Incredible negative values of effective
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V.G. Mozhaev; M. Weihnacht
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Article
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2000
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Elsevier Science
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English
โ 278 KB
The extraordinary case of increase in velocity of surface acoustic waves (SAW) caused by electrical shorting of the surface of the superstrong piezoelectric crystal potassium niobate, KNbO3, is numerically found. The explanation of this effect is based on considering SAWs as coupled Rayleigh and Ble