Syed Sadique Anwer Askari

6 Questions 8 Answers 0 Followers

Questions related from Syed Sadique Anwer Askari

Drift velocity vs electric field of electrons in amorphous and micro-crystalline silicon?

Dear All, We are looking for drift velocity vs electric field of electrons and holes for finding the drift velocity saturation in the amorphous and micro-crystalline silicon. Please guide me for...

30 August 2019 857 2 View

Can you suggest, from where I can buy Indium paste or Indium Tin alloy for making contact in Hall Measurement?

Can you suggest, from where I can buy Indium paste or Indium Tin alloy for making contact in Hall Measurement.

01 August 2018 204 1 View

What is the value of intrinsic carrier concentration (ni), Nc and Nv in ZnO (unintentional doped) ?

Please give the the value of ni, Nc and Nv for ZnO.

28 March 2018 8,877 4 View

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

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

13 February 2017 5,241 1 View

Why exciton, in place of e-h pair, are created in perovskite solar cell?

Perovskite have High dielectric constant (~18) But still excitons are created after absorption of photon unlike inorganic semiconductor like Silicon(~11)( e-h pairs are created). Why?

21 December 2016 4,489 4 View

Why exciton dissociation takes place at the hetero-junction providing discontinuity in energy level?

What are the forces that controls the dissociation process. Why at hetero-junction, dissociation takes place. Please give me some analytical and quantitative idea about this process. Is there...

09 December 2016 1,845 1 View