【摘 要】
：
Semi-insulating photoconductive semiconductor switch with an electrode gap of 4mm, triggered by a laser pulse with energy of 0.5mJ, and applied bias of 2.5kV, t
【机 构】
：
Department of Applied Physics, Xi’an University of Technology, Xi’an 710048
论文部分内容阅读
Semi-insulating photoconductive semiconductor switch with an electrode gap of 4mm, triggered by a laser pulse with energy of 0.5mJ, and applied bias of 2.5kV, the periodicity current oscillation with a cycle of 12ns is obtained. It is indicated that the current oscillation is one mode of transferred electron effect, namely quenched domain mode. This mode of trans-electron oscillator is obtained when the instantaneous bias electric field drops below the sustaining field (the minimum electric field required to support the domain) before the domain reaches the anode, which leads to the domain disappears somewhere in the bulk of the switch and away from the ohmic contacts. We mainly analyse the time-dependent characteristic of the mode, the theoretical analysis results are in excellent agreement with the experiment.
其他文献
We theoretically study the electron transport properties for two coupled single-walled carbon nanotube quantum dots connected to metallic electrodes under the i
舒曼是具有幻想力和诗人气质的浪漫派作曲家.钢琴曲“克莱斯勒偶记”是一首极具舒曼风格的音乐作品,作曲者借霍夫曼笔下的“克莱斯勒”成功地阐释了自己的音乐思想.本文通过
We investigate the laser actions of 5at.% Yb: Cd,2x Y,2(1-xSiO,5 (Yb:GYSO; x = 0.1) crystals with different cutting directions, parallel and vertical to the gro
将三十烷醇、化肥、微量元素和农药,按照一定比例进行混合,制成“四合一”混合液,用于对人参进行根外喷施,能促进人参生长,防治叶面黑斑病,提高产量和质量,增产效果经方差分
多媒体技术是最典型也最成功的现代教育辅助技术,做好对其在小学数学教学中的应用分析,能够为提高小学数学课堂教学效果带来帮助.笔者结合实践教学经验,在本文中先对多媒体在
生物学不仅是高中的一门重要学科,也是影响社会发展的一门技术性学科,因此学好生物非常重要,但是高中生物的学习又与其它学科的学习略有不同,生物的知识体系较为庞杂,但是知
In the standard model, the weak gauge bosons and fermions obtain mass after spontaneous electro-weak symmetry breaking, which is realized by one fundamental sca
随着新课程改革的深入,如何提高小学英语对话教学的有效性是英语教师一直研究和讨论的重要问题.本文着重从有效教学策略的标准、有效教学策略的选择与方法等几方面探讨小学英
生活中不能没有音乐,音乐作为影视作品不可或缺的一部分,丰富着影片的内涵.七年级下册有专门设置一个单元来介绍影视音乐.在现实的音乐教学中,想上好这一内容并不简单.常见问
随着我国教育事业的不断发展,人们对于音乐教学的关注度也在逐渐提高.因此,在音乐教学中采取有效的教学方法,吸引学生的目光,提高学生的鉴赏能力就成为了高中音乐教学中最为