1.1k citations · 2.5k across the 17 of their papers we have counts for
17 papers
Dielectric breakdown and sub-wavelength patterning of monolayer hexagonal boron nitride using femtosecond pulses
Sabeeh Irfan Ahmad, Emmanuel Sarpong, Arpit Dave +6
Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional (2D) material for many applications in photonics. Although its linear and nonlinear optical properties have…
Tomography Scan of Charge Density Wave in NbSe2
Jyun-Yu Wu, Yung-Ting Lee, Guan-Hao Chen +15
Charge density wave (CDW) resulted from a small distortion in the lattice is able to create new orders beyond the original lattice. In 2H-NbSe2, one of the layered transition metal…
Efficient Multiple Exciton Generation in Monolayer MoS2
Ashish Soni, Dushyant Kushavah, Li-Syuan Lu +2
Utilizing the excess energy of photoexcitation that is otherwise lost as thermal effects can improve the efficiency of next-generation light-harvesting devices. Multiple exciton ge…
Homoepitaxy of rhombohedral-stacked MoS2 with room temperature switchable ferroelectricity
Tilo H. Yang, Hsiang-Chi Hu, Fu-Xiang Rikudo Chen +13
The discovery of interfacial ferroelectricity in two-dimensional rhombohedral (3R)-stacked semiconductors opens up a new pathway for achieving ultrathin computing-in-memory devices…
Exciton-Driven Renormalization of Quasiparticle Band Structure in Monolayer MoS2
Yi Lin, Yang-hao Chan, Woojoo Lee +7
Optical excitation serves as a powerful approach to control the electronic structure of layered Van der Waals materials via many-body screening effects, induced by photoexcited fre…
Quantitative determination of interlayer electronic coupling at various critical points in bilayer MoS2
Wei-Ting Hsu, Jiamin Quan, Chi-Ruei Pan +7
Tailoring interlayer coupling has emerged as a powerful tool to tune the electronic structure of van der Waals (vdW) bilayers. One example is the usage of the moire pattern to crea…
Ultrafast Multi-Shot Ablation and Defect Generation in Monolayer Transition Metal Dichalcogenides
Joel M. Solomon, Sabeeh Irfan Ahmad, Arpit Dave +5
Transition metal dichalcogenides are known to possess large optical nonlinearities and driving these materials at high intensities is desirable for many applications. Understanding…
Ultrafast Laser Ablation, Intrinsic Threshold, and Nanopatterning of Monolayer Molybdenum Disulfide
Joel M. Solomon, Sabeeh Irfan Ahmad, Arpit Dave +7
Laser direct writing is an attractive method for patterning 2D materials without contamination. Literature shows that the femtosecond ablation threshold of graphene across substrat…
Single-crystal hexagonal boron nitride monolayer epitaxially grown on Cu (111) thin film across a wafer
Tse-An Chen, Chih-Piao Chuu, Chien-Chih Tseng +9
We demonstrate single crystal growth of wafer-scale hexagonal boron nitride (hBN), an insulating atomic thin monolayer, on high-symmetry index surface plane Cu(111). The unidirecti…
Momentum resolved ground/excited states and the ultra-fast excited state dynamics of monolayer MoS2
Woojoo Lee, Yi Lin, Li-Shuan Lu +6
The emergence of transition metal dichalcogenides (TMD) as crystalline atomically thin semiconductors has created a tremendous amount of scientific and technological interest. Many…
Purely in-plane ferroelectricity in monolayer SnS at room temperature
N. Higashitarumizu, H. Kawamoto, C. -J. Lee +7
2D van der Waals ferroelectric semiconductors have emerged as an attractive building block with immense potential to provide multifunctionality in nanoelectronics. Although several…
Ultralow Schottky Barriers in hBN-Encapsulated Monolayer WSe Tunnel Field-Effect Transistors
Gaurav Pande, Jyun-Yan Siao, Wei-Liang Chen +7
To explore the potential of field-effect transistors (FETs) based on monolayers of the two-dimensional semiconducting channel(SC) for spintronics, the two most important issues are…
Moiré Potential Impedes Interlayer Exciton Diffusion in van der Waals Heterostructures
Junho Choi, Wei-Ting Hsu, Li-Syuan Lu +16
The properties of van der Waals (vdW) heterostructures are drastically altered by a tunable moiré superlattice arising from periodic variations of atomic alignment between the laye…
Tailoring excitonic states of van der Waals bilayers through stacking configuration, band alignment and valley-spin
Wei-Ting Hsu, Bo-Han Lin, Li-Syuan Lu +6
Excitons in monolayer semiconductors have large optical transition dipole for strong coupling with light field. Interlayer excitons in heterobilayers, with layer separation of elec…
Single Crystalline Silver Films for Plasmonics: From Monolayer to Optically Thick Film
Fei Cheng, Chien-Ju Lee, Junho Choi +7
Epitaxial growth of single crystalline noble metals on dielectric substrates has received tremendous attention recently due to their technological potentials as low loss plasmonic…
Large-Area Two-Dimensional Layered MoTe by Physical Vapor Deposition and Solid-Phase Crystallization in a Tellurium-Free Atmosphere
Jyun-Hong Huang, Kuang-Ying Deng, Pang-Shiuan Liu +5
Molybdenum ditelluride (MoTe) has attracted considerable interest for nanoelectronic, optoelectronic, spintronic, and valleytronic applications because of its modest band gap,…
Large-Area Aiming Synthesis of WSe2 Monolayers
Jing-Kai Huang, Jiang Pu, Chih-Piao Chuu +9
The monolayer transition metal dichalcogenides have recently attracted much attention owing to their potential in valleytronics, flexible and low-power electronics and optoelectron…