Results 1 to 10 of about 1,953,452 (184)

Tunable-Focus Liquid Lens through Charge Injection [PDF]

open access: yesMicromachines, 2020
Liquid lenses are the simplest and cheapest optical lenses, and various studies have been conducted to develop tunable-focus liquid lenses. In this study, a simple and easily implemented method for achieving tunable-focus liquid lenses was proposed and ...
Shizhi Qian   +3 more
doaj   +2 more sources

High spatial resolution imaging of the charge injection yield at hematite using scanning electrochemical cell microscopy

open access: yesElectrochemistry Communications, 2022
In-depth studies of charge injection and separation processes are important in characterizing the photoelectrochemical (PEC) properties of semiconductor materials, but high spatial resolution observations of the charge injection yield of such materials ...
Fan Yang, Rong Jin, Dechen Jiang
doaj   +1 more source

Numerical Investigation of the Non-Uniformity of the Electric Field Distribution by Injection of Net Electron Charge in TE CO2 Laser [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2017
In this report, the distribution and deviation of electric field in the active medium of the TE CO2 laser has been investigated due to the injection of net electron charge beam as a plasma generator.
N. Morshedian   +3 more
doaj   +1 more source

Deep trap sites suppressing space charge injection in polycyclic aromatic compounds doped XLPE composite

open access: yesIET Nanodielectrics, 2020
In this study, the space charge characteristics in the polycyclic aromatic compounds doped cross-linked polyethylene (XLPE) composite were analysed by integration current (Q(t)) method and quantum chemical calculation.
Jin Li   +4 more
doaj   +1 more source

Ohmic Electron Injection into Organic Semiconductors by Solution‐Processed and Evaporated Organic Interlayers

open access: yesAdvanced Materials Interfaces, 2023
Efficient electron injection from an electrode into an organic semiconductor remains a problem to solve for efficient organic semiconductor devices. In this work, a general method is presented to form an ohmic electron contact by inserting a thin organic
David Trieb   +2 more
doaj   +1 more source

Polarization Switching Kinetics in Thin Ferroelectric HZO Films

open access: yesNanomaterials, 2022
Ferroelectric polycrystalline HfO2 thin films are the most promising material for the implementation of novel non-volatile ferroelectric memories because of their attractive properties, such as compatibility with modern Si technology, perfect scalability,
Ekaterina Kondratyuk, Anastasia Chouprik
doaj   +1 more source

Schottky-Barrier-Dependent Electrical Characteristics in Conjugated Polymer Transistors With Various Contact Metals

open access: yesFrontiers in Materials, 2020
Despite the intensive study on the promotion of device performance, the device physics regarding the effects of Schottky barrier on the charge injection in conjugated polymer transistors still need more discussions.
Yang Xu, Fanming Huang, Wenwu Li
doaj   +1 more source

Mobility‐limited charge injection in cross‐linked polyethylene under extra high electric field

open access: yesHigh Voltage, 2021
In this study, characteristics of charge injection under extra high electric field (above 100 kV/mm) in cross‐linked polyethylene (XLPE) were investigated by experiments of conduction current and space charge.
Xi Zhu   +7 more
doaj   +1 more source

Improvement of Charge Injection Using Ferroelectric Si:HfO2 As Blocking Layer in MONOS Charge Trapping Memory

open access: yesIEEE Journal of the Electron Devices Society, 2018
Metal/ferroelectric-Si:HfO2/SiN/SiO2/Si structure was fabricated to investigate the charge trapping properties. This device enhances the carrier injection into the nitride from the silicon due to the spontaneous polarization in SiO2:HfO2 layer.
Hao Ji   +3 more
doaj   +1 more source

Space Charge Accumulation at Material Interfaces in HVDC Cable Insulation Part II—Simulations of Charge Transport

open access: yesEnergies, 2020
Extruded high voltage direct current (HVDC) cable systems contain interfaces with poorly understood microscopic properties, particularly surface roughness.
Espen Doedens   +3 more
doaj   +1 more source

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