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This paper presents two dimensional (2D) RRAM devices exploiting multilayer hexagonal boron nitride (h-BN) as active switching layer. Different electrodes including Cu, Ni-doped Cu (CuNi) and graphene (G) are considered. The devices show low set/reset voltages, high on/off current ratio, good endurance and very low overall variability. Experimental results are interpreted using a novel simulation...
An effective method for fabrication of 3-D heterogeneous dielectric materials is presented. The proposed technique utilizes the inherent fluidity of polymer-ceramic materials, as well as the adjustable dielectric constant of such materials by controlling the loading fraction. A monocone antenna loaded with a hemisphere of dielectric material is presented to illustrate the fabrication process of 3-D...
We propose a miniaturized ultrawideband monocone antenna. The size reduction was achieved by loading a dielectric material of high dielectric constant around the antenna in an intelligent manner. In order to maintain the impedance bandwidth characteristics, a spatial quarter wave transformer was applied. A preliminary antenna was fabricated and tested, and the measured results have shown good agreement...
Negative bias temperature instability (NBTI) recovery for pure-SiO2 and plasma-nitrided oxide (PNO)-based PMOSFET has been investigated at room and below temperature. It is found that the generated hole traps in SiON dielectric under NBTI stress has a broadened energy distribution than that in SiO2 dielectric. This broadened maybe due to nitrogen related traps (K center) In SiON. The traps' location...
The core of domain decomposition method (DDM) is that it decomposes the original problem domain into several non-overlapping sub-domains, and solves every sub-domain independently. Since every sub-domain is solved independently by use of direct methods, we make the DDM be a parallelized algorithm. The conformal perfectly matched layer (PML) is introduced to this method for the analysis of electromagnetic...
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