I have epitaxial Graphene samples. I have the Raman spectra of the two faces of the sample. I’m wandering how to determi the SiC crystal face and phase using Raman spectroscopy.
what factors affect an epitaxial film's lattice matching and dislocation densities? Are there any possible ways to reduce lattice mismatch and dislocations in various deposition techniques?
10 November 2019 9,343 3 View
what is the difference between fluorescence and luminescence background in Raman spectra? What kind of materials give fluorescence background and what kind of materials give luminescence background?
06 July 2019 1,905 2 View
Cu2O and CuO are direct and indirect band gap materials respectively. We deposited a film that shows the Raman signatures of both CuO and Cu2O, what will be their band gap, direct or indirect?
05 June 2019 3,222 3 View
I have CVD graphene transferred to substrates. I am interested in p and n-doping of graphene. Are there any simple, easy and controllable methods of doping graphene films?
04 May 2019 1,269 9 View
Sometimes, we can observe the IR-active and Raman-inactive modes in Raman spectra. What are the reasons behind the Raman activity of such modes?
04 May 2019 7,364 5 View
We tried two different temperature dependent Raman set ups for our study. Every time we do temperature dependent Raman spectroscopy for a sample, the Raman signal is lost or quenched at some...
04 May 2019 3,759 8 View
what are the most temperature sensitive materials? Are there any materials that respond quickly to the abrupt temperature variations? I am interested in thin films mainly. I want find some...
03 April 2019 8,529 3 View
Its a photodetector.
03 April 2019 9,693 5 View
We have a pulsed laser source, and I have fabricated graphene based photodetectors, I want to study the IV characteristics and photoresponse of the devices. We don;t have a power meter, we have a...
03 April 2019 2,886 5 View
I want to observe the surface of a sample in situ at different temperatures. Is it possible to take surface images at a particular temperature (mainly cryogenic temperatures)? If not, what in situ...
03 April 2019 5,173 11 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View
Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...
01 March 2021 1,907 3 View
I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...
01 March 2021 5,475 2 View
In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...
01 March 2021 2,207 3 View
Incompletely cross-linked pdms are difficult to remove.
01 March 2021 798 3 View
I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...
26 February 2021 9,580 4 View
Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...
26 February 2021 10,014 3 View
Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...
25 February 2021 3,292 3 View
Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....
24 February 2021 5,383 5 View
How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?
23 February 2021 3,053 7 View