Journal ArticleDOI
Carbon-based electronics.
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TLDR
This work reviews the progress that has been made with carbon nanotubes and, more recently, graphene layers and nanoribbons and suggests that it could be possible to make both electronic and optoelectronic devices from the same material.Abstract:
The semiconductor industry has been able to improve the performance of electronic systems for more than four decades by making ever-smaller devices. However, this approach will soon encounter both scientific and technical limits, which is why the industry is exploring a number of alternative device technologies. Here we review the progress that has been made with carbon nanotubes and, more recently, graphene layers and nanoribbons. Field-effect transistors based on semiconductor nanotubes and graphene nanoribbons have already been demonstrated, and metallic nanotubes could be used as high-performance interconnects. Moreover, owing to the excellent optical properties of nanotubes it could be possible to make both electronic and optoelectronic devices from the same material.read more
Citations
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A tunable positive and negative photoconductive photodetector based on a gold/graphene/p-type silicon heterojunction
TL;DR: In this paper, an interdigitated gold nanofilm was introduced on graphene, supported by a p-type silicon substrate, as an optoelectronic photodetector based on an Au/graphene/p-Si heterojunction by a low-cost method.
Journal ArticleDOI
Photo‐induced Free Radical Modification of Graphene
TL;DR: Novel photochemical approaches have been developed to achieve efficient graphene modification and bandgap modulation, following a general concept of "Photochemical Bandgap Engineering of Graphene".
Journal ArticleDOI
Graphene Nanoribbon as Potential On-Chip Interconnect Material—A Review
Arnab Hazra,Sukumar Basu +1 more
TL;DR: In this article, the structural and electrical properties of single and multilayer graphene nanoribbons are discussed in detail also, the fabrication techniques are discussed so as to pattern the graphene nano-ibbons for interconnect application and measurement, and the corresponding simulated results are compared with the measured data.
Journal ArticleDOI
Lanczos transformation for quantum impurity problems in d-dimensional lattices: Application to graphene nanoribbons
TL;DR: In this paper, an unbiased and controlled numerical method to solve quantum impurity problems in d-dimensional lattices is presented, based on a canonical transformation of the Lanczos form, where the complete lattice Hamiltonian is exactly mapped onto an equivalent one dimensional system, in the same spirit as Wilson's numerical renormalization.
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Dirac fermions in blue-phosphorus
Yuanchang Li,Xiaobin Chen +1 more
TL;DR: In this paper, the energy levels of the in-plane (s, px, and py) and out-ofplane (pz) oribtals through the sp2 configuration, yielding respective σ- and π-character Dirac cones, and then quench the latter.
References
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Journal ArticleDOI
Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
TL;DR: Monocrystalline graphitic films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands and they exhibit a strong ambipolar electric field effect.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
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Two-dimensional gas of massless Dirac fermions in graphene
Kostya S. Novoselov,A. K. Geim,Sergey V. Morozov,Da Jiang,Mikhail I. Katsnelson,Irina V. Grigorieva,S. V. Dubonos,A. A. Firsov +7 more
TL;DR: This study reports an experimental study of a condensed-matter system (graphene, a single atomic layer of carbon) in which electron transport is essentially governed by Dirac's (relativistic) equation and reveals a variety of unusual phenomena that are characteristic of two-dimensional Dirac fermions.
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Experimental observation of the quantum Hall effect and Berry's phase in graphene
TL;DR: In this paper, an experimental investigation of magneto-transport in a high-mobility single layer of Graphene is presented, where an unusual half-integer quantum Hall effect for both electron and hole carriers in graphene is observed.