This paper presents results of measurements of the electron energy distribution function (EEDF) in the range M O eV and the electron density for the helium plasma of a high-voltage discharge (HVD) in a hollow cathode as used for He-inert gas and He-metal lasers. The EEDF has been measured employing the method of the second derivative of the electric probe current-voltage characteristic. The results show that the shape of the EEDF for the HVD in the hollow cathode is similar to that for the conventional transverse hollowcathode discharge (HCD) operating at low voltage. However, the increase of the operating voltage in the hollow cathode results in energetic redistribution of electrons and a selective change of the efficiency of atomic processes. It appears then that the relative number of electrons within the energy interval from several eV to 20 eV is lower in the HVD than in the conventional HCD. This is believed to be the result of the lower efficiency of the excitation of metastable states of helium in the HVD. Above the energy of 35 eV the relative number of electrons in the HVD is higher than that in the conventional HCD. Thus ionisation seems to be one of the most favoured atomic processes in the HVD.
In a subhalfmicron MOSFET, a source/drain junction depth approaches to 0.lpm. Consequently, source/drain resistance increases to restrict a drivability of MOSFET.
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