Manufacturability improvements of inductively coupled plasma etch chambers in PVD tools

Author(s):  
A.C. Berti ◽  
E.A. Bonner
Author(s):  
Shiying Zhang ◽  
Lei Zhang ◽  
Yueyao Zhong ◽  
Guodong Wang ◽  
Qingjun Xu

High crystal quality GaN nanorod arrays were fabricated by inductively coupled plasma (ICP) etching using self-organized nickel (Ni) nano-islands mask on GaN film and subsequent repaired process including annealing in ammonia and KOH etching. The Ni nano-islands have been formed by rapid thermal annealing, whose density, shape, and dimensions were regulated by annealing temperature and Ni layer thickness. The structural and optical properties of the nanorods obtained from GaN epitaxial layers were comparatively studied by high-resolution X-ray diffraction (HRXRD), Raman spectroscopy and photoluminescence (PL). The results indicate that damage induced by plasma can be successfully healed by annealing in NH3 at 900 °C. The average diameter of the as-etched nanorod was effectively reduced and the plasma etch damage was removed after a wet treatment process in a KOH solution. It was found that the diameter of the GaN nanorod was continuously reduced and the PL intensity first increased, then reduced and finally increased as the KOH etching time sequentially increased.


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Weng-Jung Huang ◽  
Edward Yi Chang ◽  
Chia-Feng Lin ◽  
Ming-Shiann Feng

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Keh-Chyang Leou ◽  
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Tsan-Lang Lin ◽  
Chih-Wei Tseng ◽  
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C. R. Abernathy ◽  
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pp. 265-268
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徐纯洁 XU Chun-jie ◽  
张福刚 ZHANG Fu-gang ◽  
崔立加 CUI Li-jia ◽  
张雪峰 ZHANG Xue-feng ◽  
徐 浩 XU Hao ◽  
...  

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