Journal
NANO LETTERS
Volume 13, Issue 1, Pages 43-47Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl3033119
Keywords
Quantum size effects; bismuth; nanostructures; thin films
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Funding
- MacDiarmid Institute for Advanced Materials and Nanotechnology
- U.S. Department of Energy [DE-FG02-07ER46383]
- China Scholarship Council
- Young Scholar Plan of NJUST
- U.S. Department of Energy (DOE) [DE-FG02-07ER46383] Funding Source: U.S. Department of Energy (DOE)
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We show that bismuth nanostructures form three-dimensional patterns governed by two-dimensional electronic effects. Scanning tunneling microscopy reveals that both the vertical and the lateral dimensions of the structures strongly favor certain values and that the preferred widths are substantially different for each preferred height. First-principles calculations demonstrate that this vertical-lateral correlation is governed by the Fermi surface topology and that this is itself sensitively dependent on the dimensions of the structure.
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