Tunneling Probability of hole fron VB of p-si through any oxide to VB of p++Si ?

Syed Sadique Anwer Askari @Syed-Askari-6

13 February 2017 1 5K Report

Can any time in p-si/oxide/p++si, tunneling probability of electron is greater than electron.

and why?

Please check your question - 'time'??

It is not true that electrons always dominate the tunnelling in 'any oxide'. It depends on the potential barrier between the injecting electrode and the oxide. In Si/SiO2, the barrier for holes is about 1eV larger than that of electrons. The 1eV sits inside an exponential term..

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