Questions tagged [electron-diffraction]

Questions about electron diffraction in materials.

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8 votes
1 answer

What are open source options to simulate kinematical electron diffraction patterns?

I tried using the python package diffsims. I get an image, but not a diffraction pattern I was expecting. ...
Anya's user avatar
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7 votes
0 answers

Convert standard image file format to py4DSTEM datacube? [closed]

I want to analyze a diffraction pattern. Py4dSTEM is asking for a datacube to start with. I thought it might be able to convert an image to this format: ...
user3679's user avatar
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14 votes
1 answer

How do I know if the reconstruction in the picture is a 2x2 reconstruction?

How do I know if the reconstruction in the picture is a 2x2 reconstruction or not?                                     I believe that this corresponds to a 2x2 reconstruction because there's an even ...
user7077252's user avatar
14 votes
1 answer

Analytical expression for an atomic lattice "muffin-tin" potential for purposes of illustration and simple scattering calculations

Before taking the deep dive (see linked questions below) into calculating the diffraction of 20 to 200 eV electrons from crystal surfaces, I'd like to generate a simple "muffin-tin potential"...
uhoh's user avatar
  • 1,894
9 votes
0 answers

Have FDTD methods made inroads into dynamical simulation of electron and/or X-ray scattering by crystals?

I'm afraid this question might be too basic or too naive or both, but here goes! For optical diffraction by periodic nano-structures (gratings, semiconductor manufacturing metrology) the rigorous ...
uhoh's user avatar
  • 1,894
11 votes
1 answer

Simulated low energy electron diffraction (LEED) patterns

What modern software supports the generation of LEED patterns? It seems most LEED simulation packages are quite old and do not work on modern hardware. Is there something that prevents common ...
Tristan Maxson's user avatar
12 votes
1 answer

Overview of how self-consistent dynamical low-energy electron diffraction simulations are performed

A technique for deducing arrangements of atoms on crystal surfaces is Low Energy Electron Diffraction or LEED. For a flat crystal surface aligned to a low-order plane with perhaps a 2D periodic ...
uhoh's user avatar
  • 1,894