Ameni Rebhi

3 Questions 3 Answers 0 Followers

Questions related from Ameni Rebhi

Why Hall Coefficient vary from positive to negative randomly for the same sample at same condition ?

We use ECOPIA Hall Effect measurement system (Model no. HMS-5300 + AMP55T magnet) in our lab. I am trying to determine the carrier concentration and mobility of PbS thin films. I have made...

02 February 2020 5,123 4 View

Which wavelength's laser in Raman Spectrometer should be used for the characterization of PbS nanoparticles ?

Hello, i want to characterize Lead chalcogenide nanoparticles (PbS NPs) using Raman Spectroscopy. I would like to know what should be the wavelength of Laser in that Raman spectrometer for...

10 October 2019 6,388 3 View

What is the most suitable excitation wavelength for performing Raman spectroscopy on PbS nanoparticles?

Hello, I am to perform Raman spectroscopy on PbS nanoparticles . Although I have found a few existing literature performing Raman on PbS with 632.8 nm excitation , there are several other...

10 October 2019 2,929 4 View