Self-confined GaN heterophased quantum wells

Ikai Lo; Yu-Chi Hsu; Chia-Ho Hsieh; Wen-Yuan Pang; Chou, Mitch M. C.; Chen, Yen-Liang; Shih, Cheng-Hung; Wang, Ying-Chieh
May 2010
Applied Physics Letters;5/31/2010, Vol. 96 Issue 22, p222105
Academic Journal
Wurtzite/zinc-blende/wurtzite GaN heterophased quantum wells (QWs) were grown by plasma-assisted molecular beam epitaxy. A self-assembling mechanism was used to simulate the heterophased QW, in which a wurtzite/zinc-blende phase transition was created by rotating the threefold symmetric N-Ga vertical bond 60°. The GaN heterophased QW was attested by transmission electron microscopy, selective area electron diffraction and cathodoluminescence measurements.


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