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(a) Real permittivity, (b) imaginary permittivity, (c) real permeability, (d) imaginary permeability of the mixture of BaTiO3 nanotubes and paraffin wax with different weight fraction, (e) RL for BaTiO3–paraffin composite sample vs frequency for a sample thickness of 2 mm. Reprinted from ref (45). Copyright 2012 American Chemical Society.
