نتایج جستجو برای: non ideality
تعداد نتایج: 1317148 فیلتر نتایج به سال:
The electronic parameters and interface state properties of Yb/p-InP Schottky diode have been investigated by currentvoltage (IV), capacitancevoltagefrequency (CVf ) and conductancevoltagefrequency (GVf ) measurements at room temperature. The barrier height and ideality factor of the Yb/p-InP Schottky diode are found to be 0.68 eV (IV)/0.79 eV (CV) and 1.24, respectively. As well, t...
A new method for extracting the series resistance and thermal resistance of a Schottky diode is presented. The method avoids the inaccuracies caused by the temperature dependence of the saturation current and ideality factor. These are a major concern for traditional extraction methods, especially when the diode under test has a submicrometer anode diameter and is significantly heated up by the...
Cardiolipin is a unique four-tailed, doubly negatively charged lipid found predominantly within the inner mitochondrial membrane, and is thought to be influential in determining membrane potential and permeability. To determine the role of cardiolipin in modulating the properties of membranes, this study investigates the thermodynamics of mixed cardiolipin and phosphatidylcholine monolayers and...
cdse nanostructures were synthesized by using green chemical route as starch was used as capping agent. xrd, hr-tem, sead, uv and pl studies were made for structural and optical properties of the prepared sample. film morphology and the thickness measurement of n-cdse were carried out with afm analysis. i-v characteristics curve of this junction confirmed the formation of schottky contact betwe...
In this work, an efficient solution based on the reducing forms approach is presented to extract five parameters of single-diode model PV generators from their I-V curves. Thus, by number unknown two unknowns, analytical expression current LambertW function will then depend only ideality factor and series resistance, as unknowns predict numerically using non-linear least square technique. The t...
Abstract: The integration of renewable power sources with power grids presents many challenges, such as synchronization with the grid, power quality problems and so on. The shunt active power filter (SAPF) can be a solution to address the issue while suppressing the grid-end current harmonics and distortions. Nonetheless, available SAPFs work somewhat unpredictably in practice. This is attribut...
The influence of premetallization surface preparation on the structural, chemical, and electrical properties of Au– nGaN interfaces has been investigated by x-ray photoemission spectroscopy ~XPS!, current-voltage measurement (I-V) and cross-section transmission electron microscopy ~TEM!. XPS analysis showed that the three GaN substrate treatments investigated i.e., ex situ hydrofluoric acid etc...
By an analysis of the exchange of carriers through a semiconductor junction, a general relationship for the nonequilibrium population of the interface states in Schottky barrier diodes has been derived. Based on this relationship, an analytical expression for the ideality factor valid in the whole range of applied bias has been given. This quantity exhibits two different behaviours depending on...
The temperature dependent solubility of 18 organic compounds, which some are active pharmaceutical ingredients, was measured in 1,4-dioxane, toluene and cyclopentyl methyl ether over a range between 0 70 °C using turbidity method. the studied compounds three solvents increases with all binary solute-solvent systems, exhibit higher 1,4-dioxane than ether. non-ideal behaviour systems evaluated te...
A correlation based on the general form of cubic equations of state has been derived. This equation provides a convenient mathematical form of the Joule-Thomson coefficient in terms of the state variable V and T. The Joule-Thomson coefficient calculated by this correlation has been compared with experimental data. It has been shown that the Redilich-Kwang equation of state is a suitable equ...
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