Photodetectors of 2D materials from ultraviolet to terahertz waves

Q Qiu, Z Huang - Advanced Materials, 2021 - Wiley Online Library
Abstract 2D materials are considered to be the most promising materials for photodetectors
due to their unique optical and electrical properties. Since the discovery of graphene, many …

Recent developments in fractional Chern insulators

Z Liu, EJ Bergholtz - arXiv preprint arXiv:2208.08449, 2022 - arxiv.org
Fractional Chern insulators (FCIs) are lattice generalizations of the conventional fractional
quantum Hall effect (FQHE) in two-dimensional (2D) electron gases. They typically arise in a …

Interplay of fractional Chern insulator and charge density wave phases in twisted bilayer graphene

P Wilhelm, TC Lang, AM Läuchli - Physical Review B, 2021 - APS
We perform an extensive exact diagonalization study of interaction-driven insulators in spin-
and valley-polarized moiré flat bands of twisted bilayer graphene aligned with its hexagonal …

Tuning the many-body interactions in a helical Luttinger liquid

J Jia, E Marcellina, A Das, MS Lodge, BK Wang… - Nature …, 2022 - nature.com
Abstract In one-dimensional (1D) systems, electronic interactions lead to a breakdown of
Fermi liquid theory and the formation of a Tomonaga-Luttinger Liquid (TLL). The strength of …

Tailoring the band structure of twisted double bilayer graphene with pressure

B Szentpéteri, P Rickhaus, FK de Vries, A Márffy… - Nano Letters, 2021 - ACS Publications
Twisted two-dimensional structures open new possibilities in band structure engineering. At
magic twist angles, flat bands emerge, which gave a new drive to the field of strongly …

Ultra-high responsivity and enhanced trap assisted charge transfer by utilizing Ti3C2TX (MXene) as a transport layer for ReS2 based flexible broadband …

V Selamneni, V Adepu, H Raghavan, P Sahatiya - FlatChem, 2022 - Elsevier
Even though there are many reports on low-cost flexible broadband photodetector the main
issue is the low value of the responsivity due to non-uniformity of the substrate. The reason …

Exploring the optoelectronic and third-order nonlinear optical susceptibility of cross-shaped molecules: insights from molecule to material level

RA Shehzad, S Muhammad, J Iqbal… - Journal of Molecular …, 2021 - Springer
In the present investigation, we use a dual computational approach (at single molecular and
solid-state levels) to explore the optoelectronic and nonlinear optical (NLO) properties of …

Manipulation and characterization of submillimeter shearing contacts in graphite by the micro-dome technique

D Yang, C Qu, Y Gongyang… - ACS Applied Materials & …, 2023 - ACS Publications
Manipulation techniques are the key to measuring fundamental properties of layered
materials and their monolayers (2D materials) on the micro-and nanoscale as well as a …

Spontaneous Spin and Valley Symmetry-Broken States of Interacting Massive Dirac Fermions in a Bilayer Graphene Quantum Dot

M Korkusinski, Y Saleem, A Dusko, D Miravet… - Nano Letters, 2023 - ACS Publications
We predict the existence of spontaneous spin and valley symmetry-broken states of
interacting massive Dirac Fermions in a gated bilayer graphene quantum dot based on the …

Bimetallic tungstate nanoparticle-decorated-lignin electrodes for flexible supercapacitors

S Jha, S Mehta, E Chen, SS Sankar, S Kundu… - Materials …, 2020 - pubs.rsc.org
Bimetallic tungstates (M2M1WO4; M= transition metal) are promising candidates for
electrochemical energy applications. However, the effects of the secondary metal (M2) on …