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Silicene nanosheets...
Silicene nanosheets intercalated in slightly defective epitaxial graphene on a 4H-SiC(0001) substrate
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Fabbri, Filippo (author)
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- Scarselli, Manuela (author)
- Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
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- Shetty, Naveen, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kubatkin, Sergey, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lara Avila, Samuel, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Abel, Mathieu (author)
- Aix-Marseille Université,Aix Marseille University
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- Berbezier, Isabelle (author)
- Aix-Marseille Université,Aix Marseille University
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Vach, Holger (author)
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- Salvato, Matteo (author)
- Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
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- De Crescenzi, Maurizio (author)
- Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
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- Castrucci, Paola (author)
- Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- English.
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In: Surfaces and Interfaces. - : Elsevier BV. - 2468-0230. ; 33
- Related links:
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Subject headings
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- In the last years, epitaxial graphene (epi-Gr) demonstrated to be an excellent substrate for the synthesis of epitaxial or intercalated two dimensional (2D) materials. Among 2D materials, silicene has been for a long time a dream for the scientific community, for its importance both from the fundamental and the application point of view. Despite the theoretical prediction of silicene energetic viability, experimentally the substrate proved to play a fundamental role in the Si atom adsorption process leading, in case of metal substrates, to a mixed phase formation and, for van der Waals chemical inert substrates, to Si atom intercalation even at room temperature. Such an intercalation has been associated to the presence of surface defects. Very recently it has been shown that hundreds of nanometer area quasi-free standing silicene can be grown on top of an almost ideal epi-Gr layer synthesized on 6H-SiC substrate. In the present paper, using scanning tunneling microscopy and Raman analysis, we demonstrate that a non-ideal (slightly defective) epi-Gr network obtained by thermal decomposition of Si-terminated 4H-SiC(0001) enables the Si atom penetration forming intercalated silicene nanosheets at room temperature, thus opening a path towards controlled intercalation of silicon atoms through epi-Gr and formation of silicene nanosheets for future applications in nanotechnology.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Silicene
- 2D materials
- Graphene
- Raman spectroscopy
- Scanning tunneling microscopy
- Van der Waals heterostructure
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Fabbri, Filippo
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Scarselli, Manue ...
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Shetty, Naveen, ...
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Kubatkin, Sergey ...
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Lara Avila, Samu ...
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Abel, Mathieu
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Berbezier, Isabe ...
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Vach, Holger
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Salvato, Matteo
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De Crescenzi, Ma ...
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Castrucci, Paola
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Surfaces and Int ...
- By the university
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Chalmers University of Technology