Study of composite cathodes in electron field emission devices: Relative contributions of resonant and sequential tunneling

V. Filip, H. Wong, Wing-Shan Tam, C. Kok
{"title":"Study of composite cathodes in electron field emission devices: Relative contributions of resonant and sequential tunneling","authors":"V. Filip, H. Wong, Wing-Shan Tam, C. Kok","doi":"10.1109/ISNE.2016.7543403","DOIUrl":null,"url":null,"abstract":"A simple model of a hetero-structured cathode for electron field emission was developed in order to compare resonant and sequential electron field emission currents. These two components were simultaneously computed through an iterative process. The model assumes that a certain fraction of the batch of electrons that failed to resonantly transit the structure will end up in its quasi-bound states. It was found that, while various slope changes appear in both current-field characteristics, for the sequential tunneling emission, such features are merely interference effects occurring in the potential energy barrier, prior to the electron's transition in the quasi-bound states. Thus, various space charges develop in the structure and reacts back on both the sequential and the resonant parts of the current.","PeriodicalId":127324,"journal":{"name":"2016 5th International Symposium on Next-Generation Electronics (ISNE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 5th International Symposium on Next-Generation Electronics (ISNE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISNE.2016.7543403","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

Abstract

A simple model of a hetero-structured cathode for electron field emission was developed in order to compare resonant and sequential electron field emission currents. These two components were simultaneously computed through an iterative process. The model assumes that a certain fraction of the batch of electrons that failed to resonantly transit the structure will end up in its quasi-bound states. It was found that, while various slope changes appear in both current-field characteristics, for the sequential tunneling emission, such features are merely interference effects occurring in the potential energy barrier, prior to the electron's transition in the quasi-bound states. Thus, various space charges develop in the structure and reacts back on both the sequential and the resonant parts of the current.
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
电子场发射器件中复合阴极的研究:共振和顺序隧穿的相对贡献
建立了异质结构电子场发射阴极的简单模型,以比较谐振和顺序电子场发射电流。这两个分量通过迭代过程同时计算。该模型假设,在这批电子中,有一定比例的电子未能共振地通过结构,最终将处于准束缚态。研究发现,虽然两种电流场特征都出现了不同的斜率变化,但对于顺序隧穿发射,这些特征仅仅是在电子跃迁到准束缚态之前发生在势能势垒中的干涉效应。因此,在结构中产生各种空间电荷,并对电流的顺序部分和谐振部分产生反作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 去求助
来源期刊
自引率
0.00%
发文量
0
期刊最新文献
Cover letter Identification system testing and optimisation Design of a LVDS RX soft IP kernel for multichannel ultrasound imaging systems The comparison between LR and NN methods for quality assurance prediction of bearing machining Preparation and characterization of surface treatment on single-walled carbon nanotubes thin films by 4-azidoaniline hydrochloride
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1