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Institution

Division of IT Convergence Engineering

About: Division of IT Convergence Engineering is a based out in . It is known for research contribution in the topics: Graphene & Network management. The organization has 63 authors who have published 140 publications receiving 4172 citations.

Papers published on a yearly basis

Papers
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Journal ArticleDOI
TL;DR: The existing technologies and a wide array of past and state-of-the-art projects on network virtualization are surveyed followed by a discussion of major challenges in this area.

1,235 citations

Journal ArticleDOI
19 Apr 2011-ACS Nano
TL;DR: It is identified that defects close to the edges and relatively small values of edge roughness preserve the quasi-ballistic nature of electronic transport, which presents a route of independently controlling electrical and thermal transport by judicious engineering of the defect distribution.
Abstract: The influence of the structural detail and defects on the thermal and electronic transport properties of graphene nanoribbons (GNRs) is explored by molecular dynamics and non-equilibrium Green’s function methods. A variety of randomly oriented and distributed defects, single and double vacancies, Stone−Wales defects, as well as two types of edge form (armchair and zigzag) and different edge roughnesses are studied for model systems similar in sizes to experiments (>100 nm long and >15 nm wide). We observe substantial reduction in thermal conductivity due to all forms of defects, whereas electrical conductance reveals a peculiar defect-type-dependent response. We find that a 0.1% single vacancy concentration and a 0.23% double vacancy or Stone−Wales concentration lead to a drastic reduction in thermal conductivity of GNRs, namely, an 80% reduction from the pristine one of the same width. Edge roughness with an rms value of 7.28 A leads to a similar reduction in thermal conductivity. Randomly distributed bu...

323 citations

Journal ArticleDOI
TL;DR: This review examines the various properties of carbon nanostructures that allow such multi-functionality and recent advances on the development of novel approaches for functionalization, targeting and imaging via carbon nanstructures are discussed.
Abstract: Nanotechnology is providing exciting and new opportunities which are likely to revolutionize future clinical practice. The use of nanoparticles for biomedical applications is particularly exciting due to their huge potential for multi-modal approaches. This includes their use as drug delivery vectors, imaging contrast agents, hyperthermia systems and molecular targeting. Their ability to cross biological barriers, for example the blood brain barrier, makes them attractive for potential treatments in neurological disorders. There is also great hope that nanostructures will serve as platforms in future cancer therapies. Current cancer fighting strategies consist primarily of surgery, radiation therapy and chemotherapy. Each of these treatments is bound by a limit, known as the therapeutic window, which, if exceeded, causes undue harm to the patient. In the ongoing quest to improve our therapeutic arsenal, nanoparticles are emerging as exciting structures for a new generation of multi-modal therapeutics. Within this context, carbon nanostructures are amongst the leading contenders as building blocks to deliver multi-function drug delivery platforms. This review examines the various properties of carbon nanostructures that allow such multi-functionality. Recent advances on the development of novel approaches for functionalization, targeting and imaging via carbon nanostructures are discussed.

175 citations

Journal ArticleDOI
04 Jan 2013-ACS Nano
TL;DR: The proposed magnetic ac excitation is superior compared to the previously proposed optically induced heating using lasers as it does not require transparent packaging and the functioning of Janus motors offers low toxicity; it is not dependent on the presence of the fuel molecules in solution.
Abstract: We present fuel-free locomotion of magnetic spherical Janus motors driven by magnetically induced thermophoresis—a self-diffusive propulsion of an object in any liquid media due to a local temperature gradient. Within this approach an ac magnetic field is applied to induce thermophoretic motion of the objects via heating a magnetic cap of the particles, while an additional dc magnetic field is used to orient Janus motors and guide their motion on a long time scale. Full control over the motion is achieved due to specific properties of ultrathin 100-nm-thick Permalloy (Py, Fe19Ni81 alloys) magnetic films resulting in a topologically stable magnetic vortex state in the cap structure of Janus motors. Realized here magnetically induced thermophoretic locomotion does not require catalytic chemical reactions that imply toxic reagents. In this respect, we addressed and successfully solved one of the main shortcomings in the field of artificial motors, namely being fully controlled and remain biocompatible. There...

167 citations

Journal ArticleDOI
TL;DR: The focus then centers on current synthesis strategies for graphene and their weaknesses in terms of electronics applications are highlighted, and the properties of graphene that make it so attractive as a material for electronics is introduced to the reader.
Abstract: Graphene has a multitude of striking properties that make it an exceedingly attractive material for various applications, many of which will emerge over the next decade. However, one of the most promising applications lie in exploiting its peculiar electronic properties which are governed by its electrons obeying a linear dispersion relation. This leads to the observation of half integer quantum hall effect and the absence of localization. The latter is attractive for graphene-based field effect transistors. However, if graphene is to be the material for future electronics, then significant hurdles need to be surmounted, namely, it needs to be mass produced in an economically viable manner and be of high crystalline quality with no or virtually no defects or grains boundaries. Moreover, it will need to be processable with atomic precision. Hence, the future of graphene as a material for electronic based devices will depend heavily on our ability to piece graphene together as a single crystal and define its edges with atomic precision. In this progress report, the properties of graphene that make it so attractive as a material for electronics is introduced to the reader. The focus then centers on current synthesis strategies for graphene and their weaknesses in terms of electronics applications are highlighted.

145 citations


Authors

Showing all 63 results

NameH-indexPapersCitations
Raouf Boutaba6751923936
Meyya Meyyappan6525317911
George A. Carlson6315019093
Gianaurelio Cuniberti6357215624
Daehee Hwang5722812710
M.J. Deen482977428
Seungjin Choi473037181
M. Meyyappan452296713
M. Jamal Deen392616180
James Won-Ki Hong302963561
Jong Kim271493090
Young-Joo Suh262512780
Evgeni B. Starikov24821751
Chansu Yu211051745
Ahmed Mehaoua211481738
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202110
20207
20193
20186
20177
201612