Electrostatic doping of graphene through ultrathin hexagonal boron nitride films

M Bokdam, PA Khomyakov, G Brocks, Z Zhong… - Nano …, 2011 - ACS Publications
When combined with graphene, hexagonal boron nitride (h-BN) is an ideal substrate and
gate dielectric with which to build metal| h-BN| graphene field-effect devices. We use first …

Tunable band gaps in bilayer graphene− BN heterostructures

A Ramasubramaniam, D Naveh, E Towe - Nano letters, 2011 - ACS Publications
We investigate band gap tuning of bilayer graphene between hexagonal boron nitride
sheets, by external electric fields. Using density functional theory, we show that the gap is …

Integration of hexagonal boron nitride with quasi-freestanding epitaxial graphene: toward wafer-scale, high-performance devices

MS Bresnehan, MJ Hollander, M Wetherington… - ACS …, 2012 - ACS Publications
Hexagonal boron nitride (h-BN) is a promising dielectric material for graphene-based
electronic devices. Here we investigate the potential of h-BN gate dielectrics, grown by …

Graphene field-effect transistors based on boron–nitride dielectrics

I Meric, CR Dean, N Petrone, L Wang… - Proceedings of the …, 2013 - ieeexplore.ieee.org
Two-dimensional atomic sheets of graphene represent a new class of nanoscale materials
with potential applications in electronics. However, exploiting the intrinsic characteristics of …

Substrate-induced band gap in graphene on hexagonal boron nitride: Ab initio density functional calculations

G Giovannetti, PA Khomyakov, G Brocks, PJ Kelly… - Physical Review B …, 2007 - APS
We determine the electronic structure of a graphene sheet on top of a lattice-matched
hexagonal boron nitride (h-BN) substrate using ab initio density functional calculations. The …

Bilayer graphene on h-BN substrate: investigating the breakdown voltage and tuning the bandgap by electric field

JE Padilha, RB Pontes, A Fazzio - Journal of Physics: Condensed …, 2012 - iopscience.iop.org
By performing density functional theory calculations we show that it is possible to make the
electronic bandgap in bilayer graphene supported on hexagonal boron nitride (h-BN) …

Why the band gap of graphene is tunable on hexagonal boron nitride

E Kan, H Ren, F Wu, Z Li, R Lu, C Xiao… - The Journal of …, 2012 - ACS Publications
The electronic properties of a graphene–boron nitride (G/BN) bilayer have been carefully
investigated by first-principles calculations. We find that the energy gap of graphene is …

Interlayer coupling enhancement in graphene/hexagonal boron nitride heterostructures by intercalated defects or vacancies

S Park, C Park, G Kim - The Journal of chemical physics, 2014 - pubs.aip.org
Hexagonal boron nitride (hBN), a remarkable material with a two-dimensional atomic crystal
structure, has the potential to fabricate heterostructures with unusual properties. We perform …

Local atomic and electronic structure of boron chemical doping in monolayer graphene

L Zhao, M Levendorf, S Goncher, T Schiros… - Nano …, 2013 - ACS Publications
We use scanning tunneling microscopy and X-ray spectroscopy to characterize the atomic
and electronic structure of boron-doped and nitrogen-doped graphene created by chemical …

Electronic structure and quantum transport properties of trilayers formed from graphene and boron nitride

X Zhong, RG Amorim, RH Scheicher, R Pandey… - Nanoscale, 2012 - pubs.rsc.org
We report the results of a theoretical study of graphene/BN/graphene and BN/graphene/BN
trilayers using the van-der-Waals-corrected density functional theory in conjunction with the …