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Strongly compressed Bi (111) bilayer films on Bi2Se3 studied by scanning tunneling microscopy.
- Source :
-
Applied Physics Letters . 9/21/2015, Vol. 107 Issue 12, p1-4. 4p. 1 Chart, 3 Graphs. - Publication Year :
- 2015
-
Abstract
- Ultra-thin Bi films show exotic electronic structure and novel quantum effects, especially the widely studied Bi (111) film. Using reflection high-energy electron diffraction and scanning tunneling microscopy, we studied the structure and morphology evolution of Bi (111) thin films grown on Bi2Se3. A strongly compressed, but quickly released in-plane lattice of Bi (111) is found in the first three bilayers. The first bilayer of Bi shows a fractal growth mode with flat surface, while the second and third bilayer show a periodic buckling due to the strong compression of the in-plane lattice. The lattice slowly changes to its bulk value with further deposition of Bi. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 107
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 109971513
- Full Text :
- https://doi.org/10.1063/1.4931390