Publications (13)
Heterostructures produced from nanosheet-based inks
F. Withers, H. Yang, L. Britnell +13
The new paradigm of heterostructures based on two-dimensional (2D) atomic crystals has already led to the observation of exciting physical phenomena and creation of novel devices.…
Hunting for Monolayer Boron Nitride: Optical and Raman Signatures
R. V. Gorbachev, I. Riaz, R. R. Nair +9
We describe the identification of single- and few- layer boron nitride. Its optical contrast is much smaller than that of graphene but even monolayers are discernable by optimizing…
Strong Plasmonic Enhancement of Photovoltage in Graphene
T. J. Echtermeyer, L. Britnell, P. K. Jasnos +6
Amongst the wide spectrum of potential applications of graphene, ranging from transistors and chemical-sensors to nanoelectromechanical devices and composites, the field of photoni…
Graphene bubbles with controllable curvature
T. Georgiou, L. Britnell, P. Blake +5
Raised above the substrate and elastically deformed areas of graphene in the form of bubbles are found on different substrates. They come in a variety of shapes, including those wh…
Graphene-protected copper and silver plasmonics
V. G. Kravets, R. Jalil, Y. -J. Kim +12
Plasmonics has established itself as a branch of physics which promises to revolutionize data processing, improve photovoltaics, increase sensitivity of bio-detection. A widespread…
Micrometer-scale ballistic transport in encapsulated graphene at room temperature
A. S. Mayorov, R. V. Gorbachev, S. V. Morozov +8
Devices made from graphene encapsulated in hexagonal boron-nitride exhibit pronounced negative bend resistance and an anomalous Hall effect, which are a direct consequence of room-…
Field-effect tunneling transistor based on vertical graphene heterostructures
L. Britnell, R. V. Gorbachev, R. Jalil +10
We report a bipolar field effect tunneling transistor that exploits to advantage the low density of states in graphene and its one atomic layer thickness. Our proof-of-concept devi…
Cross-sectional imaging of individual layers and buried interfaces of graphene-based heterostructures and superlattices
S. J. Haigh, A. Gholinia, R. Jalil +7
By stacking various two-dimensional (2D) atomic crystals [1] on top of each other, it is possible to create multilayer heterostructures and devices with designed electronic propert…
Fluorographene: Two Dimensional Counterpart of Teflon
R. R. Nair, W. C. Ren, R. Jalil +16
We report a stoichiometric derivative of graphene with a fluorine atom attached to each carbon. Raman, optical, structural, micromechanical and transport studies show that the mate…
Commensurate-incommensurate transition for graphene on hexagonal boron nitride
C. R. Woods, L. Britnell, A. Eckmann +18
When a crystal is subjected to a periodic potential, under certain circumstances (such as when the period of the potential is close to the crystal periodicity; the potential is str…
Resonant tunnelling and negative differential conductance in graphene transistors
L. Britnell, R. V. Gorbachev, A. K. Geim +6
The chemical stability of graphene and other free-standing two-dimensional crystals means that they can be stacked in different combinations to produce a new class of functional ma…
Singular-phase nanooptics: towards label-free single molecule detection
V. G. Kravets, F. Schedin, R. Jalil +8
Non-trivial topology of phase is crucial for many important physics phenomena such as, for example, the Aharonov-Bohm effect 1 and the Berry phase 2. Light phase allows one to crea…
Doping Mechanisms in Graphene-MoS2 Hybrids
B. Sachs, L. Britnell, T. O. Wehling +6
We present a joint theoretical and experimental investigation of charge doping and electronic potential landscapes in hybrid structures composed of graphene and semiconducting sing…