Cleaved thin-film probes for scanning tunneling microscopy

T. Siahaan, O. Kurnosikov, B. Barcones Campo, H.J.M. Swagten, B. Koopmans

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

We introduce an alternative type of probe for scanning tunneling microscopy (STM). Instead of using a needle-like tip made from a piece of metallic wire, a sharp-edged cleaved insulating substrate, which is initially covered by a thin conductive film, is used. The sharp tip is formed at the intersection of the two cleaved sides. Using this approach a variety of materials for STM probes can be used, and functionalization of STM probes is possible. The working principle of different probes made of metallic (Pt, Co, and CoB), indium-tin oxide, as well as Cu/Pt and Co/Pt multilayer films are demonstrated by STM imaging of clean Cu(001) and Cu(111) surfaces as well as the epitaxial Co clusters on Cu(111).
Original languageEnglish
Article number03LT01
Pages (from-to)1-6
JournalNanotechnology
Volume27
Issue number3
DOIs
Publication statusPublished - 22 Jan 2016

Keywords

  • scanning tunneling microscopy
  • stm probes
  • probes fabrication
  • probes functionalization

Cite this

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Cleaved thin-film probes for scanning tunneling microscopy. / Siahaan, T.; Kurnosikov, O.; Barcones Campo, B.; Swagten, H.J.M.; Koopmans, B.

In: Nanotechnology, Vol. 27, No. 3, 03LT01, 22.01.2016, p. 1-6.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Cleaved thin-film probes for scanning tunneling microscopy

AU - Siahaan, T.

AU - Kurnosikov, O.

AU - Barcones Campo, B.

AU - Swagten, H.J.M.

AU - Koopmans, B.

PY - 2016/1/22

Y1 - 2016/1/22

N2 - We introduce an alternative type of probe for scanning tunneling microscopy (STM). Instead of using a needle-like tip made from a piece of metallic wire, a sharp-edged cleaved insulating substrate, which is initially covered by a thin conductive film, is used. The sharp tip is formed at the intersection of the two cleaved sides. Using this approach a variety of materials for STM probes can be used, and functionalization of STM probes is possible. The working principle of different probes made of metallic (Pt, Co, and CoB), indium-tin oxide, as well as Cu/Pt and Co/Pt multilayer films are demonstrated by STM imaging of clean Cu(001) and Cu(111) surfaces as well as the epitaxial Co clusters on Cu(111).

AB - We introduce an alternative type of probe for scanning tunneling microscopy (STM). Instead of using a needle-like tip made from a piece of metallic wire, a sharp-edged cleaved insulating substrate, which is initially covered by a thin conductive film, is used. The sharp tip is formed at the intersection of the two cleaved sides. Using this approach a variety of materials for STM probes can be used, and functionalization of STM probes is possible. The working principle of different probes made of metallic (Pt, Co, and CoB), indium-tin oxide, as well as Cu/Pt and Co/Pt multilayer films are demonstrated by STM imaging of clean Cu(001) and Cu(111) surfaces as well as the epitaxial Co clusters on Cu(111).

KW - scanning tunneling microscopy

KW - stm probes

KW - probes fabrication

KW - probes functionalization

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DO - 10.1088/0957-4484/27/3/03LT01

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