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The temperature coefficient of delay (TCD) of the surface acoustic wave (SAW) on the amorphous TeO2 /36deg to 46deg Y-X LiTaO3 layered substrates have been investigated. Other characteristics important for SAW applications such as wave modes, electromechanical coupling coefficient (K2) have also been calculated. It is found that they simultaneously have a very high K2 around 8%, a pure transverse...
Love-mode immunosensors based on ZnO/36degYX-LiTaO3 structures are studied. The ZnO films are grown on the 36degYX-LiTaO3 substrates by RF magnetron sputtering technique. The crystalline structures of the ZnO films are investigated by the X-ray diffraction (XRD) analysis, which show that the highly orientated (002) films are obtained. Then the Love-mode sensors are fabricated for monitoring antibody-antigen...
Theoretical calculations have been performed for the temperature stability of the amorphous TeO2/36deg Y-X LiTaO3 structure. The phase velocity, electromechanical coupling coefficient and temperature coefficient of delay (TCD) have been calculated. It is found that it simultaneously has a very high K2 around 8%, a pure transverse surface wave mode and a zero TCD. The TCD can reach zero when the thickness...
In this paper, a kind of Love wave sensors with SiO2/36degYX LiTaO3 structures for monitoring antibody-antigen immunoreactions in aqueous solutions in real time is presented. In this study, the devices with low insertion losses are achieved when the devices are in direct contact with the solutions. In the immunosensing measurements, a goat anti human-immunoglobulin G (HigG) is immobilized on the device...
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