20 Questions 21 Answers 0 Followers
Questions related from Sandip Paul Choudhury
Dear All, I am searching for XPS characterization of my four samples as suggested by reviewer. I am located in India and would really appreciate if any of you can help me with this. I have no...
last month 679 0 View
What should be the quantum espresso code for the input file for plotting planar average charge density difference? In the attached paper the graph is in page 12, figure 9. But I want to know what...
03 January 2024 2,533 0 View
Normally for ZnO, ibrav = 4 (i.e hexagonal). Now I want to perform gas sensing studies. So I create a vacuum of 10A in nanolabo where the atoms are placed. The ibrav now changes to 12 (i.e...
13 September 2023 3,239 0 View
I have quantum dots suspended in a solution. I am interested in decorating/doping a metal oxide like SnO2, ZnO etc with those quantum dots. What are the possible ways to achieve it without...
21 June 2018 4,891 5 View
Dear Sir/Mam/Colleague, I am interested in designing a circuit for FPV wireless camera system without the use of WiFi range of 2.4 GHz. Kindly suggest me the possibilities. And the use of the...
13 March 2018 9,605 3 View
Dear Sir/Mam, Recently I have completed my PhD in Physics (SnO2 as a gas sensor). Now I need to write some project. I plan to work further in the field of gas sensing. Offcourse, I understand that...
23 May 2017 6,483 2 View
I have doped SnO2 with Fe and Cu. The XPS data shows both Cu and Sn peaks but Fe peaks are not present. Does it imply that the sample was not doped with Fe or there can be other reason for the...
08 December 2016 1,255 9 View
The peak shifting for PL is about 2 eV compared to bulk ZnO. What can be the possible reason?
15 July 2016 8,649 4 View
Anyone with an explanation for why we carry out Fourier Transform. Its physical meaning and importance.
26 April 2016 7,634 9 View
I wanna carry out rietveld analysis of Bi2Te3 and used the CIF file but High score gives the message "space group not available or invalid".
11 February 2016 5,052 4 View
Which peak do I use for calculating the crystallite size using Scherrer Equation? The input i.e fwhm and theta values is from one selected peak or its an average from all the prominent peaks?...
24 December 2015 5,360 5 View
Can tin chloride be doped by zinc chloride and ferrous chloride?
21 September 2015 8,651 3 View
Can Tin oxide be doped with CdS/CdTe/CdSe. If so how? I did not find much literature on it. Thanks and regards
10 September 2015 7,737 0 View
Along x-axis temperature. And along y-axis the sensing response. What formula should I employ for the y-axis plot?
05 May 2015 2,829 18 View
I aim to deposit Sno2 thin film on ITO substrate using spray pyrolysis. What are the vital points I should take into consideration?
03 March 2015 2,444 10 View
I have the leverage for the use of a Impedance Analyser and a tube furnace. I plan to setup a system for gas sensing using thin films. The gases of my interest to be sensed will be methanol,...
13 January 2015 5,873 1 View
What information can I extract from AFM? Also please let me know how I can extract that info from an AFM image.
25 April 2014 9,349 7 View
If I get a very low peak intensity in the UV-Vis data what does it signify? What does a plateau and just a normal peak signify in UV-Vis? If I get an appreciable data in the negative range of...
15 April 2014 9,249 18 View
How to dope a sample with the colloidal absorption method? What are the methods that can be used to dope a sample. Say I have a ZnO sample and I want to dope it with Ruthenium 1wt%. Could someone...
23 July 2013 5,579 0 View
Say I have SnCl2.2H2O n wanna dope it with NiCl2.2H20
16 July 2013 6,097 2 View
