Defect-assisted wavelength dependence of one photon and multiphoton absorptions in a composite nanofiber of polyvinylpyrrolidone and hexagonal boron nitride

Y Pepe, S Akkoyun, B Bozkurt, A Karatay… - Journal of Materials …, 2023 - pubs.rsc.org
Polyvinylpyrrolidone/hexagonal boron nitride (PVP/hBN) composite nanofibers were
produced by the electrospinning method at 4, 6, and 8 wt% concentration of hBN in an effort …

Turn of the decade: versatility of 2D hexagonal boron nitride

AF Rigosi, AL Levy, MR Snure… - Journal of Physics …, 2021 - iopscience.iop.org
The era of two-dimensional (2D) materials, in its current form, truly began at the time that
graphene was first isolated just over 15 years ago. Shortly thereafter, the use of 2D …

Quantum-dot assisted spectroscopy of degeneracy-lifted Landau levels in graphene

I Keren, T Dvir, A Zalic, A Iluz, D LeBoeuf… - Nature …, 2020 - nature.com
Energy spectroscopy of strongly interacting phases requires probes which minimize
screening while retaining spectral resolution and local sensitivity. Here, we demonstrate that …

Transient response of h-BN-encapsulated graphene transistors: signatures of self-heating and hot-carrier trap**

J Nathawat, M Zhao, CP Kwan, S Yin… - ACS …, 2019 - ACS Publications
We use transient electrical measurements to investigate the details of self-heating and
charge trap** in graphene transistors encapsulated in hexagonal boron nitride (h-BN) and …

Defect assisted optical limiting performance of hexagonal boron nitride nanosheets in aqueous suspension and PMMA nanocomposite films

BA Unlu, A Karatay, EA Yildiz, ML Yola, M Yuksek… - Optical Materials, 2021 - Elsevier
Defect-assisted nonlinear absorption (NLA) and optical limiting (OL) performance of
hexagonal boron nitride nanosheets (h-BNNS) in aqueous suspension and in polymethyl …

Tunneling spectroscopy of two-dimensional materials based on via contacts

Q Cao, EJ Telford, A Benyamini, I Kennedy… - Nano Letters, 2022 - ACS Publications
We introduce a novel planar tunneling architecture for van der Waals heterostructures based
on via contacts, namely, metallic contacts embedded into through-holes in hexagonal boron …

Tunneling spectroscopy of localized states of barriers in vertical van der Waals heterostructures

N Papadopoulos, P Gehring, K Watanabe, T Taniguchi… - Physical Review B, 2020 - APS
In transition metal dichalcogenides, defects have been found to play an important role,
affecting do**, spin-valley relaxation dynamics, and assisting in proximity effects of spin …

[HTML][HTML] Graphene Nanogap Interdigitated Asymmetric Electrodes for Photodetection

R Elkarous, A Bardaoui, J Borme, N Sghaier, P Alpuim… - Chemosensors, 2023 - mdpi.com
This work proposes a high-performance asymmetric gold/graphene/platinum photodetector.
The new photodetector, operating without bias, integrates interdigitated 100 nm spaced …

Defect-assisted tunneling spectroscopy of electronic band structure in twisted bilayer graphene/hexagonal boron nitride moiré superlattices

Y Seo, S Masubuchi, M Onodera, R Moriya… - Applied Physics …, 2022 - pubs.aip.org
We report the demonstration of defect-assisted tunneling spectroscopy of the electronic
band structure in twisted bilayer graphene (tBLG)/hexagonal boron nitride (h-BN) moiré …

Tunneling in graphene/h-BN/graphene heterostructures through zero-dimensional levels of defects in h-BN and their use as probes to measure the density of states of …

YN Khanin, EE Vdovin, MV Grigor'ev, O Makarovsky… - JETP Letters, 2019 - Springer
The evolution of the manifestation of levels of defects in h-BN in tunneling through
graphene/h-BN/graphene heterostructures with various degrees of perfection, from …