What is the formation mechanism of mosaic crystals?

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

How to know the b axis of a single crystal?

How to apply magnetic field parallel to b axis of any crystal

29 July 2024 4,083 2 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Why my gel electrophoresis has smearing?

Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...

22 July 2024 9,761 5 View

Is it possible to run the AIMD within a system using virtual crystal approximation (VCA)?

I want to study the thermal properties of a mixed system which is constructed by virtual crystal approximation in VASP. When I try to run the ab initio Molecular Dynamics of this system in VASP, I...

19 July 2024 6,569 3 View

What is the angular difference between two sets of Euler Angles?

Let's say I rotate a hexagonal crystal using Euler angles (φ1, φ2, φ3); and rotate another similar crystal using Euler angles (ψ1, ψ2, ψ3). What would be the angular difference between the final...

17 July 2024 5,582 1 View

How we can make this(as in figure) type of crystal structure (any software)?

I want to make this type of structure. Can anybody recommend the application for this?

15 July 2024 5,864 2 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

How long takes to a batholith to crystallize?

How long would it take for a 'normal' granitic batholith to crystallize? Are there any calculations on it?

12 July 2024 7,436 0 View