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The Stark widths of ten Si III and seven Si IV spectral lines have been measured for the electron density range of 1.4*1023 m-3-3.0*1023 m-3 and for an electron temperature range of 29000-64000 K in a pulsed linear arc plasma discharge in O2 and SF6. Experimental values of Stark widths for ionized silicon spectral lines follow a simple dependence on the upper level ionization potential of the transition.
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Djeniže et al. (1992) studied this question.
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