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Questions related from Bijit Choudhuri
Why the density of state is proportional to the volume of the conductor in the case of ballistic transport? For the bulk material, it is expressed as per cm^3 per eV but in ballistic transport, it...
13 October 2022 3,087 0 View
I was trying to deposit silicon (melting point 1414o C ) thin film using electron beam evaporator. When the silicon source inside the crucible started illuminating, within a very small interval of...
05 December 2018 2,274 2 View
In p-type semiconductor, the holes' motion are imagined by motion of electron absence. Now my question is if a hole movement is meant by merging of an electron from covalent bond with a hole thus...
05 August 2016 1,936 29 View
As we know, ZnO exhibits n-type conductivity due to the interstitial diffusion of Zn2+ and 2 electrons in ZnO crystal. My question is whether the n-type conductivity in TiO2 can be attributed to...
04 May 2016 4,614 2 View
why the primary flat in 100 silicon wafer is kept in parallel to the 110 direction? Is there any reason behind it or just a conevntion? Also, why does the wafer break easier along the cleavage...
01 May 2016 6,289 6 View
Recently I am in need of measuring the capacitance and impedance of my device using Agilent E4980A precision LCR meter. But due to the effect of wires in probe-station the capacitance and...
13 April 2015 3,099 1 View
What is difference between optical absorption and photoluminescence in terms of application? Both of the spectroscopy of are used in determination of bandgap. So why do we use these two different...
27 March 2015 864 8 View
