4-T_vacuum 2-T_vacuum Current(A) Voltage(V) Current(A) Voltage(V) -4E-9 -0.00536 2.30805E-10 0.909 -3.5E-9 -0.00438 1.62237E-10 0.707 -3E-9 -0.00364 1.01402E-10 0.505 -2.5E-9 -0.00311 4.51438E-11 0.303 -2E-9 -0.00253 5.3969E-12 0.101 -1.5E-9 -0.00197 8.87717E-12 -0.101 -1E-9 -0.00157 -3.75097E-11 -0.303 -5E-10 -0.00125 -4.62635E-11 -0.505 0 -6.51E-4 -1.13623E-10 -0.707 0 -5E-4 -1.03979E-10 -0.909 5E-10 3.3E-4 1E-9 6.91E-4 1.5E-9 0.00136 2E-9 0.00224 2.5E-9 0.00295 3E-9 0.00384 3.5E-9 0.00484 4E-9 0.00585