Microgrooves with low-index facets in halide vapor deposited (001) β-Ga2O3: origin of reverse leakage current in Schottky barrier diodes observed by high-sensitive emission microsc... oleh Makoto Kasu, Yuto Otsubo, Sayleap Sdoeung, Masanori Eguchi, Niloy Chandra Saha, Toshiyuki Oishi, Kohei Sasaki, Chia-Hung Lin, Jun Arima, Katsumi Kawasaki, Jun Hirabayashi