Abstract
We have been able to raise squares of around 2Å in height of the layered materials Bi1.6Sb0.4Se3, Bi1.9Sb0.1Se3 and Bi2Se3 by means of contact atomic force microscopy in air. By raising squares on/beneath previously produced squares, Mayan-like pyramids have been constructed, each step of the pyramid being around 2 Å in height. We neither remove matter from the surface nor produce a localized oxidation of the sample; we elevate a portion of it. When the surface is oxidized, the AFM cantilever pulls the oxide off producing holes. The raising of the squares is also possible in a nitrogen atmosphere. (C) 2000 Elsevier Science B.V.
Original language | English |
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Pages (from-to) | 165-170 |
Number of pages | 6 |
Journal | Ultramicroscopy |
Volume | 82 |
Issue number | 1-4 |
DOIs | |
Publication status | Published - 2000 Feb |
Event | The International Conference on Scanning Probe Microscopy, Cantilever Sensors and Nanostructures (SPM '99) - Seattle, WA, USA Duration: 1999 May 30 → 1999 Jun 1 |
Keywords
- Atomic force microscopy
- Layered materials
- Nanofabrication
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Instrumentation