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Questions related from G. Vignesh
Dear frnds, From my point of view SSB is happening due to following reasons in double quantum wells. 1. Due to variational technique 2. symmetry in envelop function and...
10 October 2019 8,006 2 View
Band gap re-normalization dynamics in nanostructures would induce lot of activities as we study interaction of 2D layer with light. Its understanding needs some clarity as below: 1. Which...
04 April 2019 3,919 5 View
Mott-Wannier excitons are formed in a semiconductor material as a result of light-matter interactions. However, their delocalizing properties inside the crystal induce screening effects in their...
02 February 2019 2,420 1 View
I often read about band-gap re-normalization in excitonic states contained in nanostructures. Please elaborate this effect and its significance.
05 May 2018 6,081 0 View
GQDs are synthesized from GO using ammonia solution.After hydrothermal treatment the solution was filtered using 0.22 micrometer membrane. Finally to obtained GQDs as a supernatant liquid. Can...
05 May 2017 1,155 0 View
GQDs synthesized from GO using ammonia solution in hydro-thermal method. After the hydro-thermal treatment the black precipitate is washed with DD. Is the final product needs any drying process?...
05 May 2017 7,398 11 View
Quantum Rings are an ideal nanostructure where its subbands are peculiar in nature. It shows higher binding energy than the effective Rydberg at bulk limit. A contrasting behavior than the...
03 March 2016 4,356 1 View
any body
09 September 2015 2,900 0 View
ncc=(1+ (Rs/Rct))-1 What is the effective way to account this property?
01 January 1970 8,163 1 View
