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Optical conductivity renormalization of graphene on SrTiO due to resonant excitonic effects mediated by Ti 3\textit{d} orbitals
Pranjal Kumar Gogoi, Paolo E. Trevisanutto, Ming Yang +10
We present evidence of a drastic renormalization of the optical conductivity of graphene on SrTiO resulting in almost full transparency in the ultraviolet region. These finding…
Electrical characterization of fully encapsulated ultra thin black phosphorus-based heterostructures with graphene contacts
Ahmet Avsar, Ivan J. Vera-Marun, Tan Jun You +4
The presence of finite bandgap and high mobility in semiconductor few-layer black phosphorus offers an attractive prospect for using this material in future two-dimensional electro…
Spin-Orbit Proximity Effect in Graphene
Ahmet Avsar, Jun You Tan, Jayakumar Balakrishnan +9
The development of a spintronics device relies on efficient generation of spin polarized currents and their electric field controlled manipulation. While observation of exceptional…
Direct dry transfer of chemical vapor deposition graphene to polymeric substrates
Guilhermino J. M. Fechine, Inigo Martin-Fernandez, George Yiapanis +5
We demonstrate the direct dry transfer of large area Chemical Vapor Deposition graphene to several polymers (low density polyethylene, high density polyethylene, polystyrene, polyl…
Infrared nano-spectroscopy and imaging of collective superfluid excitations in conventional and high-temperature superconductors
H. T. Stinson, J. S. Wu, B. Y. Jiang +8
We investigate near-field infrared spectroscopy and superfluid polariton imaging experiments on conventional and unconventional superconductors. Our modeling shows that near-field…
Electronic transport in graphene-based heterostructures
J. Y. Tan, A. Avsar, J. Balakrishnan +8
While boron nitride (BN) substrates have been utilized to achieve high electronic mobilities in graphene field effect transistors, it is unclear how other layered two dimensional (…
Scattering theory of spin-orbit active adatoms on graphene
Alexandre Pachoud, Aires Ferreira, B. Özyilmaz +1
The scattering of two-dimensional massless Dirac fermions from local spin-orbit interactions with an origin in dilute concentrations of physisorbed atomic species on graphene is th…
Electric field effect in ultrathin black phosphorus
Steven P. Koenig, Rostislav A. Doganov, Hennrik Schmidt +2
Black phosphorus exhibits a layered structure similar to graphene, allowing mechanical exfoliation of ultrathin single crystals. Here we demonstrate few-layer black phosphorus fiel…
Van der Waals forces and electron-electron interactions in two strained graphene layers
Anand Sharma, Peter Harnish, Alexander Sylvester +2
We evaluate the van der Waals (vdW) interaction energy at zero temperature between two undoped strained graphene layers separated by a finite distance. We consider the following th…
Photocarrier relaxation in two-dimensional semiconductors
Daichi Kozawa, Rajeev Kumar, Alexandra Carvalho +8
Two-dimensional (2D) crystals of semiconducting transition metal dichalcogenides (TMD) absorb a large fraction of incident photons in the visible frequencies despite being atomical…
Transport properties of monolayer MoS grown by chemical vapour deposition
Hennrik Schmidt, Shunfeng Wang, Leiqiang Chu +8
Recent success in the growth of monolayer MoS via chemical vapor deposition (CVD) has opened up prospects for the implementation of these materials into thin film electronic an…