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On the difference between breakdown and quench voltages of argon plasma and its relation to 4<i>p</i>โ4<i>s</i> atomic state transitions
Using a relaxation oscillator circuit, breakdown (VBD) and quench (VQ) voltages of a DC discharge microplasma between two needle probes are measured. High resolution modified Paschen curves are obtained for argon microplasmas including a quench voltage curve representing the voltage at which the plasma turns off. It is shown that โฆ