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Cryogenic variable temperature ultrahigh vacuum scanning tunnelling microscope.

Author(s) : FOLEY E. T., KAM A. F., LYDING J. W.

Type of article: Article

Summary

A cryogenic variable temperature ultrahigh vacuum (UHV) scanning tunnelling 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 the authors' laboratory and atomic resolution operation is demonstrated from 11 to 300 K.

Details

  • Original title: Cryogenic variable temperature ultrahigh vacuum scanning tunnelling microscope.
  • Record ID : 2003-0008
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 71 - n. 9
  • Publication date: 2000/09
  • Document available for consultation in the library of the IIR headquarters only.

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