15 Questions 28 Answers 0 Followers
Questions related from Xu Mingquan
Hi, I have a crystal model wiht grain boundary, and want to map out the strain distribution like the attached snapshot. Is there any software can do this?
16 July 2025 155 1 View
Hi, all, What does the 'N' mean, seeing the snapshot? The 'N" parameter in Diffraction Data in Crystal Diffract software.
29 August 2022 5,799 1 View
What is The tomographic projection requirement? When I read some articles about ET (electron tomography), I was told that "a monotonic measurement of some property of the sampled volume in every...
20 November 2019 7,989 1 View
For the cold field-emission electron gun, the energy distribution of the primary beam captured in an EELS CCD presents an asymmetry characteristic. What causes this and are there any references?
23 September 2019 8,793 4 View
Hi, researchers, I am studying a complicated structure and its electron diffraction has some confusing features. There are often weak spots emerging in the SAED patterns and some articles think it...
28 April 2018 4,532 7 View
Hi, researchers, Recently, I want to use softwares to simulate S/TEM images, but encounter some problems when building the crystal structure.This software considers the beam direction is always...
07 February 2018 7,003 3 View
Hi, researchers, I confronted some difficulty in understanding the convergence semi-angle on the condition of over-focus. The convergence angle in the condition of focus like that Fig.1 shows....
30 October 2017 5,273 2 View
Hi, researchers, recently I refined a structure using FullProf, the result seems weird. The Chi2 is much close to 1, namely 1.33, while the Rwp is still high as 14.6, as the attached Fig1....
04 September 2017 8,697 12 View
Hi, researchers, I want to characterize the partially de-lithiated cathode. Are they sensitive to the oxygen or water in the atmosphere? Should I store the materials under the inert condition,...
10 August 2017 2,160 13 View
Hi, researchers, In the book about TEM, it is mentioned there are two kinds of angle, the incident angle and the convergence angle. the former is that between the normal of a specimen plane and...
01 August 2017 8,466 8 View
Hi, Researchers, Recently, I am learning a tutorial of the Rietveld refinement online. It says that the structure factor of P42/mnm TiO2 can be expressed as the plot1 shows, the A factor. I want...
30 May 2017 3,554 7 View
Hi, researchers. Recently, I refine the Li-rich layered structure via FullProf, but the intensity of the frist peak of the pattern can not be refined well, as the Fig. I attached. the procedure of...
13 April 2017 9,405 4 View
For layered cathodes in Li-ion batteries, such as LiCoO2, it is considered that they have the structure of R-3m space group. In some articles, it is represented that Li ions occupy at 3a sites and...
27 January 2017 7,952 7 View
I want know about the TG/DSC results of P123 in inert atmosphere. Are there any references?
25 June 2014 9,805 2 View
I want to know the solubility of lithium acetate and manganese acetate in alcohol or other inorganic salt's solubility in alcohol. Where could I find out this information?
19 June 2014 5,003 1 View
