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Questions related to Semiconductor
I have doped Cr, Mn, Co, Ni and Cu in bilayer MoS2 but the band gap reduces after Cr and Mn doping, and other three elements (Co, Ni and Cu) convert the semiconductor into metal. can anybody tell...
07 July 2019 1,699 5 View
The optical band gap is the threshold for photons to be absorbed, while the electrical band gap/transport gap is the threshold for creating an electron–hole pair that is not bound together. The...
07 July 2019 975 9 View
I am planning to do selenization on my semiconductor material which requires selenium in vapor form, but i am worried about its enviromental impact. Can anybody please tell me where can i dispose...
07 July 2019 4,565 2 View
Take GaAs as an example. If we assume there are some deep levels inside the GaAs bandgap caused by point defects, like vacancy or antisite, when strain is applied on it, we know the bandgap will...
07 July 2019 6,942 6 View
I'm wondering how we can calculate the absolute electronegativity of KOH. We can't use the equation of semiconductor to calculate right?
07 July 2019 3,230 4 View
02 July 2019 9,719 5 View
I was looking to see the effect of switching frequency on dc -dc converters. I found a PowerPoint presentation from On Semiconductor indicating that as we increase the switching frequency of the...
26 June 2019 8,973 2 View
how energy transfer from carbon dots to p-type semiconductor decreases band gap?
21 June 2019 6,214 1 View
Does the Auger recombination co-efficient of hole and electron of any semiconductor depends on material only or also on defects?? i.e. Does Auger recombination co-efficient is inherently material...
10 June 2019 7,545 1 View
Is a carbon dots exactly semiconductor or conductor? How can i determine its semiconductor or conductor?
06 June 2019 4,085 7 View
06 June 2019 2,205 1 View
The name "transistor" is said to be obtained from "transfer + resistor". It's a good start point to name it. Nevertheless, I wonder how researchers of today would prefer to name it when they...
06 June 2019 2,327 1 View
I am working with lift off technique with a negative photoresist (AZ nLOF2020) which is a cresol novolak based one. The baking and post-exposure baking are done at 100ºC for 60s and the exposure...
06 June 2019 8,525 3 View
Is the Carbon dots Semiconductor or conductor? please i need explanation
06 June 2019 719 3 View
06 June 2019 9,606 2 View
Why do the PL spectra of indirect band gap semiconductor (for example Sb2S3） have to be tested at low temperatures?
06 June 2019 9,056 3 View
Linear Magnetoresistance is commonly observed in a different class of materials like Topological Insulator, Weyl Semimetal, Disordered Semiconductor and Semimetal. But it seems always vague...
06 June 2019 3,795 3 View
Cu2O and CuO are direct and indirect band gap materials respectively. We deposited a film that shows the Raman signatures of both CuO and Cu2O, what will be their band gap, direct or indirect?
06 June 2019 3,491 3 View
02 June 2019 5,506 3 View
01 June 2019 2,111 3 View
How Gallium affect the properties of graphene and can i treat Ga dopoed graphene as semiconductor?
30 May 2019 2,303 3 View
When measuring the contact resistance using CTLM method, does the contact increase when the thickness of metal thin film increases twice? The composition of metal is Ni/Au/Ni.
24 May 2019 7,869 1 View
how make a circuit designing in CST?
24 May 2019 7,950 3 View
I went through literature and found that tin oxide is transparent to visible light and absorbs in the IR region. But what about the UV region?
17 May 2019 2,756 5 View