Xutang Tao, Jiandong Ye, Shibing Long, Zhitai Jia. Preface to the Special Issue on Ultra-Wide Bandgap Semiconductor Gallium Oxide: from Materials to Devices[J]. Journal of Semiconductors, 2019, 40(1): 010101. doi: 10.1088/1674-4926/40/1/010101 X T Tao, J D Ye, S B Long, Z T Jia, Preface to the Special Issue on Ultra-Wide Bandgap Semiconductor Gallium Oxide: from Materials to Devices[J]. J. Semicond., 2019, 40(1): 010101. doi: 10.1088/1674-4926/40/1/010101.Export: BibTex EndNote