| 扫描隧道显微镜电路在煤炭颗粒观察中的应用 |
| |
| 引用本文： | 孙逊,张仁杰.扫描隧道显微镜电路在煤炭颗粒观察中的应用[J].煤炭科学技术,2009,37(3). |
| |
| 作者姓名： | 孙逊 张仁杰 |
| |
| 作者单位： | 上海理工大学光学与电子信息工程学院,上海,200093
|
| |
| 基金项目： | 上海市研究生创新基金 |
| |
| 摘 要： | 为了研究利用扫描隧道显微镜来观察煤炭颗粒表面结构,对其测控电路的结构原理进行了探讨.针对扫描隧道显微镜的不同工作模式,从电气测控原理的角度,对这些模式所需的相应电路结构和主要电路模块的特点进行分析比较.总结当前扫描隧道显微镜测控电路的4种结构形式的优缺点及其在煤系颗粒观察中的应用.扫描隧道显微镜采用不同的工作模式,其本质上是电路中对微弱信号进行闭环测控时,环路上硬件电路模块的相应增减.
|
| 关 键 词： | 扫描隧道显微镜 恒电流模式 等高模式 组合模式 接触模式 |
Application of Scanning Tunnel Microscope Circuits to Coal Particle Observation |
| |
| SUN Xun,ZHANG Ren-jie.Application of Scanning Tunnel Microscope Circuits to Coal Particle Observation[J].Coal Science and Technology,2009,37(3). |
| |
| Authors: | SUN Xun ZHANG Ren-jie |
| |
| Affiliation: | School of Optical and Electronic Information Engineering;University of Shanghai for Science and Technology;Shanghai 200093;China |
| |
| Abstract: | In order to have a research on the application of the scanning tunnel microscope to investigate the surface structure of the coal particles,the paper had a discussion on the structural principle of the measurement and control circuits.According to the different work mode of the scanning tunnel microscope,from the view point of the electric measurement and control principle,the paper had the analysis and comparison on the features of the relative circuit structure and main circuit block required by the those... |
| |
| Keywords: | scanning tunnel microscope constant current mode contour mode combined mode contact mode |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
