345 citations · 609 across the 8 of their papers we have counts for
8 papers
Effect of Polarization Field on the Photocurrent Characteristics of GaN/AlN Multi-Quantum-Well Avalanche Photodiode
Wangping Wang, Qian Li, Xingzhao Wu +4
Polarization is an important property of GaN/AlN multi-quantum-well (MQW) avalanche diode (MAPD) but has been ignored in recent analyses of MAPD to simplify the Monte Carlo simulat…
Activating spin-forbidden transitions in molecules by the highly localized plasmonic field
Sai Duan, Zilvinas Rinkevicius, Yi Luo
Optical spectroscopy has been the primary tool to study the electronic structure of molecules. However the strict spin selection rule has severely limited its ability to access sta…
Understanding different efficiency droop behaviors in InGaN-based near-UV, blue and green light-emitting diodes through differential carrier lifetime measurements
Lai Wang, Xiao Meng, Jiaxing Wang +7
Efficiency droop effect under high injection in GaN-based light emitting diodes (LEDs) strongly depends on wavelength, which is still not well understood. In this paper, through di…
A PMT-like high gain avalanche photodiode based on GaN/AlN periodical stacked structure
Ji-yuan Zheng, Lai Wang, Di Yang +18
Avalanche photodiode (APD) has been intensively investigated as a promising candidate to replace photomultiplier tubes (PMT) for weak light detection. However, in conventional APDs…
Nonlinear electron scattering activated by surface plasmon excitation of Ag nanostructures
ChunKai Xu, WenJie Liu, PanKe Zhang +3
The discovery of many fascinating new phenomena associated with the surface plasmon polariton (SPP) has triggered the rapid development of nanophotonics and nanoelectronics. We rep…
Oxidation States of Graphene: Insights from Computational Spectroscopy
Wenhua Zhang, Vincenzo Carravetta, Zhenyu Li +2
When it is oxidized, graphite can be easily exfoliated forming graphene oxide (GO). GO is a critical intermediate for massive production of graphene, and it is also an important ma…
How Graphene Is Cut upon Oxidation?
Zhenyu Li, * Wenhua Zhang, Yi Luo +3
Our first principles calculations reveal that oxidative cut of graphene is realized by forming epoxy and then carbonyl pairs. Direct forming carbonyl pair to tear graphene up from…
First-Principles Simulations of Inelastic Electron Tunneling Spectroscopyof Molecular Junctions
Jun Jiang, Mathias Kula, Wei Lu +1
A generalized Green's function theory is developed to simulate the inelastic electron tunneling spectroscopy (IETS) of molecular junctions. It has been applied to a realistic molec…