method of a cold annealing of radiation defects in solids can be regarded as nanoacoustic defect manipulation.

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