By applying Ni/Au Schottky contact for electrodes, the insertion loss can be decreased compared with which using aluminum for electrodes.

• 分别观察在以铝为电极和以镍金为电极时表面声波滤波器的频率响应，发现了以萧基接触做为电极时能降低因氮化镓材料导电性造成的讯号损失。