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Related Concept Videos

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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...
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Related Experiment Video

Updated: May 30, 2026

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

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

Published on: April 8, 2018

FeTRAM. An organic ferroelectric material based novel random access memory cell.

Saptarshi Das1, Joerg Appenzeller

  • 1Department of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States. sdas@purdue.edu

Nano Letters
|August 24, 2011
PubMed
Summary

Researchers developed a novel nonvolatile memory cell using silicon nanowires and a ferroelectric polymer. This new ferroelectric transistor random access memory (FeTRAM) offers nondestructive readout, improving upon traditional ferroelectric random access memories (FeRAMs).

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Area of Science:

  • Electronics
  • Materials Science
  • Nanotechnology

Background:

  • Advancements in electronics rely on novel materials and device architectures for new functionalities.
  • A synergistic approach combining materials, devices, and circuits is crucial for innovation.

Purpose of the Study:

  • To experimentally implement a novel nonvolatile memory cell.
  • To integrate silicon nanowires with an organic ferroelectric polymer into a new ferroelectric transistor architecture.

Main Methods:

  • Fabrication of a ferroelectric transistor architecture combining silicon nanowires and PVDF-TrFE.
  • Characterization of the memory cell's performance and readout capabilities.

Main Results:

  • Successful implementation of a ferroelectric transistor random access memory (FeTRAM) cell.
  • Demonstration of nonvolatile data storage using a ferroelectric transistor.
  • Achieved nondestructive readout, a key advantage over conventional FeRAMs.

Conclusions:

  • The novel FeTRAM architecture offers a promising approach for advanced nonvolatile memory.
  • The combination of silicon nanowires and ferroelectric polymers enables enhanced memory functionalities.
  • Nondestructive readout capability represents a significant advancement in memory technology.