This program is designed to give the lattice constants for a 3D crystal lattice or a 2D system, such as graphene (in development).
Authors: Geoffrey R. Weal and Dr. Anna L. Garden (University of Otago, Dunedin, New Zealand)
Group page: https://blogs.otago.ac.nz/annagarden/
LatticeFinder is designed to give you the optimum lattice constants for a 3D system.
If you are new to the LatticeFinder program, it is recommended try it out by running LatticeFinder live on our interactive Jupyter+Binder page before you download it. On Jupyter+Binder, you can play around with the LatticeFinder program on the web. You do not need to install anything to try LatticeFinder out on Jupyter+Binder.
Click the Binder button below to try LatticeFinder out on the web! (The Binder page may load quickly or may take 1 or 2 minutes to load)
Have fun!
It is recommended to read the installation page before using the LatticeFinder program.
latticefinder.readthedocs.io/en/latest/Installation.html
Note that you can install LatticeFinder through pip3 and conda.
The LatticeFinder program is designed to give the information that you can use to determine the optimise value of the lattice constant for your system. For example, for a Au face centred cubic (FCC) lattice you can first perform an broad overlook of the energy per atom for various lattice constants.
You can then add more lattice constant measurements around the point where you believe the lowest energy form of the Au FCC lattice resides
The data of the energies of all FCC lattices for various lattice constants are also given, as well as other final details about the optimum system, such as the stress tensor and bulk modulus.
Symbol: Au
Lattice_type: FaceCenteredCubic
calculator: <asap.RGL object at 0x0x2fcab40>
size: (16, 16, 16)
directions: []
miller: []
Lattice Constant Parameters: ['c']
Properties of System:
Total energy: -62721.105237252974 eV
No. of atoms: 16384 Atoms (Note the number of atoms along each natural direction of the bulk is (16, 16, 16))
Cohesive energy: -3.8281924583284286 eV/Atom
Total Volume: 275741.9107614719 Angstroms^3
Volume per atom: 16.829950607999994 Angstroms^3/Atom
Stress tensor:
[[-3.97161678e-04 1.47073761e-19 4.09156132e-19]
[ 1.47073761e-19 -3.97161678e-04 1.36259282e-19]
[ 4.09156132e-19 1.36259282e-19 -3.97161678e-04]]
Bulk Modulus: 184.94027058847462 GPa
This program is designed to help obtain the optimal lattice constants for systems that contain more than one lattice constant. For example, for a Au hexagonal close packed (HCP) you will obtain the following plots:
All the information about this program is found online at latticefinder.readthedocs.io/en/latest/. Click the button below to also see the documentation:
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| License | |
| Authors | Geoffrey R. Weal, Dr. Anna L. Garden |
| Group Website | https://blogs.otago.ac.nz/annagarden/ |
FAQs
This program is designed to give the lattice constants for a 3D crystal lattice or a 2D system, such as graphene (in development).
We found that LatticeFinder demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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