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Questions related to Semiconductor
Should the space-charge region be considered in the electrical equivalent circuit used in EIS to analyze the oxide layer formed in the open circuit potential on titanium??
10 August 2020 3,134 4 View
Is there a relationship between the crystallinity nature "single crystal, polycrystalline or amorphous" and semiconductor material property at the nanoscale?
05 August 2020 4,702 7 View
Hi, my p-type field effect transistor is exhibiting positive Ids instead of negative Ids and I think this Ids might be all gate leakage current and there is no current through the semiconductor...
21 July 2020 4,316 13 View
I need to find out the energy levels of valence band and conduction band in case of oxide semiconductors. I want to know about the technique used to do that along with the measurement procedure.
07 July 2020 2,238 9 View
Dear colleagues: I need the electrical conductivity or resistivity of the following photocatalytic semiconductors and the following Heterostructures (made of two or more semiconductors joined...
07 July 2020 2,350 1 View
Hello everyone, I have done running pwscf and BoltzTraP calculation for bulk Mg2Si. After I plot the seebeck with energy, the plot shows that Mg2Si is p-type semiconductor (In the fermi energy,...
29 June 2020 5,418 3 View
Hello, I am trying to ANN from MATLAB to train ANN on effect of interference of one ion on another, and then based on this training providing 'accurate results'. I am new to Machine Learning...
24 June 2020 9,787 2 View
Diffusé réflectance or photoluminescence
24 June 2020 8,101 21 View
Undoped semiconductor shows better crystallinity in terms of higher photoluminescence (PL) intensity, in comparison to gallium doped semiconductor. But SEM images show that undoped semiconductor...
18 June 2020 5,750 8 View
Sub bandgap is absent in undoped semiconductor. Sub-gap appeared for 10% Ga-doping and again disappeared for highly doped sample such as 20%.
18 June 2020 1,662 4 View
Hi everyone, Do you have any experience working with semiconductor radiation detectors? Is it a reverse biased PN junction? Is there any way to build a cheap one or is there just too much thermal...
17 June 2020 3,126 18 View
I am looking for the solution of the attached document .I am not getting the questions . I have found many hints about it but getting confused about the correct one
17 June 2020 6,197 1 View
Dear all, I need to prepare electrical contacts in order to connect a gold pad with a semiconductor (few microm size) . i cannot perform lithographic process. Hence, how can I obtain good...
10 June 2020 10,009 8 View
Someone posted a similar question but I have a further question on strain (increase/ decrease atom distance). So I know that the distance increases and decreases the bandgap distance. But can it...
05 June 2020 963 5 View
The energy gap in the semiconducting films decreases when the thickness of the film increases. What is the reason?
01 June 2020 3,293 5 View
We are struggling for gate leakage current simulation of MOS-HEMT using different barriers/oxide layers, can anybody guide us with sample Silvaco TCAD script for leakage models?
23 May 2020 615 1 View
could you be kind of explaining that why NiO is intrinsic p-type semiconductor? Besides, how to do p-type doping on metal oxides? for example perovskites SrNb2O6 or SrTiO3 and so on.
19 May 2020 1,424 19 View
Please, which numerical software used for the simulation of electronic nano-devices or, in other words, electronic devices based on 2D semiconductor materials? Thank you so much.
02 May 2020 4,862 1 View
Hi all, I am currently trying to work out how to export an LTSPICE model to CST. Just to get how to do it basically I have started by just using a standard 50 ohm resistor that I want to export as...
28 April 2020 3,153 1 View
Hello! I am studying temperature- and doping-dependent physical models of semiconductor properties, such as energy gap, intrinsic carrier concentration, carrier mobilities, minority carrier...
10 April 2020 1,573 9 View
I am ICP etching AlGaAs Bragg structures using Ar, Cl2 and BCl3. After etching (typically a few microns), there is material deposited on the surface and sidewalls of my photonic structures. I...
23 March 2020 2,486 5 View
I'm trying to mechanically exfoliate a decent size (more than 20 um) 1L ReS2 film from bulk using the standard PDMS technique. But, I'm hardly getting any film close to 10 um size. Has someone...
16 March 2020 9,007 2 View
Work function of a semiconductor is given by the energy required to take electron from Fermi level to vacuum level. Under illumination, Fermi level of a semiconductor is replaced by two quasi...
12 March 2020 4,785 10 View
I am learning knowledge of bandgap engineering applied on wastewater treatment this semester. It seems that there are many properties of a semiconductor that influence photodegradation activity of...
11 March 2020 6,687 6 View