Synthesis of AAB‐Stacked Single‐Crystal Graphene/hBN/Graphene Trilayer van der Waals Heterostructures by In Situ CVD
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202201324
Abstract: van der Waals heterostructures based on graphene and hBN layers with different stacking modes are receiving considerable attention because of their potential application in fundamental physics. However, conventional exfoliation fabrication methods and layer‐by‐layer transfer techniques… read more here.
Keywords: graphene; single crystal; van der; graphene hbn ... See more keywords
Enhanced Near-Field Radiative Heat Transfer between Graphene/hBN Systems.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202108032
Abstract: Near-field radiative heat transfer (NFRHT) can exceed the blackbody radiation limit owing to the coupled evanescent waves, implying a significant potential for energy conversion and thermal management. Coupled surface plasmon polaritons (SPPs) and hyperbolic phonon… read more here.
Keywords: graphene; graphene hbn; near field; field radiative ... See more keywords
MD-based design of bilayer graphene-hBN heterostructures: An insight into enhanced thermal transport
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.119282
Abstract: Abstract The effective thermal properties, such as thermal conductivity, are of the most importance to explore the viability of using graphene-hBN van der Waals heterostuctures in nanoelectronic systems. Here, the thermal transport in hBN-graphene heterostructures… read more here.
Keywords: graphene hbn; hbn; graphene; thermal transport ... See more keywords
Tunable propagation of surface plasmon-phonon polaritons in graphene-hBN metamaterials
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2021.107232
Abstract: Abstract We present a detailed study on the tunable propagation derived from the coupled surface plasmon–phonon polaritons (SPPPs) with the effective medium theory (EMT) in graphene-hBN metamaterials (MMs). Four reststrahlen bands (RBs) are observed, two… read more here.
Keywords: propagation; tunable propagation; surface plasmon; plasmon phonon ... See more keywords
Band gap variation in bi, tri and few-layered 2D graphene/hBN heterostructures
Sign Up to like & getrecommendations! Published in 2021 at "Solid State Communications"
DOI: 10.1016/j.ssc.2021.114553
Abstract: Abstract For the last years, there has been growing interest in the band gap study of 2D heterostructures due to high expectations of developing a new generation of electronic devices. In this work, using density… read more here.
Keywords: gap; band gap; graphene hbn; gap variation ... See more keywords
Eddy Current Measurement of Chemiresistive Sensing Transients in Graphene-hBN Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS sensors"
DOI: 10.1021/acssensors.2c01845
Abstract: The development of graphene-based electronic and gas sensing devices has motivated considerable research interest in the properties of graphene-hBN heterostructures. Eddy current measurements of the sheet conductance of graphene-hBN heterostructures show a relatively low conductance,… read more here.
Keywords: graphene hbn; heterostructures eddy; eddy current; hbn heterostructures ... See more keywords
Probing the shear modulus of two-dimensional multiplanar nanostructures and heterostructures.
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale"
DOI: 10.1039/c7nr07261a
Abstract: Generalized high-fidelity closed-form formulae have been developed to predict the shear modulus of hexagonal graphene-like monolayer nanostructures and nano-heterostructures based on a physically insightful analytical approach. Hexagonal nano-structural forms (top view) are common for nanomaterials… read more here.
Keywords: shear modulus; graphene hbn; multiplanar; two dimensional ... See more keywords
Direct imaging of interlayer-coupled symmetric and antisymmetric plasmon modes in graphene/hBN/graphene heterostructures.
Sign Up to like & getrecommendations! Published in 2021 at "Nanoscale"
DOI: 10.1039/d1nr03210k
Abstract: Much of the richness and variety of physics today are based on coupling phenomena where multiple interacting systems hybridize into new ones with completely distinct attributes. Recent development in building van der Waals (vdWs) heterostructures… read more here.
Keywords: graphene hbn; graphene; imaging interlayer; direct imaging ... See more keywords
Multilayer graphene on hBN substrate waveguide modulator
Sign Up to like & getrecommendations! Published in 2020 at "Iet Optoelectronics"
DOI: 10.1049/iet-opt.2019.0008
Abstract: A multilayer graphene-based optical modulator is proposed in this study. The structure is made of several layers of graphene on hexagonal boron nitride (hBN), working at 193 to 200 THz (1.5 to 1.55 µm) band. In this… read more here.
Keywords: modulator; graphene; multilayer graphene; substrate waveguide ... See more keywords
Large spatial shifts of reflective beam at the surface of graphene/hBN metamaterials.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.420925
Abstract: We theoretically studied the Goos-Hänchen (GH) and Imbert-Fedorov (IF) shifts of reflective beam at the surface of graphene/hBN metamaterials. The results show that the GH-shift is significantly enhanced and also possesses the large reflectivity when… read more here.
Keywords: beam surface; shifts reflective; graphene hbn; surface graphene ... See more keywords
Influence of Hexagonal Boron Nitride on Electronic Structure of Graphene
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27123740
Abstract: By performing first-principles calculations, we studied hexagonal-boron-nitride (hBN)-supported graphene, in which moiré structures are formed due to lattice mismatch or interlayer rotation. A series of graphene/hBN systems has been studied to reveal the evolution of… read more here.
Keywords: hexagonal boron; graphene; boron nitride; graphene hbn ... See more keywords