Related Experiment Video
Updated: Oct 1, 2025
04:57
Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
Published on: July 18, 2025
433
Multifunctional Half-Floating-Gate Field-Effect Transistor Based on MoS2-BN-Graphene van der Waals Heterostructures
Hao Wu1, Yinghao Cui2, Jinlong Xu1
1National Laboratory of Solid-State Microstructure, Nanjing University, Nanjing 210093, People's Republic of China.
Nano Letters
|March 7, 2022
Summary
Researchers developed a novel multifunctional device using 2D materials. This van der Waals heterostructure combines logic operations and nonvolatile memory, paving the way for advanced computing architectures.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Nanotechnology
Background:
- Multifunctional electronic devices integrating logic and data storage are crucial for next-generation computing.
- Van der Waals (vdW) heterostructures, built from two-dimensional (2D) materials, offer unique opportunities for novel electronic device design.
- Currently, multifunctional devices combining logic and storage functionalities are scarce.
Purpose of the Study:
- To design and fabricate a novel multifunctional electronic device.
- To demonstrate the integration of logic operations, nonvolatile memory, and rectification in a single device.
- To explore the potential of 2D vdW heterostructures for advanced computing.
Main Methods:
- Fabrication of a half-floating-gate field-effect transistor.
- Utilized a heterostructure comprising Molybdenum disulfide (MoS2), Boron Nitride (BN), and graphene.
- Characterization of the device's performance as a MOSFET, floating-gate MOSFET (FG-MOSFET), and diode.
Main Results:
- The fabricated MoS2-BN-graphene vdW heterostructure device successfully performed logic operations (MOSFET functionality).
- The device exhibited nonvolatile memory capabilities when operated as a floating-gate MOSFET (FG-MOSFET).
- The heterostructure also demonstrated rectification properties, functioning as a diode.
Conclusions:
- The developed half-floating-gate transistor based on MoS2-BN-graphene vdW heterostructures is a multifunctional device.
- This device integrates logic, nonvolatile memory, and rectification, addressing a significant gap in current electronic devices.
- The findings provide a foundation for 2D vdW heterostructure applications and inspire designs for computing beyond the von Neumann architecture.
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