any body
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...
09 October 2019 8,038 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...
03 April 2019 3,955 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...
01 February 2019 2,461 1 View
I often read about band-gap re-normalization in excitonic states contained in nanostructures. Please elaborate this effect and its significance.
04 May 2018 6,130 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...
04 May 2017 1,212 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?...
04 May 2017 7,444 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...
02 March 2016 4,390 1 View
ncc=(1+ (Rs/Rct))-1 What is the effective way to account this property?
01 January 1970 8,217 1 View
Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...
30 July 2024 8,339 2 View
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
Suppose a material "A" has both tetrahedral and octahedral sites and we are doping another material "B" - usually an ion into it. How can we detect if the dopant has occupied the octahedral site...
17 July 2024 4,299 4 View
could Nd (Neodimyum) doping into TiO2 because Nd's dense diameters are bigger than in TiO2
11 July 2024 2,350 2 View
I am getting trouble in studying the effect of channel doping variation in forksheet structure for p and nmos.
08 July 2024 2,074 0 View
Dear Prof, is there a subtle distinction between the terms "substitution" and "doping" when referring to modifying ceramic dielectric materials for example Na0.5Bi0.5TiO3? Is there any difference...
08 July 2024 2,043 3 View
this is related to Eu doped vanadate based nanophosphor
06 July 2024 2,865 2 View
Hi Dear All I would like to simulate a mode locked semiconductor laser. Does anyone know what is the best software to do it?
06 July 2024 1,648 4 View
The material is SiGe
03 July 2024 1,374 0 View
I prepare Mg doped Hydroxyapatite by wet preipitation but (Ca + Mg)/P ratio is higher than 1,82. CaO peak cannot be detected in XRD spectrum
23 June 2024 8,970 19 View