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Low-Frequency Noise Study of p-Channel Bulk MuGFETs

机译:p通道体MuGFET的低频噪声研究

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The low-frequency (LF) noise in p-channel bulk Multiple-Gate Field-Effect Transistors (MuGFETs) with 2.5 nm SiON gate oxide has been investigated in the ohmic regime from weak to strong inversion. It is shown that both 1/f-like noise and Generation-Recombination (GR) noise are present, giving rise to a wide device-to-device scatter in the spectral density. The 1/f noise is dominated by number fluctuations from which an effective trap density in the range 5 × 10~(17) cm~(-3)eV~(-1) has been derived. At the same time, it is demonstrated that the GR noise originates from traps in the gate oxide.
机译:在从弱到强反转的欧姆状态下,已经研究了带有2.5 nm SiON栅极氧化物的p沟道体多栅极场效应晶体管(MuGFET)中的低频(LF)噪声。结果表明,同时存在1 / f类噪声和世代重组(GR)噪声,从而导致频谱密度在设备间扩散很大。 1 / f噪声受数量波动的支配,由此得出有效陷阱密度在5×10〜(17)cm〜(-3)eV〜(-1)范围内。同时,证明了GR噪声源于栅氧化物中的陷阱。

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