DCIV Technique for Extracting BackGate Interface Traps Density in Non-irradiated and Irradiated PDSOI Devices

WANG Fang-fang; ZENG Chuan-bin; LI Xiao-jing; GAO Lin-chun; LUO Jia-jun; HAN Zheng-sheng

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DCIV Technique for Extracting BackGate Interface Traps Density in Non-irradiated and Irradiated PDSOI Devices

更新时间：2026-09-04

- DCIV Technique for Extracting BackGate Interface Traps Density in Non-irradiated and Irradiated PDSOI Devices
- Vol. 35, Issue 7, Pages: 92-96(2018)
- 作者机构：
  
  1. 中国科学院机构微电子研究所,北京,100029
  2. 中国科学院大学机构,北京,101408
  3. 中国科学院硅器件技术重点实验室,北京,100029
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018
- 稿件说明：
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王芳芳, 曾传滨, 李晓静, 高林春, 罗家俊, 韩郑生. DCIV技术提取辐照前后PDSOI器件背栅界面态密度[J]. 微电子学与计算机, 2018, 35(7): 92-96.

WANG Fang-fang, ZENG Chuan-bin, LI Xiao-jing, et al. DCIV Technique for Extracting BackGate Interface Traps Density in Non-irradiated and Irradiated PDSOI Devices[J]. 2018, 35(7): 92-96.
王芳芳, 曾传滨, 李晓静, 高林春, 罗家俊, 韩郑生. DCIV技术提取辐照前后PDSOI器件背栅界面态密度[J]. 微电子学与计算机, 2018, 35(7): 92-96. DOI：

WANG Fang-fang, ZENG Chuan-bin, LI Xiao-jing, et al. DCIV Technique for Extracting BackGate Interface Traps Density in Non-irradiated and Irradiated PDSOI Devices[J]. 2018, 35(7): 92-96. DOI：

摘要

直流电流电压(DCIV)技术受应用于智能剥离技术制造的PDSOI中硅/二氧化硅界面质量的研究.本文通过将样品进行钴60伽马射线辐照

用以监测PDSOI器件背沟道界面在总剂量辐照前后的变化情况.本文给出了完整的测试原理、实验流程和结果分析

不仅提取了辐照前后PDSOI器件的背界面陷阱密度以及它所在的等效能级

而且得到了界面陷阱能级密度在硅禁带中随能级变化的U型分布图(以禁带中央附近为主)

为后续PDSOI器件的抗辐照加固提供了参考.

Abstract

Direct Current Current Voltage(DCIV) technique has been applied to study the Si-film/SiO interface quality of Partially Depleted SOI that were fabricated on a SMART-CUT wafer. the samples were exposed to Co-60 gamma rays irradiation to monitor the development of PDSOI back-channel interface states. The paper gives the integrated measurement mechanism

experiment flow and result analysis

then it can not only obtain the back-channel interface trap density and its equivalent energy level

but also can calculate the u-shape map (mainly in near the center of the silicon forbidden zone) of the interfacial trap energy density with the change of energy level in the silicon forbidden zone

which provides reference for the enhancing of PDSOI devices.

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references

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赵洪利, 高林春, 曾传滨等.DCIV技术表征MOS/SOI界面陷阱能级密度分布[J].半导体检测与设备, 2015, 40(1): 63-67. DOI: 63

赵洪利, 高林春, 曾传滨等.部分耗尽SOI器件背栅界面陷阱密度的提取[J].微电子学, 2015, 45(6): 817-820. DOI: 817

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