CFcal is a Python package for performing calculations of crystal field (CF) properties of rare earth ions using the Stevens Operator formalism [K. W. H. Stevens, Proc. Phys. Soc. A 65, 209 (1952)]. Once the CF parameters have been initialized, the CF Hamiltonian can be diagonalized to determine the energies and wavefunctions of all the CF levels. These can be used to determine the magnetic susceptibility and neutron scattering spectra as a function of temperature.
The latest version of CFcal can be downloaded from the CFcal Git repository.
From within the main directory, you can install CFcal using:
$ python setup.py install
or
$ pip install ./
To install in an alternate location, use:
$ python setup.py install --prefix=/path/to/installation/dir