Progress in bulk GaN growth
*
Xu Ke
a),
b)†
, Wang Jian-Feng
a),
b)
, Ren Guo-Qiang
a),
b)
(a) Schematic view of the laser lift-off (LLO) process, (b) photograph of the 4-inch FS-GaN wafer and the corresponding sapphire after LLO.