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Questions related from Gyanendra Bhattarai
I have seen some researchers using constant bias while some researchers using step voltage before the light pulse in doing Time of Flight charge carrier mobility measurement. In a practical...
06 June 2018 1,842 0 View
It is well known that conductivity of insulator increases with electric field because of increased carrier concentration by Poole-Frenkel emission. There is a renowned paper by Murgatroyd dealing...
06 June 2016 3,221 3 View
I am dealing with amorphous semiconductor films (thickness of the orders of 1-2 microns). A true TOF experiment (where the pulsed light creates a thin sheet of e-h pairs) is difficult because the...
02 February 2016 1,973 2 View
I am searching for a text book with theoretical derivations of different types of conduction mechanism in insulators like Schottky emission, thermionic emission, poole-frenkel emission, Hopping...
11 November 2015 3,038 5 View
Suppose that I am doing photoconductivity experiment with some intrinsic semiconductor/insulator. When light generates e-h pairs, under basic assumption, they are pulled opposite way by applied...
06 June 2015 4,468 2 View
Trying to obtain absorption coefficient from absorbance data. (HP 8453 Spectrometer). When a UV-VIS spectrometer measures absorbance as A = log10(I0/I) how does it determine that the loss in the...
06 June 2015 7,867 6 View
Every search on metal semiconductor contacts in internet redirects to metal semiconductor contact types (ohmic/Schottky) and their characteristics. I am trying to get some useful materials on...
05 May 2015 8,127 4 View
Suppose that e-h pairs are generated on anode surface of an insulator by surface absorption of light. some of the electrons recombine there in surface very shortly. The remaining electrons are...
02 February 2015 483 4 View
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04 April 2014 5,746 1 View
