  In this paper, liner - fuel mass diffusion and the effect of the liner
material on mass ablation, energy and magnetic flux losses are studied in a
MagLIF fusion-like plasma. The analysis performed in [Garc\'ia-Rubio and Sanz,
Phys. Plasmas 24, 072710 (2017)] is extended to liner materials of an arbitrary
atomic number. The liner ablates and penetrates into the hot spot, compressing
and cooling down the fuel. The magnetic flux in the fuel is lost by Nernst
convection through the ablated liner - fuel interface, called ablated border.
Increasing the liner atomic number leads to a reduction of both energy and
magnetic flux losses in the fuel for a small and moderate magnetization values.
Mass diffusion is confined within a thin layer at the ablated border.
Concentration gradient and baro-diffusion are the predominant mechanisms
leading to liner - fuel mixing. The width of the diffusion layer may be
comparable to the turbulent mixing layer resulting from the Rayleigh-Taylor
instability at the ablated border. An asymptotic analysis performed for large
liner atomic number Z_{2} shows that mass ablation, energy and magnetic flux
losses and liner - fuel mass diffusion scale as 1/\sqrt{Z_{2}}.
