Table 1. Discharge Properties of the Plasma alone and Plasma + Packing Systems^a.

packing	Ec (kV/cm)	E/Nc (Td)	Eec (eV)	λDc (μm)
no packingb	28.3 ± 0.8	118.8 ± 3	4.8 ± 0.2	16.5 ± 0.2
MCM-41	37.9 ± 0.2	159.0 ± 8	5.9 ± 0.3	19.7 ± 0.7
Ni/MCM-in	38.5 ± 0.2	161.5 ± 7	6.0 ± 0.2	20.1 ± 0.3
Ni/MCM-out	39.6 ± 0.2	166.3 ± 7	6.1 ± 0.2	20.5 ± 0.4

^aAll experiments were performed at SEI = 24 kJ/L.

^bThe plasma alone.

^cCalculations of the average electric field (E), reduced electric field (E/N), mean electron energy (E_e), and Debye length (λ_D) are described in the Supporting Information.