electron emission

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。

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Study of electron emission induced by phase transition from lead free cathodes

无铅阴极的相变致电子发射研究

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Experiments show that, these cold cathodes have good electron emission ability, the minimum threshold field is 3 25V/ μ m.

实验显示，这些冷阴极都具有很高的电子发射能力，最低开启场强达到325V/μm。

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Numberical simulation 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.

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Effects of ion impinging on the morphology and field electron emission properties of screen-printed carbon nanotube films were investigated.

研究了粒子轰击对碳纳米管膜微结构和场电子发射性能的影响。

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In-situ field electron emission measurement has been conducted on individual zinc oxide nanowire.

原位研究了单根氧化锌纳米线的场致电子发射性能.

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An argon ion source used for sputtering deposition has been successfully developed based on the construction of hollow cathode connecting hollow anode and the technologies of thermal cathode electron emission arc discharge, plasma magnetic confinement and ion extracting on a curving surface.

本文采用空心阴极空心阳极结构，用热阴极电子发射弧放电驱动并用磁场约束产生等离子体，用曲面发射引出离子束，研制成了氩气放电溅射离子源；

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The effects of space charge and thermal velocity are taken into account, and Monte Carlo Method ( MCM) is proposed to deal with the rotationally symmetrical electron emission systems in cathode ray tubes.

本文应用蒙特卡洛法研完了旋转对称电子发射系统并考虑了空间电荷和热速度效应。

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The simulation results have provided useful references for these problems such as thermal cathode primary electron emission, the determination of ion beam derivation area and the effective confinement of discharge plasma in the design of ion source.

计算结果对于离子源设计中的阴极热电子发射、离子束有效引出面积确定及等离子体的有效约束等重要问题有一定参考价值。

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But the fact that the excess bariums are responsible for electron emission may be reconciled with the deficiency of alkaline earth metals during life by the dynamical surface emission center model.

然而超额钡仍然是发射电子的泉源，可以通过动态表面发射中心模型而与寿命中碱土金属下降统一起来。

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Preparation and field electron emission of diamond films grown on porous silicon substrates 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.

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The secondary electron emission coefficient of MCP glass and its effected factors are discussed.

讨论微通道板玻璃的二次电子发射系数及其影响因素.

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Work function of any material significantly affects its thermal electron emission and field emission.

材料的功函数对其热电子发射或场电子发射都有决定性的影响。

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A new method for measuring the secondary electron emission of thermionic cathode and its application

测量热阴极次级电子发射的新方法及其应用

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The sensitive mechanisms of gas sensors with a structure of metal insulator silicon carbide ( MISiC) Schottky diode are analyzed. A physical model for the device is developed by combining thermal electron emission theory with tunnel theory.

分析了金属绝缘体SiC（MISiC）结构肖特基二极管（SBD）气体传感器敏感机理，通过将热电子发射理论与隧道理论结合，建立了器件物理模型。

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The density of state of valence electron of La and O ions increase during activation processes. The 6s higher energy valence electrons of La ions with unsaturated coordination number is easy to emit. It is clear that the processes is beneficial to thermionic emission.

激活过程促使La，O离子的价电子态密度增加，配位不饱和的La离子外层6s高能价电子易形成电子发射，即这一变化过程对热电子发射具有积极作用。

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Among them, a better quality beam can be easily obtained from the thermionic cathode, but the emission current density of the electron is relatively low, the cathode is short life due to an easily cathode poisoning, and the cost is expensive.

其中，热阴极获得的电子束的束流品质较好，但发射电流密度相对较低，阴极容易中毒，寿命较短，而且成本高。

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The results show that backward electron emission yield deviates from inverse cosine law, due to the role of the valence electrons of H2+.

研究发现背向的电子发射产额不满足余弦关系，这是由于H2+上的价电子所引起的。

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Field electron emission from eruciform carbon nano-structure thin films

类毛虫状纳米级碳膜场致电子发射研究

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In nuclear decay process, internal conversion electron emission and electron capture leave vacancies in atomic shells.

核衰变过程中, 内转换电子发射和电子俘获能在原子电子壳层内留下空穴.

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Microstructure and Electron Emission Performance of RE-Mo/ W Thermionic Electron Emission Materials

稀土钼/钨热电子发射材料显微结构及其性能表征

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The electron emission performance of liquid-liquid doping material was studied with emission surveyor designed in our laboratory. The effect of the doping method on the property and structure of tungsten cathode material was emphasized.

在自行设计的发射测量设备上，研究了液液掺杂材料的电子发射性能，着重阐述了掺杂方式对材料发射性能和结构的影响；

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Theoretical design of high secondary electron emission coefficient emitter GaAs

高二次电子发射系数材料砷化镓的理论设计

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The results show that the electron emission yields are roughly proportional to incoming velocity.

动能电子发射的实验结果表明,电子产额随入射离子速度的增加而线性增加.

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The rare earth molybdenum cathode, which have advantages of high thermionic electron emission, easily produced and no radioactive pollution, hold great promise for replacing the ThO 2 W cathode.

稀土钼作为一种资源丰富、发射性能优良、易加工、无放射性污染的新型热阴极材料，己逐步取代具有放射性污染的ThO2W阴极材料，在中大功率电子管器件中获得应用。

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The field assisted hot electron emission cathode with a metal/ insulator/ semiconductor/ metal structure is a main candidate for large screen displays.

具有金属/绝缘层/半导体/金属结构的场助热电子发射阴极是大屏幕显示器中的主要候选部件。

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Field electron emission from W18O49 nanowire arrays, W18O49 nanotip arrays, molybdenum trioxide nanowire arrays, molybdenum dioxide nanowire arrays and molybdenum nanowire arrays have been studied.

研究了W18O49纳米线阵列、W18O49纳米针尖阵列、三氧化钼纳米线阵列、二氧化钼纳米线阵列和单质钼纳米线阵列的的场致电子发射性能。

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Its I-V characteristics show a larger linear region and lower series resistance than that of the previous silicon avalanche electron emission devices.

与已报道的其它结构硅雪崩击穿电子发射器件相比较，该器件的电流电压特性曲线有更宽的线性区域和更低的通导电阻。

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The Magnetically Confined Electron Cloud Sustained by Thermionic Emission

热电子发射维持的磁约束电子云

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Active agents had an important impact on both physical process of the arc electrode gas ionization and electron emission. Active substances reduced the Ionization voltage, and stabled the welding arc.

活性剂对电弧气体电离和电极发射电子两个物理过程都产生重要影响，活性物质的加入使得电离电压降低，电弧稳定。

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