NDLI: Capacitance of thin-film ferroelectrics under different drive signals

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IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control - Front cover

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Introduction to the special issue on electroceramics

Influence of composition and pressure on the electric field-induced antiferroelectric to ferroelectric phase transformation in lanthanum modified lead zirconate titanate ceramics

Effect of nickel-niobium co-doping on structural, electromechanical, and dielectric properties of lead titanate ceramics

Phase transitions in PbZr_xHf_1-xO3 determined by thermal analysis and impedance spectroscopy

Poled composites with Nd-Mn-doped PZTfibers under bipolar electrical load

Large-scale fabrication of titanium-rich perovskite PZT submicro/nano wires and their electromechanical properties

A high temperature piezoelectric ceramic: (1-x)(Bi_0.9La_0.1)FeO_3-xPbTiO₃ crystalline solutions

Effects of gallium on the structure and electrical properties of 0.65 Bi_0.94La_0.06) (Ga_xFe_1-x)O₃-0.35PbTiO₃ ceramics

Dielectric investigations of 0.945(Bi_0.5Na_0.5) TiO₃-0.055BaTiO₃

Piezoceramics properties as a function of the structure in the system (K,Na,Li)(Nb,Ta,Sb)O₃

Lattice dynamics and phase transitions in KNbO₃ and K_0.5Na_0.5NbO₃ ceramics

Radiation of x-rays using polarized LiNbO₃ single crystal in low-pressure ambient gas

Graphics processing unit-based high-frame-rate color doppler ultrasound processing

Capacitance of thin-film ferroelectrics under different drive signals

Benefits of minimum-variance beamforming in medical ultrasound imaging

Precise time-of-flight calculation for 3-D synthetic aperture focusing

A post-beamforming 2-D pseudoinverse filter for coarsely sampled ultrasound arrays

Fast computation of the acoustic field for ultrasound elements

Ultrasound transducer and system for real-time simultaneous therapy and diagnosis for noninvasive surgery of prostate tissue

Minimum variance beamforming combined with adaptive coherence weighting applied to medical ultrasound imaging

Ultrasonic imaging algorithms with limited transmission cycles for rapid nondestructive evaluation

Acoustic wave flow sensor using quartz thickness shear mode resonator

Determination of epoxy film parameters in a three-layer metal/adhesive/metal structure

Attenuation of lamb waves in the vicinity of a forbidden band in a phononic crystal

Silicon-based megahertz ultrasonic nozzles for production of monodisperse micrometer-sized droplets

Variational principles for polar piezoelectric media in elastic range

Analysis of multifrequency langevin composite ultrasonic transducers

Flexible ultrasonic transducers incorporating piezoelectric fibres

Power harvesting using PZT ceramics embedded in orthopedic implants

Size optimization of a piezoelectric actuator on a clamped elastic plate

Inverse problem for the geometry profile determination of waveguides with varying section using adiabatic behavior of guided waves

Linear unbiased prediction of clock errors

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Capacitance of thin-film ferroelectrics under different drive signals

Content Provider	IEEE Xplore Digital Library
Author	Huadong Li Subramanyam, G.
Copyright Year	1986
Abstract	Thin-film ferroelectric capacitance can be obtained by 2 different methods. Capacitance obtained using the derivative of its hysteresis loop is related to large applied signals and can be called the large-signal capacitance. Capacitance measured directly with a small, applied ac signal together with a slow changing dc bias is called the small-signal capacitance. This paper investigated the voltage dependence of the large- and small-signal capacitances. Measurements show that the large-signal C-V curve of thin-film ferroelectrics has much sharper peaks and higher peak values than the small-signal C-V curve. Analyses based on the Landau-Khalatnikov model shows that practical small-signal capacitance is closer to the ideal capacitance. However, its C-V curve has clearance areas around the coercive voltage, and the polarization switching is not reflected in the small-signal capacitance. This causes the peaks of small-signal C-V curves to be lower than that of large-signal C-V curves.
File Size	565398
File Format	PDF
ISSN	08853010
Volume Number	56
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transistors Ferroelectric materials Capacitance-voltage characteristics Voltage Hysteresis Capacitance measurement Polarization
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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