Search Results - "Ang, L K"
-
1
Universal Scaling Laws in Schottky Heterostructures Based on Two-Dimensional Materials
Published in Physical review letters (01-08-2018)“…We identify a new universality in the carrier transport of two-dimensional (2D) material-based Schottky heterostructures. We show that the reversed saturation…”
Get full text
Journal Article -
2
Two-dimensional van der Waals electrical contact to monolayer MoSi2N4
Published in Applied physics letters (04-01-2021)“…A two-dimensional (2D) MoSi2N4 monolayer is an emerging class of air-stable 2D semiconductors possessing exceptional electrical and mechanical properties…”
Get full text
Journal Article -
3
Pushing the limits of CMOS optical parametric amplifiers with USRN:Si7N3 above the two-photon absorption edge
Published in Nature communications (04-01-2017)“…CMOS platforms operating at the telecommunications wavelength either reside within the highly dissipative two-photon regime in silicon-based optical devices,…”
Get full text
Journal Article -
4
Enhanced stability of filament-type resistive switching by interface engineering
Published in Scientific reports (02-05-2017)“…The uncontrollable rupture of the filament accompanied with joule heating deteriorates the resistive switching devices performance, especially on endurance and…”
Get full text
Journal Article -
5
Thermionic Energy Conversion Based on Graphene van der Waals Heterostructures
Published in Scientific reports (07-04-2017)“…Seeking for thermoelectric (TE) materials with high figure of merit (or ZT), which can directly converts low-grade wasted heat (400 to 500 K) into electricity,…”
Get full text
Journal Article -
6
Ultrashort-pulse child-langmuir law in the quantum and relativistic regimes
Published in Physical review letters (20-04-2007)“…This Letter presents a consistent quantum and relativistic model of short-pulse Child-Langmuir (CL) law, of which the pulse length tau is less than the…”
Get full text
Journal Article -
7
Enhancement of coherent Smith-Purcell radiation at terahertz frequency by optimized grating, prebunched beams, and open cavity
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-02-2015)“…This paper studies various mechanisms to enhance the coherent Smith-Purcell radiation (SPR) at terahertz frequencies using particle-in-cell (PIC) simulations…”
Get full text
Journal Article -
8
Over-barrier side-band electron emission from graphene with a time-oscillating potential
Published in Carbon (New York) (01-09-2013)“…We propose a model which describes side-band electron emission from vertically aligned monolayer graphene with an internal time-oscillating barrier and a…”
Get full text
Journal Article -
9
New scaling of child-langmuir law in the quantum regime
Published in Physical review letters (14-11-2003)“…This paper presents a consistent quantum mechanical model of Child-Langmuir (CL) law, including electron exchange-correlation interaction, electrode's surface…”
Get full text
Journal Article -
10
Single‐Crystal Pd and its Alloy Nanowires for Plasmon Propagation and Highly Sensitive Hydrogen Detection
Published in Advanced optical materials (01-02-2014)“…In this work plasmon propagation and highly sensitive hydrogen sensing are demonstrated in single‐crystal Pd and its alloy nanowires, based on an evanescent…”
Get full text
Journal Article -
11
Janus PtSSe and graphene heterostructure with tunable Schottky barrier
Published in Applied physics letters (09-12-2019)“…Janus transition metal dichalcogenides with a built-in structural cross-plane asymmetry have recently emerged as a new class of two-dimensional materials with…”
Get full text
Journal Article -
12
Surface exciton polariton enhanced Goos-Hänchen and Imbert-Fedorov shifts and their applications in refractive index sensing
Published in Optics express (25-03-2024)“…The spatial and angular Goos-Hänchen shifts (GHSs) and Imbert-Fedorov shifts (IFSs) are theoretically investigated in a modified Kretschmann-Raether…”
Get full text
Journal Article -
13
Multi-level information fusion to alleviate network congestion
Published in Information fusion (01-11-2020)“…•Fusion process between signals shows that traffic flow undergoes phase transition.•Traffic network is modelled as an Ising model with traffic flow taking on…”
Get full text
Journal Article -
14
Tunable electronic properties and band alignments of MoSi2N4/GaN and MoSi2N4/ZnO van der Waals heterostructures
Published in Applied physics letters (07-03-2022)“…Van de Waals heterostructure (VDWH) is an emerging strategy to engineer the electronic properties of two-dimensional (2D) material systems. Motivated by the…”
Get full text
Journal Article -
15
Maximal charge injection of a uniform separated electron pulse train in a drift space
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-12-2015)“…A charge sheet model is proposed to study the space charge effect and uniformity of charge separation of an electron pulse train in a drift space. An…”
Get full text
Journal Article -
16
High sensitivity gas sensor based on surface exciton polariton enhanced photonic spin Hall effect
Published in Optics express (31-07-2023)“…In this paper, the sub-wavelength transverse displacement of photonic spin Hall effect (PSHE) is significantly enhanced by the surface exciton polariton (SEP)…”
Get full text
Journal Article -
17
Quantum transport and shot noise in two-dimensional semi-Dirac system
Published in Applied physics letters (17-04-2023)“…Two-dimensional (2D) semi-Dirac systems, such as 2D black phosphorus and arsenene, can exhibit a rich topological phase transition between insulating,…”
Get full text
Journal Article -
18
Cost-Effectiveness Analysis for the Treatment of Hyperphosphatemia in Predialysis Patients: Calcium-Based versus Noncalcium-Based Phosphate Binders
Published in International journal of nephrology (01-01-2018)“…Background. Hyperphosphatemia in chronic kidney disease (CKD) patients is often treated with calcium carbonate (CaCO3) despite the fact that CaCO3 is…”
Get full text
Journal Article -
19
Over-barrier photoelectron emission with Rashba spin–orbit coupling
Published in Applied physics letters (16-10-2023)“…We develop a theoretical model to calculate the quantum efficiency (QE) of photoelectron emission from materials with the Rashba spin–orbit coupling (RSOC)…”
Get full text
Journal Article -
20
Optical Kerr effect and third harmonic generation in topological Dirac/Weyl semimetal
Published in Optics express (23-12-2019)“…We study the nonlinear optical response generated by the massless Dirac quasiparticles residing around the topologically-protected Dirac/Weyl nodal points in…”
Get full text
Journal Article