21 Questions 18 Answers 0 Followers
Questions related from Chetan Singh
How epitaxial thin films are characterized by XRD and what is the role of phi and omega scan in it?
29 June 2022 4,622 0 View
What is the role of different layers in YBCO based high temperature superconducting tapes?
05 June 2022 5,862 2 View
What is the mechanism of phase transformation of methyl ammonium lead iodide crystal from tetragonal to cubic at 60C?
20 December 2018 2,892 0 View
Is there any process by which one can form Sol gel nickel oxide films at lower temperature (less than 200 to 250C) ?
03 December 2018 8,763 3 View
How one can measure zinc interstitial concentration quantitatively in ZnO films?
01 February 2018 8,498 2 View
Defects such as cation interstitial and oxygen vacancies affects electrical resistivity in ZnO films so which one has more pronounced effect on electrical properties in ZnO.
03 June 2016 3,297 5 View
What is the exact position of Al, when one dope Al in ZnO
05 April 2016 1,313 4 View
Zinc Interstitial forms a defect near conduction band of ZnO and generally oxygen vacancy forms a deep level defect. So its it possible that generation of Zinc interstitial enhances the...
16 October 2015 1,148 1 View
Generally increase of thickness leads to decrease of electrical resistivity but sometimes it starts to increase. What would be possible mechanism behind this?
16 June 2015 1,377 5 View
It seems that some part of the sample is conducting more than others. What could be the reasons? Is it due to grain and grain boundary
12 June 2015 8,958 6 View
In Case of Scanning tunneling spectra of ZnO film, we got peak near fermi level means peak near by 0 V so what would be the origin of these peaks.
15 May 2015 4,127 1 View
For determination of chemical composition of al doped zno films on glass substrate which characterization technique will be suitable.
30 March 2015 6,879 6 View
at high temperature (350-400C) is it possible residual argon can etch away the film in chamber
21 February 2015 196 4 View
I want to correlate band gap values got from two technique 1) Tauc plot which will give overall band gap 2) Scanning tunneling spectra (STS) or Scanning tunneling microscopy
24 September 2014 7,763 3 View
I want to compare band gap values obtained from tauc plot and scanning tunneling spectra.
12 September 2014 1,135 3 View
I want to calculate surface potential of ZnO films grown on Glass substrate from SKPFM. I took a image in SKPFM mode with Pt-ir probe in AFM.
01 July 2014 9,338 2 View
I am planning to synthesize Nano-dots by RF sputtering of zinc oxide on glass substrate.
12 June 2014 919 2 View
I am getting continuous decreasing spectra in the UV Visible region.
09 April 2014 6,182 3 View
Chemical bath deposition can form SnS, SnS2 ans Sn2S3 compounds.
29 January 2014 7,011 4 View
I have Ψ (amplitude ratio) and Δ (change in phase) data as function of wavelength. I want to analyze optical properties of films.
10 January 2014 7,271 6 View
Colour of tin monosulfide is dark brown but when I make tin monosulfide with chemical technique using tin chloride dihydrate and thioacetamide and TEA at room temperature, colour of precipitate...
09 September 2013 2,740 0 View
