Abstract
We describe a multipurpose scanning tunneling microscope designed to operate in ultrahigh vacuum as well as in air, over a range extending from room temperature to liquid-nitrogen temperatures. It is a single-tube scanner design with a differential flexing approach mechanism mounted on a vibration isolation stack. The instrument features a novel in situ tip and sample exchange mechanism for extended operation under vacuum. A unique characteristic is that the vacuum chamber and all components with the exception of the gas-cooled sample holder are at room temperature. We present preliminary data taken with this instrument, demonstrating atomic resolution constant current, constant height, and multiple-bias imaging, gap-modulated current-voltage spectroscopy or simultaneous topography, and work function measurements, as well as lithography on the surfaces of graphite, Au(111) on mica, and GaAs(110).
References
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 9:17 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 6, 2024, 4:33 a.m.) |
Indexed | 3 months ago (May 22, 2025, 2:46 a.m.) |
Issued | 35 years, 10 months ago (Oct. 1, 1989) |
Published | 35 years, 10 months ago (Oct. 1, 1989) |
Published Print | 35 years, 10 months ago (Oct. 1, 1989) |
@article{Lang_1989, title={Low-temperature ultrahigh-vacuum scanning tunneling microscope}, volume={60}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1140586}, DOI={10.1063/1.1140586}, number={10}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Lang, C. A. and Dovek, M. M. and Quate, C. F.}, year={1989}, month=oct, pages={3109–3112} }