The vacancy - defect properties were measured by slow positron annihilation, and mechanical behaviors were studied using nanoindentation.

借助慢正电子湮没技术分析了样品的缺陷性质,采用纳米压痕仪研究了多层膜的力学性能.

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In addition, how the motion of screw dislocation is affected by a vacancy defect is investigated.

在此基础上进一步研究晶体内的空位缺陷对螺位错运动的影响.

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