Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Conclusive Model-Fit Current-Voltage Characteristics Curves with Kink Effects

Version 1 : Received: 9 July 2023 / Approved: 13 July 2023 / Online: 13 July 2023 (11:49:13 CEST)

A peer-reviewed article of this Preprint also exists.

Yang, H.-C.; Chi, S.-C. Conclusive Model-Fit Current–Voltage Characteristic Curves with Kink Effects. Applied Sciences 2023, 13, 12379, doi:10.3390/app132212379. Yang, H.-C.; Chi, S.-C. Conclusive Model-Fit Current–Voltage Characteristic Curves with Kink Effects. Applied Sciences 2023, 13, 12379, doi:10.3390/app132212379.

Abstract

Current-voltage characteristics curves of NFinFET are presented and are fitted with the modi-fied current-voltage (I-V) formulas, where the modified term in the triode region is demon-strated to be indispensable. In the as-known I-V formula, important parameters need determin-ing to make both the measured data and the fitting data as close as possible. Those parameters include kN (associated with the sizes of the transistor and mobility), (associated with Early Voltage), and Vth (the threshold voltage). The differences between the measured data and the fit-ting data vary as the applied source-drain bias, proving that the mobility of the carriers is not consistently constant. On the other hand, a modified formula, called kink effect factor, is nega-tively or positively added simulating solitary heat waves, which disturb the propagation of car-riers and thus influence the Source-Drain current (IDS). The new statistical standard deviations () are then found to be effectively suppressed as the kink effect is taken into account.

Keywords

Keywords: kink effect, solitary wave, phonons

Subject

Engineering, Electrical and Electronic Engineering

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