Nanofabricated tips for device-based scanning tunneling microscopy

Maarten Leeuwenhoek, Richard A. Norte, Koen M. Bastiaans, Doohee Cho, Irene Battisti, Yaroslav M. Blanter, Simon Gröblacher, Milan P. Allan

Research output: Contribution to journalArticle

Abstract

We report on the fabrication and performance of a new kind of tip for scanning tunneling microscopy. By fully incorporating a metallic tip on a silicon chip using modern micromachining and nanofabrication techniques, we realize so-called smart tips and show the possibility of device-based STM tips. Contrary to conventional etched metal wire tips, these can be integrated into lithographically defined electrical circuits. We describe a new fabrication method to create a defined apex on a silicon chip and experimentally demonstrate the high performance of the smart tips, both in stability and resolution. In situ tip preparation methods are possible and we verify that they can resolve the herringbone reconstruction and Friedel oscillations on Au(111) surfaces. We further present an overview of possible applications.

Original languageEnglish
Article number335702
JournalNanotechnology
Volume30
Issue number33
DOIs
Publication statusPublished - 2019 May 23

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Scanning tunneling microscopy
Silicon
Fabrication
Micromachining
Nanotechnology
Metals
Wire
Networks (circuits)

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Leeuwenhoek, M., Norte, R. A., Bastiaans, K. M., Cho, D., Battisti, I., Blanter, Y. M., ... Allan, M. P. (2019). Nanofabricated tips for device-based scanning tunneling microscopy. Nanotechnology, 30(33), [335702]. https://doi.org/10.1088/1361-6528/ab1c7f
Leeuwenhoek, Maarten ; Norte, Richard A. ; Bastiaans, Koen M. ; Cho, Doohee ; Battisti, Irene ; Blanter, Yaroslav M. ; Gröblacher, Simon ; Allan, Milan P. / Nanofabricated tips for device-based scanning tunneling microscopy. In: Nanotechnology. 2019 ; Vol. 30, No. 33.
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Leeuwenhoek, M, Norte, RA, Bastiaans, KM, Cho, D, Battisti, I, Blanter, YM, Gröblacher, S & Allan, MP 2019, 'Nanofabricated tips for device-based scanning tunneling microscopy', Nanotechnology, vol. 30, no. 33, 335702. https://doi.org/10.1088/1361-6528/ab1c7f

Nanofabricated tips for device-based scanning tunneling microscopy. / Leeuwenhoek, Maarten; Norte, Richard A.; Bastiaans, Koen M.; Cho, Doohee; Battisti, Irene; Blanter, Yaroslav M.; Gröblacher, Simon; Allan, Milan P.

In: Nanotechnology, Vol. 30, No. 33, 335702, 23.05.2019.

Research output: Contribution to journalArticle

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Leeuwenhoek M, Norte RA, Bastiaans KM, Cho D, Battisti I, Blanter YM et al. Nanofabricated tips for device-based scanning tunneling microscopy. Nanotechnology. 2019 May 23;30(33). 335702. https://doi.org/10.1088/1361-6528/ab1c7f