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Related Concept Videos

Ferromagnetism01:31

Ferromagnetism

Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
Non-ohmic Devices00:51

Non-ohmic Devices

In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
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A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
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Types of Reversible Electrodes01:24

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For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...
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The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
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Related Experiment Video

Updated: Jun 15, 2026

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
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A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Organic nonvolatile memory devices based on ferroelectricity.

Ronald C G Naber1, Kamal Asadi, Paul W M Blom

  • 1ECN Solar Energy 1755 ZG Petten, The Netherlands. naber@ecn.nl

Advanced Materials (Deerfield Beach, Fla.)
|March 11, 2010
PubMed
Summary
This summary is machine-generated.

Organic ferroelectric memory devices offer a promising path to low-cost electronics. This review covers key device types like capacitors, transistors, and diodes, and their integration into memory arrays.

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Area of Science:

  • Materials Science
  • Electronics Engineering
  • Solid State Physics

Background:

  • Memory functionality is essential for modern electronic devices.
  • Organic nonvolatile memory devices offer a potential low-cost alternative to conventional technologies.
  • Ferroelectricity in organic materials is a key enabler for advanced memory applications.

Purpose of the Study:

  • To review the latest advancements in organic nonvolatile memory devices.
  • To focus on three primary device concepts: ferroelectric capacitors, field-effect transistors, and diodes.
  • To discuss the integration challenges and strategies for these devices into larger memory arrays.

Main Methods:

  • Literature review of recent research in organic ferroelectric memory.
  • Analysis of device physics and performance metrics for capacitors, transistors, and diodes.
  • Discussion of integration techniques and scalability considerations.

Main Results:

  • Ferroelectric capacitors, field-effect transistors, and diodes represent the most significant organic nonvolatile memory device concepts.
  • Recent developments show promise for improved performance and stability in these devices.
  • Integration into memory arrays is feasible but requires further optimization.

Conclusions:

  • Organic ferroelectric memory devices are a rapidly developing field with significant potential for low-cost, high-performance nonvolatile memory.
  • Continued research into materials, device design, and integration is crucial for commercialization.
  • These devices could pave the way for next-generation electronic applications.