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Temperature dependence of single event transient in 90-nm CMOS dual-well and triple-well NMOSFETs |
Li Da-Wei (李达维), Qin Jun-Rui (秦军瑞), Chen Shu-Ming (陈书明) |
College of Computer, National University of Defense Technology, Changsha 410073, China |
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Abstract This paper investigates the temperature dependence of single event transient (SET) in 90-nm complementary metat-oxide semiconductor (CMOS) dual-well and triple-well negative metal-oxide semiconductor field-effect transistors (NMOSFETs). Technology computer-aided design (TCAD) three-dimensional (3D) simulations show that the drain current pulse duration increases from 85 ps to 245 ps for triple-well but only increases from 65 ps to 98 ps for dual-well when the temperature increases from -55℃ to 125℃, which is closely correlated with the source of NMOSFETs. This reveals that the pulse width increases with temperature in dual-well due to the weakening of anti-amplification bipolar effect while increases with temperature in triple-well due to the enhancement of the bipolar amplification.
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Received: 30 June 2012
Revised: 17 August 2012
Accepted manuscript online:
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PACS:
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94.05.Dd
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(Radiation processes)
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85.30.Tv
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(Field effect devices)
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02.60.Cb
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(Numerical simulation; solution of equations)
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Fund: Project supported by the State Key Program of the National Natural Science Foundation of China (Grant No. 60836004) and Innovation Foundation for Postgraduate of Hunan Province, China (Grant No. CX2011B026). |
Corresponding Authors:
Qin Jun-Rui
E-mail: qinjr@nudt.edu.cn
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Cite this article:
Li Da-Wei (李达维), Qin Jun-Rui (秦军瑞), Chen Shu-Ming (陈书明) Temperature dependence of single event transient in 90-nm CMOS dual-well and triple-well NMOSFETs 2013 Chin. Phys. B 22 029401
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