Studies on the nucleation of MBE grown III-nitride nanowires on Si
Yanxiong E, Hao Zhibiao †, Yu Jiadong, Wu Chao, Wang Lai, Xiong Bing, Wang Jian, Han Yanjun, Sun Changzheng, Luo Yi
       

(color online) (a) A bird's-eye-view SEM image taken with a angle, the red circle highlights the AlN film growing between NWs. The inset is the AlN NWs grown after nucleation, the tapered shape at the base is clearly seen. (b) A plane view SEM image of the sample without aluminization process.