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  • Title: Surface acoustic wave properties of (100) AlN films on diamond with different IDT positions.
    Author: Lin ZX, Wu S, Ro R, Lee MS.
    Journal: IEEE Trans Ultrason Ferroelectr Freq Control; 2009 Jun; 56(6):1246-51. PubMed ID: 19574132.
    Abstract:
    (100) AlN films have better surface acoustic wave (SAW) properties than (002) AlN films. In this research, (100) AlN films were combined with diamonds as a new composite SAW substrate. The SAW properties of (100) AlN films on diamonds were analyzed with 4 composite structures: interdigital transducer (IDT)/(100) AlN/diamond, (100) AlN/IDT/diamond, IDT/(100) AlN/metal/diamond, and metal/IDT/(100) AlN/diamond, and they exhibited some excellent SAW properties. Our research results provide a predictable and theoretical basis for further application on high-velocity SAW devices.
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