It have been observed that density of defects states of thin films of chalcogenide glasses are more than bulk samples, why?

More Dr. Anjani Kumar's questions See All

What is the best metod for preparation of thin films of chalcogenide glasses?

Give suitable answer for the same.

01 February 2018 1,032 3 View

Which selenium based alloy is more appropiate for optical devices application point of view?

Is this is Se-Cu or Se-Pb or Se-In or Se-Ag or Se-Al or any other chalcogenide glassy system, Kindly specify and give suitable explanation for the same.

07 August 2017 9,332 3 View

Is chalcogenide materials suitable for proto type three dimensional printing?

give suitable answer.

31 December 2016 6,826 0 View

What is the difference between four probe and two probe measurement method?

Well known answer is that, two probe method is appropiate only for highly resistive material and four probe measurement method is only for low resistive material, but for determination of band gap...

08 September 2016 8,788 9 View

Is it possible to draw a B-H curve for chalcogenide glasses?

Explain and give suitable references.

08 September 2016 4,191 2 View

What are important factors, those can be evaluated by dielectrical measurements?

Explain and give suitable explanation.

07 August 2016 1,412 3 View

What may be the grain size of nanocrystalline materials?

Explain and give correct explanation.

03 April 2016 6,791 4 View

What are the important factors that can be evaluated by dielectric measurements of nanocrystalline materials?

Explain and give the suitable formulae.

02 March 2016 8,864 4 View

How can we connect the study of light induced defects in chalcogenide glasses for solar cell applications?

Explain and give suitable explanation.

02 March 2016 4,600 4 View

Is it possible to prepare nano thin film from nanopowder?

Explain and give suitable explanation.

10 November 2015 1,762 7 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Is changing the medium during the experiment overestimate the results?

I am experimenting with cancer and non-cancer cells in a 12-well plate for 4 days with a seeding density 1*10^4/well, however, I noticed that the control group growth rate slows down on D3. Should...

07 August 2024 2,283 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Should I include H atom into C3N5 when i am doing DFT modelling?

Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...

07 August 2024 8,414 2 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Is there a good freeware software for photodocumentation of TLC?

I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?

31 July 2024 8,415 1 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

How can I calculate formation energy using VASP-Ab-initio?

I would like to calculate the formation energy of P2-Na0.67Fe0.5Mn0.5O2 based on DFT, what should I do step by step. Any help would be appreciated. Thanks.

29 July 2024 8,248 2 View