**Ionization** ============== .. py:currentmodule:: symplyphysics.condensed_matter.ionization **Contents:** .. toctree:: :maxdepth: 4 condensed_matter.ionization.ionization_cross_section_of_atom_by_electron_per_granovsky condensed_matter.ionization.ionization_cross_section_of_atom_by_electron_per_lotz_drevin condensed_matter.ionization.volumetric_ionization_coefficient_of_neutral_particles_by_electrons