新型宽禁带压电半导体材料-Ga2O3及其在射频谐振器中的应用-Ga2O3: an Emerging Wide Bandgap Piezoelectric Semiconductor for Application in Radio Frequency Resonators王钢中山大学佛山研究院院长,中山大学半导体照明材料及器件国家地方联合工程实验室主任、教授WANG GangProfessor and Dean of Foshan Institute of Sun Yat-Sen University; Director of the National-Local Joint Engineering Laboratory of Semiconductor