279 citations · 1.3k across the 25 of their papers we have counts for
25 papers
Context-Aware Deep Learning for Defect Classification in Atomic-Resolution STEM
Jiadong Dan, Cheng Zhang, Leyi Loh +5
Artificial intelligence is rapidly advancing materials characterization, yet most applications in electron microscopy rely solely on image contrast, overlooking the chemical and ex…
Ferroelectric brightening of spin forbidden dark excitons in a WSe2/hybrid perovskite heterostructure
Xinyun Wang, Magdalena Grzeszczyk, Maxim Trushin +14
Long-lived dark excitons in monolayer WSe2 present promising candidates for carrying spin and valley information, but their optical access and spin manipulation have conventionally…
Strain-Mediated Lattice Reconstruction Enhances Ferromagnetism in Cr2Ge2Te6/WTe2 van der Waals Heterobilayers
Franz Herling, Mireia Torres-Sala, Dorye L. Esteras +17
Van der Waals (vdW) heterostructures enable tailored electronic and magnetic phases by stacking atomically thin layers with pristine interfaces. Here, we investigate fully 2D Cr2Ge…
Toward Phonon-Limited Transport in Two-Dimensional Electronics by Oxygen-Free Fabrication
Subhrajit Mukherjee, Shuhua Wang, Dasari Venkatakrishnarao +14
Future electronics require aggressive scaling of channel material thickness while maintaining device performance. Two-dimensional (2D) semiconductors are promising candidates, but…
Electrical control of valley polarized charged biexcitons in monolayer WS
Sarthak Das, Ding Huang, Ivan Verzhbitskiy +5
Excitons are key to the optoelectronic applications of van der Waals semiconductors with the potential for versatile on-demand tuning of properties. Yet, their electrical manipulat…
Symmetry breaking and spin-orbit coupling for individual vacancy-induced in-gap states in MoS2 monolayers
Thasneem Aliyar, Hongyang Ma, Radha Krishnan +10
Spins confined to point defects in atomically-thin semiconductors constitute well-defined atomic-scale quantum systems that are being explored as single photon emitters and spin qu…
Dielectrics for Two-Dimensional Transition Metal Dichalcogenide Applications
Chit Siong Lau, Sarthak Das, Ivan A. Verzhbitskiy +6
Despite over a decade of intense research efforts, the full potential of two-dimensional transition metal dichalcogenides continues to be limited by major challenges. The lack of c…
Nano-ironing van der Waals Heterostructures Towards Electrically Controlled Quantum Dots
Teymour Talha-Dean, Yaoju Tarn, Subhrajit Mukherjee +11
Assembling two-dimensional van der Waals layered materials into heterostructures is an exciting development that sparked the discovery of rich correlated electronic phenomena and o…
Spin-glass states generated in a van der Waals magnet by alkali-ion intercalation
S. Khan, E. S. Y. Aw, L. A. V. Nagle-Cocco +16
Tuning magnetic properties in layered van der Waals (vdW) materials has captured a significant attention due to the efficient control of ground-states by heterostructuring and exte…
Laser-induced topological spin switching in a 2D van der Waals magnet
Maya Khela, Maciej Dabrowski, Safe Khan +6
Two-dimensional (2D) van der Waals (vdW) magnets represent one of the most promising horizons for energy-efficient spintronic applications because their broad range of electronic,…
Liquid Metal Printed Ultrathin Oxides for Monolayer WS2 Top-Gate Transistors
Yiyu Zhang, Dasari Venkatakrishnarao, Michel Bosman +16
Two-dimensional (2D) semiconductors are promising channel materials for continued downscaling of complementary metal-oxide-semiconductor (CMOS) logic circuits. However, their full…
Probing spin dynamics of ultra-thin van der Waals magnets via photon-magnon coupling
Christoph W. Zollitsch, Safe Khan, Vu Thanh Trung Nam +9
Layered van der Waals (vdW) magnets can maintain a magnetic order even down to the single-layer regime and hold promise for integrated spintronic devices. While the magnetic ground…
