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Enhanced radiation-induced narrow channel effects in 0.13-μm PDSOI nMOSFETs with shallow trench isolation |
Meng-Ying Zhang(张梦映)1,2, Zhi-Yuan Hu(胡志远)1, Da-Wei Bi(毕大炜)1, Li-Hua Dai(戴丽华)1,2, Zheng-Xuan Zhang(张正选)1 |
1. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Total ionizing dose responses of different transistor geometries after being irradiated by 60Co γ-rays, in 0.13-μm partially-depleted silicon-on-insulator (PD SOI) technology are investigated. The negative threshold voltage shift in an n-type metal-oxide semiconductor field effect transistor (nMOSFET) is inversely proportional to the channel width due to radiation-induced charges trapped in trench oxide, which is called the radiation-induced narrow channel effect (RINCE). The analysis based on a charge sharing model and three-dimensional technology computer aided design (TCAD) simulations demonstrate that phenomenon. The radiation-induced leakage currents under different drain biases are also discussed in detail.
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Received: 31 August 2017
Revised: 08 November 2017
Accepted manuscript online:
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PACS:
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85.30.-z
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(Semiconductor devices)
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61.80.-x
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(Physical radiation effects, radiation damage)
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07.87.+v
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(Spaceborne and space research instruments, apparatus, and components (satellites, space vehicles, etc.))
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85.30.De
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(Semiconductor-device characterization, design, and modeling)
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Fund: Project supported by the Weapon Equipment Pre-Research Foundation of China (Grant No. 9140A11020114ZK34147) and the Shanghai Municipal Natural Science Foundation, China (Grant No. 15ZR1447100). |
Corresponding Authors:
Meng-Ying Zhang
E-mail: myzhang@mail.sim.ac.cn
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About author: 85.30.-z; 61.80.-x; 07.87.+v; 85.30.De |
Cite this article:
Meng-Ying Zhang(张梦映), Zhi-Yuan Hu(胡志远), Da-Wei Bi(毕大炜), Li-Hua Dai(戴丽华), Zheng-Xuan Zhang(张正选) Enhanced radiation-induced narrow channel effects in 0.13-μm PDSOI nMOSFETs with shallow trench isolation 2018 Chin. Phys. B 27 028501
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