Effect of bistrifluoromethane sulfonimide treatment on nickel/InAs contacts
Effect of bistrifluoromethane sulfonimide treatment on nickel/InAs contacts
复制标题
双三氟甲磺酰亚胺处理对镍/InAs 触点的影响
DOI:
10.1007/s00339-019-2705-7
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Zeng, Yuping
中科院分区:
文献类型:
--
作者:
Shariar, Kazy F.;Lin, Guangyang;Wang, Zijian;Cui, Peng;Zhang, Jie;Opila, Robert;Zeng, Yuping
In this work, the effects of bis(trifluoromethane) sulfonimide (TFSI) (a superacid) surface treatment on electrical properties of nickel/InAs contacts and InAs material are investigated with transmission line measurements (TLMs). After TFSI treatments on bare InAs TLM patterns, the contact resistance between InAs and Ni contact increased. While for InAs TLM structure passivated with a ZrO2thin film, the total resistance of InAs decreased drastically after TFSI treatments. X-ray photoelectron spectroscopy measurements revealed that the TFSI reduced the indium oxide at the InAs/ZrO2interface. This novel passivation method can be adopted in III–V semiconductor device fabrication process to reduce contact resistance and, therefore, enhance device performances, providing a new guidance for III–V fabrication process technology.
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DOI:
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发表时间:
1956
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