The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.
Tunable Stress and Controlled Thickness Modification in Graphene by Annealing
Open accessAbstract
Graphene has many unique properties which make it an attractive material for fundamental study as well as for potential applications. In this paper, we report the first experimental study of process-induced defects and stress in graphene using Raman spectroscopy and imaging. While defects lead to the observation of defect-related Raman bands, stress causes shift in phonon frequency. A compressive stress (as high as 2.1 GPa) was induced in graphene by depositing a 5 nm SiO(2) followed by annealing, whereas a tensile stress ( approximately 0.7 GPa) was obtained by depositing a thin silicon capping layer. In the former case, both the magnitude of the compressive stress and number of graphene layers can be controlled or modified by the annealing temperature. As both the stress and thickness affect the physical properties of graphene, this study may open up the possibility of utilizing thickness and stress engineering to improve the performance of graphene-based devices. Local heating techniques may be used to either induce the stress or reduce the thickness selectively.
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Citations
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Van der Waals integration before and beyond two-dimensional materials
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Tight-binding approach to uniaxial strain in graphene
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Controllable N-Doping of Graphene
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Understanding Pt Nanoparticle Anchoring on Graphene Supports through Surface Functionalization
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Metadata
- Authors
- Ni, Z. H., Wang, H. M., Ma, Y., Kasim, J., Wu, Y. H., & Shen, Z. X.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-05-01
- Volume
- 2
- Issue
- 5
- Pages
- 1033-1039
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2017283704
- Cited by
- 317
- References
- 23
- FWCI
- 9.94
- Type
- journal article
- Language
- en
- Open access
- green
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