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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

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.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...

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Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
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All-Solid-State, Ferroelectric-Graded-Doping Reconfigurable Molybdenum Ditelluride Devices.

Ruixuan Peng1, Jiayuan Chen1, Bochen Zhao1

  • 1State Key Laboratory of New Ceramic Materials, and Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, China.

Advanced Materials (Deerfield Beach, Fla.)
|May 9, 2026
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Summary

This study introduces a novel ferroelectric-graded-doping strategy for all-solid-state 2D reconfigurable devices. The developed device integrates 12 functionalities, including memory and logic, on a single platform.

Keywords:
2D materialsferroelectric graded dopinglogic‐in memoryneuromorphic computingreconfigurable devices

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

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Area of Science:

  • Materials Science
  • Electronics Engineering
  • Nanotechnology

Background:

  • 2D materials offer potential for advanced electronic devices beyond the Moore era.
  • All-solid-state designs enhance reliability and scalability in reconfigurable devices.
  • Achieving multifunctional reconfigurability in simple solid-state configurations is a key challenge.

Purpose of the Study:

  • To develop a simple, all-solid-state 2D reconfigurable device with rich functionality.
  • To address the challenge of multifunctional reconfigurability in 2D material-based devices.
  • To demonstrate a versatile platform for next-generation reconfigurable electronics.

Main Methods:

  • Employed a ferroelectric-graded-doping (FeGD) strategy.
  • Integrated a poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) ferroelectric layer with a 2D ambipolar MoTe2 channel.
  • Fabricated a single-gate device structure.

Main Results:

  • Integrated 12 distinct reconfigurable functionalities, including nonvolatile memory and neuromorphic computing (homosynaptic and heterosynaptic plasticity).
  • Achieved sub-millisecond reconfiguration speed (<1 ms) and retention time up to 10^7 s for memory operations with an on/off ratio > 10^6.
  • Demonstrated high on/off ratios (> 10^3) for various logic operations (NAND, AND, OR, NOR, IMP, RIMP, NIMP, RNIMP).

Conclusions:

  • The FeGD strategy enables structurally simple yet functionally rich all-solid-state 2D reconfigurable devices.
  • The developed device serves as a versatile platform for advanced electronic applications.
  • This work paves the way for next-generation reconfigurable electronics with integrated functionalities.