Table 1.

Activation energies (in eV) of dc current density and carrier mobility for reference LDPE and its nanocomposites.

Materials	Derived from Current Density	Derived from Charge Mobility
LDPE	0.85	0.56
LDPE/Al2O3 3 wt %	0.43	0.42
LDPE/MgO 3 wt %	0.35	0.17