( ii ) charging effects on temporal and spatial evolution of dusty plasma sheath in plasma source ion implantation . the temporal and spatial evolution of a dusty plasma sheath in plasma source ion implantation has been investigated with a fluid theory and a self - consistent dust - charging model . a negative potential pulse is introduced to form the plasma sheath ( )尘埃粒子的充电效应对等离子体源离子注入( ps )鞘层时空演化的影响采用流体模型及自洽的尘埃粒子充电模型,我们研究了等离子体源离子注入时的尘埃等离子体鞘层的时空演化。