Mode selection for electrostatic beam resonators based on motional resistance and quality factor [0.03%]
基于运动电阻和品质因数的静电束谐振器模式选择方法研究
Jeong Hoon Ryou,Jason J Gorman
Jeong Hoon Ryou
An analytical comparison between the fundamental mode and higher modes of vibration for an electrostatic beam resonator is presented. Multiple mode numbers can be matched to a desired resonance frequency through appropriate scaling. Therefo...
Charged grain boundaries reduce the open-circuit voltage of polycrystalline solar cells-An analytical description [0.03%]
带电晶界降低多晶太阳电池的开路电压-一个解析模型
Benoit Gaury,Paul M Haney
Benoit Gaury
Analytic expressions are presented for the dark current-voltage relation J(V ) of a pn+ junction with positively charged columnar grain boundaries with high defect density. These expressions apply to non-depleted grains with sufficiently hi...
Depletion region surface effects in electron beam induced current measurements [0.03%]
电子束诱发电流测量中的耗尽层表面效应
Paul M Haney,Heayoung P Yoon,Benoit Gaury et al.
Paul M Haney et al.
Electron beam induced current (EBIC) is a powerful characterization technique which offers the high spatial resolution needed to study polycrystalline solar cells. Current models of EBIC assume that excitations in the p-n junction depletion...
Angela N Fioretti,Craig P Schwartz,John Vinson et al.
Angela N Fioretti et al.
Semiconductor materials that can be doped both n-type and p-type are desirable for diode-based applications and transistor technology. Copper nitride (Cu3N) is a metastable semiconductor with a solar-relevant bandgap that has been reported ...
Use of the Bethe Equation for Inner-Shell Ionization by Electron Impact [0.03%]
Bethe方程在电子碰撞内层电离中的应用
Cedric J Powell,Xavier Llovet,Francesc Salvat
Cedric J Powell
We analyzed calculated cross sections for K-, L-, and M-shell ionization by electron impact to determine the energy ranges over which these cross sections are consistent with the Bethe equation for inner-shell ionization. Our analysis was p...
Lawrence H Friedman,Igor Levin,Robert F Cook
Lawrence H Friedman
The random buckling patterns of nanoscale dielectric walls are analyzed using a nonlinear multi-scale stochastic method that combines experimental measurements with simulations. The dielectric walls, approximately 200 nm tall and 20 nm wide...
Probing surface recombination velocities in semiconductors using two-photon microscopy [0.03%]
基于双光子显微镜的半导体表面复合速率研究
Benoit Gaury,Paul M Haney
Benoit Gaury
The determination of minority-carrier lifetimes and surface recombination velocities is essential for the development of semiconductor technologies such as solar cells. The recent development of two-photon time-resolved microscopy allows fo...
Fast crystallization of amorphous Gd2Zr2O7 induced by thermally activated electron-beam irradiation [0.03%]
热激发电子束辐照诱发非晶Gd2Zr2O7快速结晶化
Zhangyi Huang,Jianqi Qi,Li Zhou et al.
Zhangyi Huang et al.
We investigate the ionization and displacement effects of an electron-beam (e-beam) on amorphous Gd2Zr2O7 synthesized by the co-precipitation and calcination methods. The as-received amorphous specimens were irradiated under electron beams ...
Dynamic trajectory analysis of superparamagnetic beads driven by on-chip micromagnets [0.03%]
片上微磁铁驱动超顺磁珠的动态轨迹分析
Xinghao Hu,Roozbeh Abedini-Nassab,Byeonghwa Lim et al.
Xinghao Hu et al.
We investigate the non-linear dynamics of superparamagnetic beads moving around the periphery of patterned magnetic disks in the presence of an in-plane rotating magnetic field. Three different dynamical regimes are observed in experiments,...
The effect of ultrafast laser wavelength on ablation properties and implications on sample introduction in inductively coupled plasma mass spectrometry [0.03%]
超快激光波长对消融特性的影响及其在感应耦合等离子体质量谱仪样品引入中的应用研究
N L LaHaye,S S Harilal,P K Diwakar et al.
N L LaHaye et al.
We investigated the role of femtosecond (fs) laser wavelength on laser ablation (LA) and its relation to laser generated aerosol counts and particle distribution, inductively coupled plasma-mass spectrometry (ICP-MS) signal intensity, detec...