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density of defects中文是什么意思

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用"density of defects"造句"density of defects"怎么读"density of defects" in a sentence

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  • 缺陷密度

例句与用法

  • The 0 - 15kev energy slow - positron beam was used to measure the dopple broadening in sio2 / sic . both the s and w parameters clearly showed that the density of defect in sio2 layer had decreased after annealing in n2
    利用0 - 15kev的慢正电子多谱勒能量展宽测试sio _ 2 sic的缺陷情况,发现不管是n型还是p型,氧化层附近其s参数经过n _ 2退火明显减小, w参数在这个部位增大。
  • Finally , a novel structure of “ amorphous - polycrystalline / nanocrystalline ” , ( si / ge ) xzno thin films , has been fabricated successfully by combing magnetron sputtering and thermal annealing technologies . features of film morphology , interfaces , microstructure , crystallization behaviors and optical properties have been investigated , which illustrates that nanocrystals of ge has direct energy band gap in our experiment , and si - based multilayers with broad wavelength absorption of visible light , high intersity of photoluminescence and low density of defect recombination centers has been developed . it is of great significance for its applications in photovoltaic and optoelectronic aeras
    最终,对磁控溅射技术和气氛热处理工艺相结合的方法制备出的“非晶-多晶/纳米晶”结构的( si / ge ) xzno薄膜的表面,界面,微观组织结构,结晶特征,光吸收性能和光致发光特征进行了研究,证明了此条件下ge纳米晶已经具备了直接带隙材料的特征,并研制出具有宽吸收带、高发光强度和低缺陷复合中心密度的新型si基多层结构薄膜。
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