在半导体器件的发展史上,曾出现过多种负阻开关器件.但是能够成为一种实用化的、并在脉冲电路中获得广泛应用而具有生命力的负阻器件却为数不多.在这里考虑的主要因素是:器件的响应速度、输出脉冲的电压摆幅、负阻的稳定性和可控性,以及器件本身的制造工艺和对所用半导体材料的性能要求等.为了适应集成电路发展的需要,我 In the history of the development of semiconductor devices, there have been a variety of negative resistance switching devices, but can become a practical and widely used in the pulse circuit and the vitality of the negative resistance devices are few, considering here The main factors are: the response speed of the device, the voltage swing of the output pulse, the stability and controllability of the negative resistance, as well as the manufacturing process of the device itself and the performance requirements of the used semiconductor materials, etc. In order to meet the needs of the development of integrated circuits, I