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Questions related from Abdul Ghafar Wattoo
Hello everyone,Can anyone please suggest me any ceramic material (Alloy) having high reflection in the UV-Vis-NIR regions? We want to deposit highly reflecting ceramic coatings by Magnetron...
03 March 2017 7,577 14 View
I have deposited TiAlN coatings by magnetron sputtering of various thicknesses. The color of the coatings is changed with change in thickness, what is the reason, please?
04 April 2016 8,117 8 View
1. Is it possible to find that whether the material is Direct or Indirect bandgap semiconductor from PL spectra? 2. What other information, we can get from PL spectra? THANKS
09 September 2015 1,701 9 View
I have done UV-Vis experiment at Perkin-Elmer 950 UV-Vis spectrometer, and obtained reflectance data. Thickness of the powder sample (pellet) is more than 4 mm, can I assume T=0 and R+A=1 for...
05 May 2015 354 2 View
I am working on absorption films, how can I overcome reflection in Ti/SiO2 coating?
01 January 2015 5,462 24 View
I have data of reflecatnce and transmittance. Direct band gap energy can be calculated by plotting Photon energy (hv) versus square of absorption coefficient*photon energy and then drawing a...
01 January 2015 6,617 8 View
Which material has the maximum absorption in the UV and near IR region? Is there any material that has maximum absorbance from 200 to 600 nm?
11 November 2014 9,119 8 View