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Questions related from Rana Hossain
From spectroscopic results it has been seen that Half-Metallic compounds may have optical band gap. Band structures of Half-Metals are overlapped by majority (or minority) spin channel. Now how...
12 December 2017 4,555 4 View
Hello I have performed Rietveld refinement of my sample and calculate band gap from UV-Vis spectra. I am interested to calculate electronic structure by DFT to compare my experimental band gap....
30 November 2017 7,294 15 View
There are many from of Kubelka-Munk function I have found in literature: 1. F= (1-R)2/2R 2. F= (1-R2)/2R 3. F(hv)= (1-R(hv))2/2R(hv) Again to calculate direct band gap some used (Fhv)2 where some...
11 October 2017 2,764 5 View
DearAllI have attache 3 figures of band structure of a Ferro-magnetic material. The difference between VBM-CBM band gap is 1.10 where VBM is for spin down (alpha) electron and CBM for spin up...
14 September 2017 2,928 8 View
How can I explain optical band gap from electronic band structure? My calculated Electronic band gap (1.3 eV) is different from optical band gap (2.1eV). I have seen in some literatures where they...
08 September 2017 569 5 View