题目内容

For a MOS capacitor at flat band, the voltage across oxide is always zero. () Because there exists work function difference and possible trapped charge.

查看答案

搜索结果不匹配？点我反馈

更多问题

In the depletion condition of the MOS, when the space charge width increases, the total capacitance will ________

A. Increase
Be the same
C. Decrease
D. Be positive

查看答案

In the ________ condition of the MOS, the differential changes in charge density occur at the edges of the oxide, as in a parallel-plate capacitor

Accumulation
B. Depletion
C. Inversion
D. Flat band

查看答案

In a MOS with a p-type substrate, two sources of electrons changing the charge density of inversion layer are ________

A. Diffusion of minority carrier electrons from the substrate across the space charge region
B. Diffusion of electrons from the metal
C. Thermal generation of electron-hole pairs within the space charge region
D. Therma generation of electron-hole pairs within the oxide

查看答案

When the interface states are present, the C-V curve of a MOS capacitor will ________

A. shift to the positive gate voltage direction
B. shift to the negative gate voltage direction
C. smear out
D. remain the same

查看答案