Results 1 to 10 of about 416,509 (227)

Capacitance Measurements of Defects in Solar Cells: Checking the Model Assumptions [PDF]

open access: yes, 2015
Capacitance measurements of solar cells are able to detect minute changes in charge in the material. For that reason, capacitance is used in many methods to electrically characterize defects in the solar cell. Standard interpretations of capacitance rely
Cox, Thaddeus, Davis, Justin R.
core   +1 more source

Mesoscopic Capacitance Oscillations

open access: yes, 2006
We examine oscillations as a function of Fermi energy in the capacitance of a mesoscopic cavity connected via a single quantum channel to a metallic contact and capacitively coupled to a back gate.
Büttiker M   +4 more
core   +4 more sources

Radiation effects in polycarbonate capacitors [PDF]

open access: yesNuclear Technology and Radiation Protection, 2009
The aim of this paper is to examine the influence of neutron and gamma irradiation on the dissipation factor and capacitance of capacitors with polycarbonate dielectrics.
Vujisić Miloš   +3 more
doaj   +1 more source

N-1 Perfusion Platform Development Using a Capacitance Probe for Biomanufacturing

open access: yesBioengineering, 2022
Fed-batch process intensification with a significantly shorter culture duration or higher titer for monoclonal antibody (mAb) production by Chinese hamster ovary (CHO) cells can be achieved by implementing perfusion operation at the N-1 stage for ...
Emily S. C. Rittershaus   +8 more
doaj   +1 more source

Evaluation of a gate capacitance in the sub-aF range for a chemical field-effect transistor with a silicon nanowire channel

open access: yes, 2011
An evaluation of the gate capacitance of a field-effect transitor (FET) whose channel length and width are several ten nanometer, is a key point for sensors applications. However, experimental and precise evaluation of capacitance in the aF range or less
Clement, Nicolas   +3 more
core   +1 more source

Influence of electrolyte nature on electrochemical properties of carbon material of plant origin

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2022
Non-aqueous electrolytes are advantageous for power sources due to the increase in the operating voltage since their electrochemical stability range is much wider. It should be noted that the capacitor's capacitance depends on the capacitance provided by
Ihor Semkiv   +4 more
doaj   +1 more source

Phase noise in distributed oscillators [PDF]

open access: yes, 2002
The phase noise of a distributed oscillator is evaluated very simply by identifying an effective capacitance equal to the total capacitance distributed along the transmission lines. The contributions of the various passive and active noise sources to the
Hajimiri, A., White, C. J.
core   +1 more source

Observation of Quantum Capacitance of individual single walled carbon nanotubes [PDF]

open access: yes, 2008
We report a measurement on quantum capacitance of individual semiconducting and small band gap SWNTs. The observed quantum capacitance is remarkably smaller than that originating from density of states and it implies a strong electron correlation in ...
Cui, Xiaodong   +3 more
core   +2 more sources

THE EFFECT OF FREQUENCY VARIATION ON DIELECTRIC CONSTANT OF RAPHIA HOOKERI

open access: yesJournal of Renewable Energy and Mechanics, 2020
This work sought to investigate the effect of varying the frequency of an applied electric field on the dielectric constant of raphia hookeri. The aim of the work was to ascertain the suitability of using the sample for engineering applications.
Ubong Iboh   +3 more
doaj   +1 more source

Calculations of Electric Capacitance in Carbon and BN Nanotubes, and Zigzag Nanographite (BN, BCN) Ribbons

open access: yes, 2005
Electronic states in nanographite ribbons with zigzag edges are studied using the extended Hubbard model with nearest neighbor Coulomb interactions. The electronic states with the opposite electric charges separated along both edges are analogous as ...
Dürkop   +8 more
core   +1 more source

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