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Fayyaz, A.; Castellazzi, A. (2015)
Publisher: Elsevier
Languages: English
Types: Article
Subjects:

Classified by OpenAIRE into

ACM Ref: Hardware_PERFORMANCEANDRELIABILITY, Hardware_LOGICDESIGN, Hardware_INTEGRATEDCIRCUITS
Silicon Carbide (SiC) gate oxide reliability still remains a crucial issue and is amongst the important consideration factors when it comes to the implementation of SiC MOS-based devices within industrial power electronic applications. Recent studies have emerged assessing the gate oxide reliability of SiC MOSFETs. Such studies are needed in order to fully understand the properties of SiC/SiO2 interface which is currently holding back the industry from fully utilising the superior features that SiC may offer. This paper aims to present experimental results showing the threshold voltage (VTH) and gate leakage current (IGSS) behaviour of SiC MOSFETs when subjected to pulsed-gate switching bias and drain-source bias stress at high temperature over time. The results obtained are then used to investigate the gate-oxide reliability of SiC MOSFETs. 2D TCAD static simulation results showing electric field distribution near the SiC/SiO2 interface are also presented in this paper.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • [1] Treu M, Rupp R, Sölkner G. Reliability of SiC power devices and its influence on their commercialization - review, status, and remaining issues. IEEE IRPS; 2010. p. 156-61.
    • [2] Mawby PA, Kampouris C, Koh A. Advances in silicon carbide MOS technology. In: Proc. 23rd international conference on microelectronics, vol. 1, Nis, Yugoslavia; 12-15 May 2002.
    • [3] Friedrichs P, Kimoto T, Ley L, Pensl G, “4H-SiC MISFETs with nitrogen-containing insulators,” in Silicon Carbide Volume 2: Power Devices and Sensors, 1st ed. Weinheim, Germany: Wiley-Vch, 2010, ch. 10, sec. 10.2, pp. 237-238
    • [4] Nawaz M., On the Evaluation of Gate Dielectrics for 4H-SiC Based Power MOSFETs, Active and Passive Electronic Components, Volume 2015, December 2014, Pages 1-12
    • [5] Green R, Lelis A, habersat D. Application of reliability test standards to SiC power MOSFETs. In: Reliability physics symposium (IRPS). IEEE International; 2011. p. ex.2.1-ex.2.9.
    • [6] Das, Mrinal K., et al. "SiC MOSFET reliability update." Materials Science Forum. Vol. 717. 2012.
    • [7] L. Yang, A. Castellazzi, High temperature gate-bias and reverse-bias tests on SiC MOSFETs, Microelectronics Reliability, Volume 53, Issues 9- 11, September-November 2013, Pages 1771-1773.
    • [8] Robertson J., High dielectric constant oxides, The European physical journal applied physics, March 2004, Pages 265-291.
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