@misc{yuichi2015a,
  title = {Halide Vapor Phase Epitaxy of twin-free a-Ga2O3 on sapphire (0001) substrates},
  author = {Yuichi Oshima, Encarnación G. Víllora, Kiyoshi Shimamura},
  publisher = {IOP Publishing},
  year = {2015-05-01},
  keywords = {α-Ga2O3, HVPE}
}