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Questions related to XRD Analysis
Hello, I'd like to analyze a copper catalyst dispersed on a carbon GDL. The thickness of the sample is about 200-250 microns. Does anyone developed a method for analyzing this kind of samples....
13 June 2019 1,870 3 View
I use this program for Rietveld Refinement. My operational system is the latest Ubuntu. I'm just getting the output of the refinement directly in my terminal. Appreciate any help.
20 May 2019 3,584 4 View
Some papers have reported that the 0D strucuture of this compuound is monoclinic at room temperature instead of orthorhombic, but no one details about atomic positions, space groups or even...
06 May 2019 3,516 8 View
I have tried to change the structure from CUR to CP. I know XRD is not mandatory here but since I did I would like to analyze the result. A very simple explanation will also be highly appreciated....
27 April 2019 5,660 7 View
why use beryllium window in xrd tube ?
24 April 2019 6,512 1 View
I understand that the count of each element indicated the presence of the element in that particular energy arises from dislocation of electron, but what does the increasing number of keV in EDX...
18 April 2019 8,834 4 View
Recently I used improved Hummer's method to synthesize Graphene Oxide. Then I analysed it with XRD, but beside ~10 degree peak of GO, the was high intensity before the peak that should be straight...
25 February 2019 395 2 View
The sample contains Ni, Ti, Sn. I cannot identify the pics at 31°, 32.4 and 45.3°. in attachment the xrd pattern Best regards
31 January 2019 5,719 9 View
After the thermal treatment of agricultural waste, the char obtained was analysed by XRD. A diffraction peak appears at 2thetha= 22degrees. How can it be concluded if it is silica or cellulose peak?
23 January 2019 2,124 3 View
The sample is an intermediate product in the synthesis of CuO-doped TiO2 catalyst. Ethanoic acid is added and it reacts with copper nitrate to produce copper(II)acetate. A gel is prepared with sol...
16 January 2019 7,097 7 View
During XRD analyses of oriented clay mounts, a number of peaks which are NOT typical of expandable clay minerals have been observed on XRD patterns of EG solvated ones. Ethylene Gycol was provided...
09 January 2019 7,003 1 View
I have andesite source of road aggregates. I did XRD test on bulk powder and oriented samples ((1) air dried, (2) treated with ethylene glycol at 60oC, and (3) heat-treated at 550 oC for 45...
18 December 2018 9,453 2 View
XRD operator provide me only peak lists: 2 theta values, FWHM and d-values. Could anyone suggest me the way of analysis these results?
01 December 2018 3,859 12 View
I am using the fullprof software to analyze my diamond-SiC samples. I have identified most of my peaks and determined that I definitely have peaks from Cu k-beta, specifically at a 2 theta of 32....
17 November 2018 7,858 4 View
Hi everyone. I am studying the precipitate output at 4 pH levels, and got the stacked diffractometers in attachment. My question is, can I say from the image higher counts for the same peak...
06 November 2018 8,036 5 View
What is the best algorithm or technique for tracking small objects in virtual environments. Best in the sense of tracking resolution, latency, and cost.
30 October 2018 9,410 3 View
Recently, I have synthesized a MOF with zinc and a protein ligand which has monoclinic unit cell. Then, graphene oxide was added to MOF to explore its effect on the structure of MOF which caused...
21 September 2018 382 3 View
I have refined sample ( layered structure) by using fullprof. I would like to see the stacking faults. How to get the input file for the Diffax program which is already inbuilt in fullprof.
19 September 2018 6,161 2 View
Mn has greater ionic radii than Mg ion and if Mn replace Mg ,shifting should be towards lower angle; but in my case peaks are shifted toward greater angle. Then in 2% Mn doped peaks shift to...
17 September 2018 3,540 2 View
Hello I'm trying to quantify amorphous phases using Rietveld refinement internal standard method for my geopolymers samples but I'm trying firstly to validate the strategy by a mixtures of 3...
28 August 2018 7,860 3 View
I am growing crystals of an air/moisture sensitive compound in a glove box. During the sample preparation for single-crystal XRD crystals will be crushed upon removal from the glass...
11 August 2018 9,566 2 View
I have synthesized a new materials Sr5(VO4)3I2 but I don't have any reference to prove that this is the right materials. Only I have found relatively close materials is Sr5(VO4)3Cl. So my question...
15 July 2018 2,783 6 View
I analyzed my ZnO samples using XRD analysis. And I got several peaks (100), (002), (101), (102), (110), (103), (200), (112), and (201). Which peak is responsible for its photo-catalytic activity...
03 July 2018 654 10 View
I am comparing crystallite size and strain using Scherrer and Williamson hall method.But I have doubt in mind whether the value of FWHM I am using is correct. The Bragg peak width is a...
06 June 2018 7,277 12 View