Cryogenic variable temperature ultrahigh vacuum scanning tunneling microscope

A cryogenic variable temperature ultrahigh vacuum (UHV) scanning tunneling microscope (STM) has been developed. This design utilizes a novel vibration isolation that provides an active thermal link to the cooling source without the standard tradeoff of compromising mechanical isolation. A welded bel...

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Bibliographic Details
Published in:Review of scientific instruments 2000-09, Vol.71 (9), p.3428-3435
Main Authors: Foley, E. T., Kam, A. F., Lyding, J. W.
Format: Article
Language:English
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Summary:A cryogenic variable temperature ultrahigh vacuum (UHV) scanning tunneling microscope (STM) has been developed. This design utilizes a novel vibration isolation that provides an active thermal link to the cooling source without the standard tradeoff of compromising mechanical isolation. A welded bellows serves as the basis for the vibration isolation system. This bellows houses a heat exchanger which uses helium gas to form a thermal link between the STM and the cryogenic. This STM is fully integrated into a multichamber UHV STM system now in place in our laboratory and atomic resolution operation is demonstrated from 11 to 300 K.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1287046