@article {liu2020graphene,
	title = {Graphene-Assisted Epitaxy of Nitrogen Lattice Polarity GaN Films on Non-Polar Sapphire Substrates for Green Light Emitting Diodes},
	journal = {Advanced Functional Materials},
	volume = {30},
	number = {22},
	year = {2020},
	pages = {2001283},
	publisher = {Wiley Online Library},
	author = {Fang Liu and Zhang, Zhihong and Rong, Xin and Yu, Ye and Tao Wang and Sheng, Bowen and Wei, Jiaqi and Zhou, Siyuan and Yang, Xuelin and Xu, Fujun and others}
}
