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  A beetle-type, variable temperature scanning tunneling microscope for video-rate imaging

Henß, A.-K., Wiechers, J., Schuster, R., Platschkowski, V., & Wintterlin, J. (2020). A beetle-type, variable temperature scanning tunneling microscope for video-rate imaging. Japanese Journal of Applied Physics, 59: SN1007. doi:10.35848/1347-4065/ab8680.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0006-6CF7-B Versions-Permalink: https://hdl.handle.net/21.11116/0000-0007-A762-E
Genre: Zeitschriftenartikel

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 Urheber:
Henß, A.-K.1, Autor
Wiechers, J.2, Autor
Schuster, R.3, Autor
Platschkowski, Viktor4, Autor           
Wintterlin, Joost1, Autor
Affiliations:
1 Department of Chemistry, Ludwig-Maximilians-Universität Munich, Germany, ou_persistent22              
2Dionex Softron GmbH, Germering, Germany, ou_persistent22              
3Institute of Physical Chemistry, Karlsruher Institut für Technologie, Germany, ou_persistent22              
4Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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 Zusammenfassung: A setup is described that combines video-rate imaging with temperature variability for a beetle-type scanning tunneling microscope (STM). The STM is operated in the constant height mode. Sinusoidal driving voltages are used for the scan lines; the resulting image distortions are corrected by a straightforward mathematical operation. A phase shifter is used to compensate the time lag between the driving voltage and the tip motion. A preamplifier with a bandwidth of 300 kHz and an rms noise of ~0.1 nA has been developed. Software has been written for data acquisition rates of up to 2 MHz and for saving movies of more than 3700 STM images of 200 × 200 pixels. Frame rates between 10 and 50 frames s−1 have been achieved, where the highest line rates are above the lowest resonance frequency of the STM. The accessible temperature range of 50–500 K is not impaired by the video mode.

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Sprache(n): eng - English
 Datum: 2020-01-302020-04-012020-04-032020-04-29
 Publikationsstatus: Erschienen
 Seiten: 9
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.35848/1347-4065/ab8680
 Art des Abschluß: -

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Titel: Japanese Journal of Applied Physics
  Kurztitel : JJAP
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Bristol, England : IOP Publishing Ltd
Seiten: 9 Band / Heft: 59 Artikelnummer: SN1007 Start- / Endseite: - Identifikator: ISSN: 0021-4922
CoNE: https://pure.mpg.de/cone/journals/resource/0021-4922