Nonlinear characteristics of the Fowler-Nordheim plots of carbon nanotube field emission

Chen L.-F.; Ji Z.-G.; Mi Y.-H.; Ni H.-L.; Zhao H.-F.

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Nonlinear characteristics of the Fowler-Nordheim plots of carbon nanotube field emission

机译：碳纳米管场发射的Fowler-Nordheim图的非线性特征

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The barrier between substrate and field emitters can dominate the overall process of field emission. Carbon nanotube (CNT) films were synthesized by thermal chemical vapor deposition (CVD) on silicon substrate covered with a very thin SiO_2 layer as the interface contact barrier. The current versus applied voltage curve shows a high turn-on voltage, and the Fowler-Nordheim (FN) plot exhibits nonlinearity characteristics and departures from the original line and exhibits current saturation in the high-voltage region. However, the FN plot of CNTs grown on Si substrates without SiO_2 layers had no obvious critical voltage and approximately followed the FN law in our experimental voltage region. The reasons for the nonlinearity of FN plots of CNTs grown on a SiO_2 layer were discussed in terms of circuit theory.

机译：基板和场发射器之间的势垒可以主导整个场发射过程。通过热化学气相沉积（CVD）在覆盖有非常薄的SiO_2层作为界面接触阻挡层的硅基板上合成碳纳米管（CNT）膜。电流与施加电压的关系曲线显示出较高的开启电压，而Fowler-Nordheim（FN）图显示出非线性特性并偏离了原始线路，并在高压区域表现出电流饱和。然而，在没有SiO_2层的Si衬底上生长的CNT的FN图没有明显的临界电压，并且在我们的实验电压范围内近似遵循FN定律。从电路理论的角度讨论了在SiO_2层上生长的CNT的FN图非线性的原因。

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《Physica Scripta: An International Journal for Experimental and Theoretical Physics》 |2010年第3期|共4页
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Chen L.-F.; Ji Z.-G.; Mi Y.-H.; Ni H.-L.; Zhao H.-F.;
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1. Nonlinear characteristics of the Fowler-Nordheim plots of carbon nanotube field emission [J] . Chen L.-F., Ji Z.-G., Mi Y.-H., Physica Scripta: An International Journal for Experimental and Theoretical Physics . 2010,第3期

机译：碳纳米管场发射的Fowler-Nordheim图的非线性特征
2. Nonlinear Fowler-Nordheim plots of the field electron emission from graphitic nanocones: influence of non-uniform field enhancement factors [J] . Lu X, Yang Q, Xiao C, Journal of Physics, D. Applied Physics: A Europhysics Journal . 2006,第15期

机译：石墨纳米锥的场电子发射的非线性Fowler-Nordheim图：非均匀场增强因子的影响
3. Fitting nonlinear Fowler-Nordheim plots of field emission strips with a self-consistent parallel plane model [J] . Ming-Chieh Lin, Yi-Huan Liao Journal of Vacuum Science & Technology. B, Microelectronics and Nanometer Structures . 2008,第2期

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4. Physicl Origin of Nonlinearity in the Fowler-Nordheim Plot of Field-induced Emission From Amorphous Diamond Films: Thermionic Emission to Field Emission [C] . 20th anniversary for Surface and Interface Physics Committee of Chinese Physical Society(1982-2002) . 2002

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5. The electron emission characteristics of aluminum, molybdenum and carbon nanotubes studied by field emission and photoemission. [D] . Sosa, Edward Delarosa. 2002

机译：通过场发射和光发射研究了铝，钼和碳纳米管的电子发射特性。
6. The role of Hurst exponent on cold field electron emission from conducting materials: from electric field distribution to Fowler-Nordheim plots [O] . T. A. de Assis -1

机译：赫斯特指数在导电材料的冷场电子发射中的作用：从电场分布到Fowler-Nordheim图
7. The role of Hurst exponent on cold field electron emission from conducting materials: from electric field distribution to Fowler-Nordheim plots [O] . de Assis, T. A. 2015

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Nonlinear characteristics of the Fowler-Nordheim plots of carbon nanotube field emission

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