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Growth and Photoelectric Properties of Twinned ZnSe _{bm {1-x}} Te _{bm x} Nanotips

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8 Author(s)
Chang, S.J. ; Dept. of Elec trical Eng., Nat. Cheng Kung Univ., Tainan, Taiwan ; Chih, S.H. ; Hsiao, C.H. ; Lan, B.W.
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The authors report the growth of high density ZnSe0.9Te0.1 nanotips by molecular beam epitaxy and the fabrication of ZnSeTe nanotip photodetector. It was found that the as-grown ZnSe0.9Te0.1 nanotips were twinned with alternative multidomains and mixture of cubic zinc-blende/hexagonal wurtzite phases. With 5-V applied bias, it was found that photocurrent to dark current contrast ratio of the fabricated photodetector was larger than 700.

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Nanotechnology, IEEE Transactions on  (Volume:10 ,  Issue: 3 )