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Flat epitaxial quasi-1D phosphorene chains
- Source :
- Nature Communications, Nature Communications, Nature Publishing Group, 2021, 12, pp.5160. ⟨10.1038/s41467-021-25262-7⟩, Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021), Nature Communications, 2021, 12 (1), pp.5160. ⟨10.1038/s41467-021-25262-7⟩
- Publication Year :
- 2020
-
Abstract
- The emergence of peculiar phenomena in 1D phosphorene chains (P chains) has been proposed in theoretical studies, notably the Stark and Seebeck effects, room temperature magnetism, and topological phase transitions. Attempts so far to fabricate P chains, using the top-down approach starting from a few layers of bulk black phosphorus, have failed to produce reliably precise control of P chains. We show that molecular beam epitaxy gives a controllable bottom-up approach to grow atomically thin, crystalline 1D flat P chains on a Ag(111) substrate. Scanning tunneling microscopy, angle-resolved photoemission spectroscopy, and density functional theory calculations reveal that the armchair-shaped chains are semiconducting with an intrinsic 1.80 ± 0.20 eV band gap. This could make these P chains an ideal material for opto-electronic devices.<br />Similarly to graphene, attempts to fabricate phosphorene by epitaxy or starting from a few layers of bulk black phosphorus have failed so far. Here, the authors present a controllable bottom-up approach to grow atomically thin, crystalline 1D flat phosphorus chains on a Ag(111) substrate.
- Subjects :
- Materials science
Photoemission spectroscopy
Band gap
Science
General Physics and Astronomy
02 engineering and technology
Substrate (electronics)
Epitaxy
01 natural sciences
General Biochemistry, Genetics and Molecular Biology
Article
law.invention
chemistry.chemical_compound
law
0103 physical sciences
[PHYS.COND]Physics [physics]/Condensed Matter [cond-mat]
010306 general physics
Multidisciplinary
Condensed matter physics
Graphene
Synthesis and processing
General Chemistry
021001 nanoscience & nanotechnology
Surface chemistry
Phosphorene
chemistry
Scanning tunneling microscope
0210 nano-technology
Molecular beam epitaxy
Subjects
Details
- ISSN :
- 20411723
- Volume :
- 12
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Nature communications
- Accession number :
- edsair.doi.dedup.....2f4469800b92dbcc53ae731d033465ee