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With the fast development of information storage, exploiting new concepts for dense, fast, and non-volatile random access memory with reduced energy consumption is a significant and challenging task. To realize this goal, electric-field control of magnetism is crucial. In this regard, multiferroic materials are important and have attracted much attention due to their interesting new physics and potentials...
Controlling the magnetic properties of solids by electric fields has been an interesting research subject, not only because of the intriguing correlation between the electric and magnetic orders in solid-state systems, but also the potential applications in ultra-low energy spintronic devices. In the past, research has mostly been carried out with multiferroic materials and magnetic semiconductors...
A non-invasive, real time, method for measuring the longitudinal emittance of electron bunches can be realized by using electro-optic (EO) detection schemes. Implementation of an EO beam diagnostic within the Colorado State University and Jefferson Laboratory beamlines necessitates investigation into how high average power beams affect various EO crystals. Damage mechanisms from proximity to the e-beam...
This article uses the finite element method to analysis and calculates the electric field intensity of 500kV power transformer's HV winding. Through analysis and research the power transformer, the article has simplified the model of power transformer. Using ANSYS software establishes 2-D modeling of 500kV power transformer to analysis and conducted on the model mesh. Through analysis and understanding...
On the condition of adjusting air pressure from 58.7 to 98.7 kPa and air humidity from 5 to 17.3 g/m3 in the multifunctional artificial chamber, experiments on AC corona performance of scaled models of three kinds of bundle conductors are conducted and the mathematical model of corona discharge is proposed to calculate the corona onset voltages. Results indicate that the corona onset voltage of bundle...
The negative cloud-to-ground (CG) flashes that struck the ground with multiple contacts have been analyzed based on a high-speed video camera system (1000 frames s-1) in correlation with fast and slow antenna systems. Two cases have been divided. In one case, the CG flashes struck the ground with more than one termination on a millisecond-scale. This kind of stroke, named as multiple-ground termination...
We demonstrate the InGaAsN PIN structures grown by MBE with photoresponse of approximately 1.3 μm and optimized by post growth annealing. The assessment of the annealing study was carried out by comparing the dark current density and photocurrent spectra of the as-grown and annealed samples. The dark current for an optimally annealed InGaAsN PIN is approximately 2 μAcm-2 at an electric field of 100...
The authors report the avalanche characteristics of the type-II absorption region when subjected to electric fields ranging from 60 kV/cm to 260 kV/cm and compare its behaviour to that of bulk In0.53Ga0.47As. Electron and hole initiated multiplication is performed on the type-II PIN photodiodes with 150 pairs of In0.53Ga0.47As/GaAs0.51Sb0.49 layers in the intrinsic region and highly doped In0.53Ga...
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