Physics of Semiconductors & Nanostructures Lecture 22: Ballistic Transistors (Cornell 2017)

[phamhoanggiang]

The answer for a student asking about " Why, how does Ef of source increase ? " ( 40:00) is that actually, negative charge biases to source. Its means, a lot of electrons populated to metal source from gate, as a result, Ef must be increased in order to fill in K space.