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A Simple, Compact and Rigid Scanning Tunneling Microscope
Wei-feng Ge,Ji-hao Wang,Yu-bin Hou,Qing-you Lu*
Author NameAffiliationE-mail
Wei-feng Ge Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China  
Ji-hao Wang Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory of the Chinese Academy of Sciences, Hefei 230031, China  
Yu-bin Hou Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory of the Chinese Academy of Sciences, Hefei 230031, China  
Qing-you Lu* Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, ChinaAnhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory of the Chinese Academy of Sciences, Hefei 230031, ChinaCollaborative Innovation Center for Arti cial Microstructure and Quantum Control, Nanjing University, Nanjing 210093, China qxl@ustc.edu.cn 
Abstract:
We present a homebuilt scanning tunneling microscope (STM) which employs an inner-wall polished sapphire guiding tube as a rail for the scanner to form a short tip-sample mechanical loop. The scanner is mounted on a square rod which is housed in the guiding tube and held by a spring strip. The sti sapphire guiding tube allows the STM body to be made in a simple, compact and rigid form. Also the material of sapphire improves the thermal stability of the STM for its good thermal conductivity. To demonstrate the performance of the STM, high quality atomic-resolution STM images of high oriented pyrolytic graphite were given.
Key words:  Scanning tunneling microscope, Sapphire guiding tube, Finite element analy-ses, Atomic-resolution image
FundProject:
简单紧凑高刚性扫描隧道显微镜的研制
葛威锋,王纪浩,侯玉斌,陆轻铀*
摘要:
本文展示了一台自主研制的扫描隧道显微镜,它的主要特色是利用了一个内壁抛光的蓝宝石导向管作为扫描头的导轨,从而形成了较短的探针到样品的机械回路. 该导向管里面是一个被弹簧片夹持的方形滑杆,而压电扫描头安装在该滑杆上使得扫描隧道显微镜本身结构比较简单、紧凑、刚性. 同时蓝宝石良好的热导率又有利于提高显微镜的热稳定性. 为了证明该扫描隧道显微镜的性能,本文给出了高质量的石墨原子分辨率图像.
关键词:  扫描隧道显微镜,蓝宝石导向管,有限元分析,原子分辨率图像
DOI:10.1063/1674-0068/31/cjcp1712247
分类号: