51 citations · 258 across the 17 of their papers we have counts for
18 papers
Nanoscopy of Excitons in Atomically Thin In-Plane Heterostructures with Nanointerfaces
Mahdi Ghafariasl, Tianyi Zhang, Sampath Gamage +8
Atomically sharp 2D in-plane heterostructures with nanoscale interfaces provide a powerful platform for tailoring optical and electrical properties at the nanoscale, enabling novel…
Sulfur Vacancy Related Optical Transitions in Graded Alloys of MoxW1-xS2 Monolayers
Mahdi Ghafariasl, Tianyi Zhang, Zachary D. Ward +6
Engineering the electronic bandgap is of utmost importance in diverse domains ranging from information processing and communication technology to sensing and renewable energy appli…
Full quantum theory for magnon transport in two-sublattice magnetic insulators and magnon junctions
TianYi Zhang, XiuFeng Han
Magnon, as elementary excitation in magnetic systems, can carry and transfer angular momentum. Due to the absence of Joule heat during magnon transport, researches on magnon transp…
Voltage-Controlled Magnon Transistor via Tunning Interfacial Exchange Coupling
Yizhan Wang, Tianyi Zhang, Jing Dong +4
Magnon transistors that can effectively regulate magnon transport by an electric field are desired for magnonics which aims to provide a Joule-heating free alternative to the conve…
Light-driven C-H bond activation mediated by 2D transition metal dichalcogenides
Jingang Li, Di Zhang, Zhongyuan Guo +17
C-H bond activation enables the facile synthesis of new chemicals. While C-H activation in short-chain alkanes has been widely investigated, it remains largely unexplored for long-…
Autonomous Investigations over WS and Au{111} with Scanning Probe Microscopy
John C. Thomas, Antonio Rossi, Darian Smalley +14
Individual atomic defects in 2D materials impact their macroscopic functionality. Correlating the interplay is challenging, however, intelligent hyperspectral scanning tunneling sp…
Trends on 3d Transition Metal Coordination on Monolayer MoS
He Liu, Walner Costa Silva, Leonardo Santana Gonçalves de Souza +13
Two-dimensional materials (2DM) have attracted much interest due to their distinct optical, electronic, and catalytic properties. These properties can be by tuned a range of method…
Second- and third-order optical susceptibilities in bidimensional semiconductors near excitons states
Lucas Lafeta, Aurea Corradi, Tianyi Zhang +6
Semiconducting Transition Metal Dichalcogenides (TMDs) have significant nonlinear optical effects. In this work we have used second-harmonic generation (SHG) and the four-wave mixi…
Directivity modulation of exciton emission using single dielectric nanospheres
Jie Fang, Mingsong Wang, Kan Yao +10
Coupling emitters with nanoresonators is an effective strategy to control light emission at the subwavelength scale with high efficiency. Low-loss dielectric nanoantennas hold part…
Vibronic response of a spin-1/2 state from a carbon impurity in two-dimensional WS
Katherine A. Cochrane, Jun-Ho Lee, Christoph Kastl +9
We demonstrate the creation of a spin-1/2 state via the atomically controlled generation of magnetic carbon radical ions (CRIs) in synthetic two-dimensional transition metal dichal…
Impact of 150keV and 590keV proton irradiation on monolayer MoS2
Burcu Ozden, Ethan Khan, Sunil Uprety +6
We present a comprehensive study on the effects of proton irradiation at different energies (150 and 590 keV) with the fluence of 1x 1012 proton/cm2 on monolayer MoS2. This study n…
Wafer-scale epitaxial growth of single orientation WS2 monolayers on sapphire
Mikhail Chubarov, Tanushree H. Choudhury, Danielle Reifsnyder Hickey +8
Realization of wafer-scale single-crystal films of transition metal dichalcogenides (TMDs) such as tungsten sulfide requires epitaxial growth and coalescence of oriented domains to…
Photo-degradation Protection in 2D In-Plane Heterostructures Revealed by Hyperspectral Nanoimaging: the Role of Nano-Interface 2D Alloys
Alireza Fali, Tianyi Zhang, Jason Patrick Terry +8
Single-layer heterostructures exhibit striking quasiparticle properties and many-body interaction effects that hold promise for a range of applications. However, their properties c…
Monolayer Vanadium-doped Tungsten Disulfide: A Room-Temperature Dilute Magnetic Semiconductor
Fu Zhang, Boyang Zheng, Amritanand Sebastian +18
Dilute magnetic semiconductors, achieved through substitutional doping of spin-polarized transition metals into semiconducting systems, enable experimental modulation of spin dynam…
Nanoscale patterning of quasiparticle band alignment
Søren Ulstrup, Cristina E. Giusca, Jill A. Miwa +10
Control of atomic-scale interfaces between materials with distinct electronic structures is crucial for the design and fabrication of most electronic devices. In the case of two-di…
Nonlinear dark-field imaging of 1D defects in monolayer dichalcogenides
Bruno R. Carvalho, Yuanxi Wang, Kazunori Fujisawa +10
Extended defects with one dimensionality smaller than that of the host, such as 2D grain boundaries in 3D materials or 1D grain boundaries in 2D materials, can be particularly dama…
Dark-Exciton-Mediated Fano Resonance from a Single Gold Nanostructure Deposited on Monolayer WS2 at Room Temperature
Mingsong Wang, Zilong Wu, Alex Krasnok +8
Strong spatial confinement and highly reduced dielectric screening provide monolayer transition metal dichalcogenides (TMDCs) with strong many-body effects, thereby possessing opti…
Tunable Resonance Coupling in Single Si Nanoparticle-Monolayer WS2 Structures
Sergey Lepeshov, Mingsong Wang, Alex Krasnok +8
Two-dimensional semiconducting transition metal dichalcogenides (TMDCs) are extremely attractive materials for optoelectronic applications in the visible and near-IR range. Here, w…