1) current collapse
电流崩塌效应
1.
Pulse width influences less on current collapse.
基于实验结果的理论分析认为,电子从栅极注入到栅漏之间并被表面态所俘获,在沟道中形成增加的耗尽层,使得沟道二维电子气浓度减小,从而导致形成电流崩塌效应的主要原因之一。
2.
2% induced by bias stress, and if the bias stress is long and large enough, current collapses are approximately even in the same gate voltage and different bias conditions.
研究表明,栅- 漏间表面态捕获的电子使得表面电势发生变化,引起沟道中二维电子气浓度降低,从而导致电流崩塌效应的产生。
3.
A review on the progress and resear ch of current collapse of AlGaN/GaN HEMTs is presented.
简要回顾了 Al Ga N/Ga N HEMT器件电流崩塌效应研究的进展 ,着重阐述了虚栅模型、应力模型等几种解释电流崩塌效应形成机理的模型和器件钝化、生长盖帽层等减小电流崩塌效应的措施。
2) current collapse effect
电流崩塌效应
1.
It has been demonstrated that current collapse effect was suppressed effectively in doped structures.
对不同掺杂浓度AlGaN/GaN HEMTs施加直流偏置应力,研究掺杂AlGaN/GaN HEMTs电流崩塌效应。
2.
Under some DC bias stress,the degree of drain current collapse of AlGaN/GaN HEMTs with an AlN insert layer is less prominent than that with no AlN insert layer,indicating that an AlN insert layer can inhibit current collapse effectively.
从测试结果看,无AlN插入层的AlGaN/GaNHEMTs有更显著的电流崩塌程度,表明AlN插入层对电流崩塌效应有显著的抑制作用。
4) current collapse
电流崩塌
1.
Mechanism study of the surface passivation effect on current collapse characteristics of AlGaN/GaN HEMTs;
AlGaN/GaN HEMTs表面钝化抑制电流崩塌的机理研究(英文)
2.
Research on the current collapse in AlGaN/GaN high-electron-mobility transistors through the inverse piezoelectric polarization model;
用逆压电极化模型对AlGaN/GaN高电子迁移率晶体管电流崩塌现象的研究
3.
Relation between breakdown voltage and current collapse in GaN FP-HEMTs;
GaN FP-HEMTs中击穿电压与电流崩塌的关系
5) the collapses and revivals
崩塌和回复效应
1.
The time evolution of the collapses and revivals of the atomic inversion and the photon number distribution in a system where a two-level atom interacts with the field that is prepared in the coherent state and discussed the influence of the phase decoherence on nonclassical effects are studied.
研究表明:相位退相干系数对原子反转算符时间演化的崩塌和回复效应、光场光子数分布振荡和反聚束效应有十分显著的影响。
6) Collapse and revival phenomena
崩塌与回复效应
补充资料：电流的生物效应（biologicaleffectofelectriccurrent）
电流的生物效应（biologicaleffectofelectriccurrent）
生物组织具有被动电特性和介电性质，对外电流的反应很复杂。外加直流或低频电流在机体内的分布受到生物组织结构阻抗特性的制约，高频电流则受介电特性的影响。直流或低频电流主要呈电阻行为，导致物理与电化学性质的效应，主要是焦耳热效应。该电阻多呈非线性特征，大电流会导致组织损伤，弱电流的电化学效应导致电解质平衡分布变化而影响各种生命活动过程。高频电流的效应则主要表现为电容性质，即介电热耗散效应，并会伴随有多种代谢活动变化。适当的频率和强度的电流生物效应，具有临床应用意义。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条