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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Field-emission characteristics of conical boron nitride nanorods
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Field-emission characteristics of conical boron nitride nanorods

机译:锥形氮化硼纳米棒的场发射特性

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We present the electron field-emission (FE) characteristics of conical boron nitride nanorods grown on a (100) n-type silicon substrate. The emission current can be up to similar to 60 mu A at an applied voltage of similar to 3 kV. Two distinct slopes are evident in the Fowler-Nordheim (FN) plot. The FE characteristics can be explained using a site-related tunnelling-controlled mechanism. The occurrence of two FN slopes is attributed to the switchover from tip emission to side emission, which results from the differences in interface barrier, geometry, as well as the total emission area of the two emission interfaces.
机译:我们提出了在(100)n型硅衬底上生长的锥形氮化硼纳米棒的电子场发射(FE)特性。在施加的电压类似于3 kV时,发射电流可以高达60μA。在Fowler-Nordheim(FN)图中可以看到两个明显的斜率。可以使用现场相关的隧道控制机制来解释有限元特征。两个FN斜率的出现归因于从尖端发射到侧面发射的转换,这是由于界面势垒,几何形状以及两个发射界面的总发射面积的差异引起的。

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