Data-driven discovery of high performance layered van der Waals piezoelectric NbOI2
Yaze Wu, Ibrahim Abdelwahab, Ki Chang Kwon +8
Using high-throughput first-principles calculations to search for layered van der Waals materials with the largest piezoelectric stress coefficients, we discover NbOI2 to be the on…
Mode-center Placement of Monolayer WS in a Photonic Polymer Waveguide
Angelina Frank, Justin Zhou, James A. Grieve +8
Effective integration of 2D materials such as monolayer transition metal dichalcogenides (TMDs) into photonic waveguides and integrated circuits is being intensely pursued due to t…
Harnessing Exciton-Exciton Annihilation in Two-Dimensional Semiconductors
Eric Linardy, Dinesh Yadav, Daniele Vella +6
Strong many-body interactions in two-dimensional (2D) semiconductors give rise to efficient exciton-exciton annihilation (EEA). This process is expected to result in the generation…
Tailoring Magnetic Anisotropy in CrGeTe by Electrostatic Gating
Ivan. A. Verzhbitskiy, Hidekazu Kurebayashi, Haixia Cheng +4
Electrical control of magnetism of a ferromagnetic semiconductor offers exciting prospects for future spintronic devices for processing and storing information. Here, we report obs…
Measuring valley polarization in two-dimensional materials with second-harmonic spectroscopy
Yi Wei Ho, Henrique Guimarães Rosa, Ivan Verzhbitskiy +6
A population imbalance at different valleys of an electronic system lowers its effective rotational symmetry. We introduce a technique to measure such imbalance - a valley polariza…
A spin dynamics study in layered van der Waals single crystal, CrGeTe
S. Khan, C. W. Zollitsch, D. M. Arroo +6
We study the magnetisation dynamics of a bulk single crystal CrGeTe (CGT), by means of broadband ferromagnetic resonance (FMR), for temperatures from 60 K down to 2 K.…
Suppressed out-of-plane polarizability of free excitons in monolayer WSe
Ivan A. Verzhbitskiy, Daniele Vella, Kenji Watanabe +2
Monolayer semiconductors are atomically thin quantum wells with strong confinement of electrons in two-dimensional (2D) plane. Here, we experimentally study the out-of-plane polari…
Elastomeric waveguide on-chip coupling of an encapsulated MoS monolayer
Filip Auksztol, Daniele Vella, Ivan Verzhbitskiy +6
We propose a robust photonic platform for encapsulation and addressing of optically active 2D- and nano-materials. Our implementation utilises a monolayer of MoS transition met…
Characterization of the second- and third-harmonic optical susceptibilities of atomically thin tungsten diselenide
Henrique G. Rosa, Ho Yi Wei, Ivan Verzhbitskiy +6
We report the first detailed characterization of the sheet third-harmonic optical susceptibility, , of tungsten diselenide (WSe). With a home-built confocal micr…
Raman fingerprints of atomically precise graphene nanoribbons
Ivan A. Verzhbitskiy, Marzio De Corato, Alice Ruini +12
Bottom-up approaches allow the production of ultra-narrow and atomically precise graphene nanoribbons (GNRs), with electronic and optical properties controlled by the specific atom…
Engineering bandgaps of monolayer MoS2 and WS2 on fluoropolymer substrates by electrostatically tuned many-body effects
Bo Liu, Weijie Zhao, Zijing Ding +6
Intrinsic electrical and excitonic properties of monolayer transition metal dichalcogenides are studied on CYTOP fluoropolymer substrates with greatly suppressed unintentional dopi…
Exciton-plasmon Coupling and Electromagnetically Induced Transparency in Monolayer Semiconductors Hybridized with Ag Nanoparticles
Zhao Weijie, Wang Shunfeng, Liu Bo +9
Hybrid systems of excitons strongly coupled to localized surface plasmons supported by metallic nanoparticles define a new approach to control light-matter interactions. Here, we r…