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- Preparation and field electron emission of diamond films grown on porous silicon substrates by MW-CVD are studied. 研究了多孔硅衬底微波CVD金刚石薄膜的制备工艺及其场电子发射特性。
- Numberical smiulation is made.Its result is agreement with that of field electron emission experiment. 当考虑到发射体表面的原子级不平整对电场的影响时，利用公式计算的结果与实验结果基本符合。
- It was concluded that charge injection and recombination would restrict the field electron emission, and increase the threshold voltage of flashover and decrease its scattering. 发生在绝缘体表层的电荷注入和复合过程能够在一定程度上抑制场致电子发射，从而提高沿面闪络电压，并降低闪络电压值的分散性。
- Keywords CNTs films;field electron emission;triode; 碳纳米管;场发射;三极管;
- Efficiency of field electron emission 发射效率
- Investigations of Microwave Plasma CVD Nanocrystalline Diamond Field Electron Emission 微波等离子体 CVD纳米金刚石场致电子发射研究
- Preparation, Characterization and Field Electron Emission Properties of CN_x Nanotubes 碳氮纳米管的制备、表征及场致电子发射特性研究
- An effective method for improvement of field electron emission site density and uniformity of amorphous carbon thin films 改进碳膜场电子发射点密度及发射均匀性的一种有效方法
- field electron emission 场致电子发射
- Keywords nano-amorphous carbon film;field electron emission;turn-on field;current density;emission sites density;stability;hydrogen chemisorption;Density functional theory;work function; 纳米非晶碳膜;场电子发射;开启电场;电流密度;发射点密度;稳定性;氢化学吸附;密度泛函理论;功函数;
- Furthermore, a field emission triode device using the self-organized nanodot arrays as electron emission source was proposed and fabricated. 本研究亦利用奈米点作为电子发射源制作场效发射三极体元件。
- As compared with amorphous diamond on Si, the reduction of the applied electric field for the electron emission can be effectively improved by using Sm/ amorphous diamond contact. 我们发现非晶钻石长在镀钐的硅基板比单纯长在硅基板上的场发射特性更好，主要是因为金属有相对较低的功函数，可以降低金属/石接面的位障高度。
- The mechanism to produce HCPEB was discussed in detail.The electron gun can be divided into explosive electron emission (EEE), anode plasma (AP) and oriented magnetic field. 电子束产生部分由爆炸电子发射阴极、等离子体阳极及导向磁场构成。
- The hydrogen in the gauge is ionized by electron emission from a heated cathode. 在离子计内的氢气是用一个加热阴极放射电子来电离的。
- Experimental results show that CP can effectively activate such FEC's for electron emission. 实验结果表明，CP能有效激活长时间存放于恶劣环境的FEC的电子发射；
- The molecular effect [R(Yf)] in the forward electron emission decreases with target thickness at a certain energy. 前向发射产额的分子效应R(Yf)，在给定的能量下随靶厚增加而下降。
- A twodimensional model was used to simulate the processes of electron emission and beam transportation. 建立了二维数字模型，并对注入器的电子发射和束流传输过程进行模拟，模拟结果指导了实验调试。
- Abstract： In this paper, the beam dynamics in micro-pulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. 摘 要： 利用SEEG程序模拟计算了微脉冲电子枪束流动力学问题。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- Intermingle CaO in electronic emission materials can reduce the evaporation of BaO and increase the emitting electric current. 电子发射材料的组份和质量关系到钨阴极的寿命和支取的电流密度。
