Abstract

A scanning tunneling microscope (STM) operable from room temperature to 1.5 K with an integrated sample preparation chamber has been constructed and successfully tested. Both the sample and the tunneling tip can be cleaned and/or modified in a UHV processing chamber which is connected at the top of a liquid-helium flow cryostat. The STM is mounted to a threaded rod inside the cryostat so that it can be translated vertically. This allows a newly prepared sample/tip to be transferred onto the STM and lowered into a cryogenic environment without breaking vacuum, minimizing surface contamination which causes significant tunneling problems at cryogenic temperatures.

Original languageEnglish (US)
Pages (from-to)2855-2859
Number of pages5
JournalReview of Scientific Instruments
Volume65
Issue number9
DOIs
StatePublished - Dec 1 1994

Fingerprint

Scanning tunneling microscopy
Cryogenics
cryogenics
scanning tunneling microscopy
Microscopes
Cryostats
Scanning
preparation
microscopes
cryostats
scanning
chambers
Helium
Contamination
Vacuum
cryogenic temperature
Temperature
liquid helium
Liquids
Processing

ASJC Scopus subject areas

  • Instrumentation

Cite this

Integrated cryogenic scanning tunneling microscopy and sample preparation system. / Tessmer, S. H.; Harlingen, D. J.Van; Lyding, J. W.

In: Review of Scientific Instruments, Vol. 65, No. 9, 01.12.1994, p. 2855-2859.

Research output: Contribution to journalArticle

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