Results 1 to 10 of about 56,740 (149)

Analysis of Collapse–Snapback Phenomena in Capacitive Micromachined Ultrasound Transducers [PDF]

open access: yesMicromachines
The pull-in and pull-out voltages are important characteristics of Capacitive Micromachined Ultrasound Transducers (CMUTs), marking the transition between conventional and collapse operation regimes.
Chloé Halbach   +5 more
doaj   +2 more sources

Self-sensing of load and deformation in concrete using intrinsic capacitance and resistance [PDF]

open access: yesScientific Reports
This study investigates the electromechanical behavior and self-sensing performance of plain and reinforced concrete specimens under flexural loading through real-time electrical capacitance and resistance measurements. The primary objective is to assess
Murat Ozturk, Asiye Akis
doaj   +2 more sources

Design of small capacity meter with linear characteristic [PDF]

open access: yesОмский научный вестник, 2022
We consider the small-capacity meter with its technical and metrological characteristics in this paper. The diagram of the functional generator and the voltage timing diagrams are given to study operation of the functional generator.
K. K. Kim   +2 more
doaj   +1 more source

Thermal Annealing Effect on the Structure, Optical and Electrical Properties of Lanthanum Manganite Thin Films Prepared by Reactive Co-Sputtering

open access: yesElectronic Materials, 2022
Lanthanum manganite (LMO) thin films were deposited by co-sputtering La and Mn targets in an Ar and O2 gas mixture. The films were synthesized on silicon and fused silica substrates.
Wael Hourani   +5 more
doaj   +1 more source

Permittivity experimental determination as a frequency function

open access: yesTecnura, 2020
Objective: To determine the behavior of dielectric permittivity of class II ceramic capacitor in function of frequency up to 10MHz. Context:  in telecommunications and high frequency circuits is necessary to take into account the diminishing of ...
Oscar Julian González Riaño   +2 more
doaj   +1 more source

Revealing the Negative Capacitance Effect in Silicon Quantum Dot Light-Emitting Diodes via Temperature-Dependent Capacitance-Voltage Characterization

open access: yesIEEE Photonics Journal, 2022
In this study, quantum dot light-emitting diodes based on non-toxic silicon quantum dots functionalized with hexyl and dodecyl organic ligands showed a negative capacitance effect.
J. Mock   +5 more
doaj   +1 more source

Precision and accuracy in moisture content determination of wood fuel chips using a handheld electric capacitance moisture meter

open access: yesSilva Fennica, 2018
According to the Swedish Timber Measurement Act, measurements affecting payments for wood fuels to landowners must be accurate and precise. In this regard, moisture content is an important quality parameter for wood chips which influences the net ...
Fridh, Lars   +2 more
doaj   +1 more source

The effects of Sn substitution on the phase, microstructure, and dielectric properties of 0.94(Bi0.5Na0.5)TiO3–0.06Ba(Zr0.1Ti0.9)O3 ceramic system

open access: yesChemical Physics Impact, 2021
0.94(Bi0.5Na0.5)TiO3–0.06Ba(Zr0.1Ti0.9-xSnx)O3 (x = 0, 0.08, 0.1) (BNT-BZST) ceramics were synthesized via conventional mix oxide sintering route. X-ray diffraction, scanning electron microscopy, inductance (L), capacitance (C), and resistance (R) (LCR ...
Abdul Manan   +5 more
doaj   +1 more source

Study of electrical properties of cobalt oxide-doped sodium meta vanadate at different frequencies

open access: yesHeliyon, 2022
The samples were prepared within the binary system NaVO3–Co3O4 at different molar percentages depending on the ceramic method according to (x)NaVO3−(100-x)Co3O4, for the molar percentages (x = 5, 10, 25, 40, 60, 75, 80) mole%.
Rasha Hosam Saleh, Mohammad Deeb
doaj   +1 more source

Resolution-Enhancing Structure for the Electric Field Microsensor Chip

open access: yesMicromachines, 2021
Electrostatic voltage is a vital parameter in industrial production lines, for reducing electrostatic discharge harms and improving yields. Due to such drawbacks as package shielding and low resolution, previously reported electric field microsensors are
Xiaolong Wen   +8 more
doaj   +1 more source

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