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It is know that XPS (X-ray Photoelectron Spectroscopy) gives elemental composition (what elements are present) and the chemical state/s (what other elements they are bonded to). I wish to know how...
05 June 2021 6,838 2 View
I'm looking for the simplest and quick way to determine HOMO and LUMO energy of a semiconductor without UPS spectroscopy. Any advise will be helpful please. Thank you
04 June 2021 3,348 5 View
We need optical, electrical and structural properties. What are desire characteristics of sample for photo- sensors applications?
19 May 2021 5,843 8 View
I am looking to include the value of conduction band density and valance band density of semiconductor material inside Silvaco code.
18 May 2021 8,503 3 View
Is it possible for a p-type semiconductor to give electrochemical oxygen evolution reaction .If yes , then what would be possible mechanism of charge transfer
12 May 2021 6,557 4 View
Hello! I'm trying to modulate the electron density in a thin layer of InGaAs highly doped (25nm, 1e19cm-3 n-doped) using field effect with a MOS-like structure, but for the moment, I can only...
09 May 2021 8,164 3 View
An exciton is a bound state of an electron and hole which are attracted to each other by the electrostatic Coulomb force and with this it is electrically neutral quasiparticle that exists in...
08 May 2021 526 8 View
When Fermi energy crosses the conduction band, then what will be the material? n-type semiconductor or metallic?
07 May 2021 4,834 7 View
I have seen in several publications that an extremely sharp/narrow photoluminescence peak is attributed to some defect such as Nitrogen interstitials. However, the peaks appear to be far too...
06 May 2021 7,547 3 View
how flat band potential is related to charge transfer resistance at semiconductor /electrolyte interface in p type semiconductor
06 May 2021 4,525 2 View
A lot of publications have very well-drawn EIS equivalent circuits, but I don't know what software they use that can produce images of this quality. What software do you use, and would you...
04 May 2021 7,807 7 View
Does the zeta potential of the semiconductors in an aqueous solution influence the band bending of them? For example, n-type semiconductor in an acid solution or basic solution?
30 April 2021 6,164 1 View
One thing we can do is Oxygen partial pressure. Any other interesting idea to increases the bandgap?
21 April 2021 2,167 3 View
I need to plot the Projected Bandstructure from the output files of the WIEN2K package. If anyone knows any idea on how to plot it in OriginLab or Python script, please tell me. Thank you in advance.
16 April 2021 1,947 2 View
Dear colleagues, I'm calculating local potential (LOCPOT) data in VASP for the semiconductor/metal interface in order to extract work functions (WF), VBM, CBM, etc. It's known that in the case...
08 April 2021 457 4 View
Calculate the carrier concetration for a P-type Ge semiconductor of thickness 0.3mm. Determine the hall coefficient for a typical N-type Germanium semiconductor having thickness 0.5mm. Determine...
31 March 2021 5,332 2 View
It is said that bandgap engineering/ tailoring can be done by: 1. Making alloy semiconductors 2. Using Quantum Well structures 3. Use of strained layer materials My question is that under which...
31 March 2021 2,007 3 View
Is there any database/website/book where energy band (E-K curve) diagrams of all known, semiconductor materials (Direct as well as Indirect Band Gap semiconductors) is available. It will be...
12 March 2021 3,465 4 View
In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?
02 March 2021 2,279 3 View
It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...
25 February 2021 6,329 4 View
Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...
24 February 2021 10,075 4 View
I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...
18 February 2021 8,416 4 View
I am working with Zinc-Oxide (ZnO) Nanoparticles. I am looking for thermo-physical properties of ZnO., particularly the values of electrical conductivity and thermal expansion coefficient. Does...
05 February 2021 187 3 View
Hello, I run in to some troubles with the mechanical exfoliation of WSe2 and MoS2 on SiO2. I could get quite good flakes (~50um size) to direct exfoliate on PDMS, however 300nm SiO2/Si substrate...
20 January 2021 7,445 11 View