Ultrahigh vacuum, variable temperature, dual scanning tunneling microscope system operating under high magnetic field

被引:9
|
作者
Cai, Weiwei [1 ]
Pang, Fei [1 ]
Wang, Jian [1 ]
Liu, Hui [1 ]
Liang, X. J. [1 ]
Xue, Q. K. [1 ]
Chen, D. M. [1 ]
机构
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1063/1.2746821
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We present a dual scanning tunneling microscope (DSTM) system operating between 2.2 K and room temperature, in a split-coil superconducting magnetic field up to 12 T and in ultrahigh vacuum. The DSTM consists of two compact STMs, each having x, y, and z coarse positioning piezoelectric steppers with embedded capacitive positioning sensor for navigation. Each STM can be operated independently and can achieve atomic resolution. The DSTM and the sample is configured in a way that allows the magnetic field orientation to be varied continuously from normal to parallel to the sample surface. Together with the sample, the DSTM can form a nanometer scale three terminal setup for transport measurement. (c) 2007 American Institute of Physics.
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页数:6
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