Bouzourâa Montassar Billeh

4 Questions 15 Answers 0 Followers

Questions related from Bouzourâa Montassar Billeh

How much the thickness layer to deposit on the top of layer non conductive "polymer and silver" to enhance the contrast of SEM image?

Hi, We have performed SEM images of a polymer layer with silver nanoparticles. But, the images were blurred because the surface was not conducted. So , I ask who is familiarized with SEM...

23 February 2023 7,393 4 View

Why the TiO2 band-gap energy decreases with high N doping percent?

Hi, I found that the TiO2 band-gap energy is influenced at high N doping percent. What's the physical explanation? Has there been a physical phenomenon which explains this effect? Increasing the...

14 February 2018 9,467 2 View

Why the dielectric constants at high photon energy in the case of ZnO decrease with temperature ?

Whats the explanation of the decrease of the dielectric constant at high energy of ZnO with temperature?

26 August 2017 4,168 2 View

In the case of Photoluminescence in UV range, why the ZnO excitonic peaks intensity decrease with temperatures ?

It's known that the ZnO free and bound excitonic peaks decrease with temperatrures. What's the physical explain? Thanks for your response !!! M.-B. Bouzourâa

05 July 2017 5,639 2 View