沈阳航空航天大学学报Issue(2)：84-86,3.DOI:10.3969/j.issn.2095-1248.2014.02.019
STM中量子隧穿效应原子模型的计算机模拟
Computer simulation of atomic model of quantum tunneling effect in STM
摘要
Abstract
Firstly,quantum tunnel effect of atoms in STM is introduced in this paper and quantum mechanics analysis is carried out. Next,tunnel effect and STM scanning process are simulated with Maya2013. Finally, we examine the relationship between tunneling current and the distance of the probe surface, and draw its graph,which shows that the tunneling current is very sensitive tothe distance between the tip and sample. As the distance between the tip and the sample increases 0.1 nm,the tunneling current will alter exponentially. Therefore,harnessing the distance between the tip and the sample and the size of the tip is critical to the suc-cess of the experiment.关键词
隧道效应/扫描隧道显微镜(STM)/MatlabKey words
tunnel effect/scanning tunneling microscopy( STM)/Matlab分类
信息技术与安全科学引用本文复制引用
王兆阳,王宏伟..STM中量子隧穿效应原子模型的计算机模拟[J].沈阳航空航天大学学报,2014,(2):84-86,3.基金项目
国家自然科学基金青年基金(项目编号:51101105) （项目编号:51101105）
