نتایج جستجو برای: current voltage characteristic
تعداد نتایج: 1010459 فیلتر نتایج به سال:
A specific property of a planar tunnel junction with thin-film diffusive plates and long enough leads, typical for most of practical situations, is essential enhancement of its transmission coefficient compared to the bare transparency of the tunnel barrier [1, 2]. In voltage-biased junctions, this creates favorable conditions for strong nonequilibrium of quasiparticles in the junction plates a...
a b s t r a c t a r t i c l e i n f o Article history: Received 2 June 2016 Received in revised form 9 August 2016 Accepted 15 September 2016 Available online xxxx We report our studies to compare energy consumption of a CDI cell in constant voltage (CV) and constant current (CC) operations, with a focus on understanding the underlying physics of consumption patterns. The comparison is conducte...
This paper presents a computational study of the feasibility of a molecular transistor. We address the question of whether a “rigid molecule” (one which does not deform in an external field) used as the conducting channel in a standard three-terminal MOSFET configuration can offer any performance advantage relative to a standard silicon MOSFET. Our self-consistent solution of coupled quantum tr...
2014 The effect of microwave radiation on the dc current-voltage characteristic of proximity effect bridges has been studied at frequencies of 10, 35 and 90 GHz. We report the properties of bridges fabricated in layered films of Nb and Ta. The fraction 03B5 of the incident radiant power absorbed by the bridge is measured calorimetrically, permitting determination of the intrinsic responsivity (...
Auroral precipitating electrons pass through an acceleration region before entering the atmosphere. Regardless of what produces it, a parallel electric field is assumed to cause the acceleration. It is well known that from kinetic theory an expression for the corresponding upward field-aligned current can be calculated, which under certain assumptions can be linearized to jE"K». The K constant,...
When present in micromolar amounts on one side of phospholipid bilayer membranes, monazomycin (a positively charged, polyene-like antibiotic) induces dramatic voltage-dependent conductance effects. Voltage clamp records are very similar in shape to those obtained from the potassium conductance system of the squid axon. The steady-state conductance is proportional to the 5th power of the monazom...
A perovskite-type solar cell with a substrate size of 70 mm × 70 mm was fabricated by a simple spin-coating method using a mixed solution. The photovoltaic properties of the TiO2/CH3NH3PbI3-based photovoltaic devices were investigated by current density-voltage characteristic and incident photon to current conversion efficiency measurements. Their short-circuit current densities were almost con...
This paper proposes a simplified equivalent circuit model that can be used in the presentation of characteristic harmonic components generated by full wave diode rectifiers. In the model, the load current is assumed to be constant as in many industrial applications. In order to obtain an accurate and exact analysis, the proposed model involves both current harmonics on AC side and voltage harmo...
Several studies on PV solar cells are found in the literature which use static models. Those models mainly one-diode, two-diode or three-diode In dynamic modelling, a variable parallel capacitance is incorporated. Unlike previous do not clearly establish relationship between and voltage, present paper, link voltage investigated established. modelling this resistance introduced of cell. It curre...
This paper presents the analysin ,design and implementation of a high voltage ratio topology of DC-DC converter. The DC-DC converter has high voltage ratio with reduced input current, output voltage and output current ripple, and also reduces the voltage and current rating of power electronics components and compared with conventional boost converter. The voltage stress on the switches are red...
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