Additional data supporting manuscript from Ferromagnetically filled carbon nano-onions: the key role of sulfur in dimensional, structural and electric control

This document contains details on the sample characterization together with additional figures supporting the findings presented in the manuscript. Note, this section includes supplementary statistical analyses together with additional structural (XRD), magnetic (ZFC/FC), Optical (UV), morphological (TEM) and compositional (STEM and EDX) measurements respectively.