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Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
Published on: March 9, 2019
Non-volatile flash memory with discrete bionanodot floating gate assembled by protein template
Atsushi Miura1, Rikako Tsukamoto, Shigeo Yoshii
1Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
Nanotechnology
|August 11, 2011
Summary
Researchers created non-volatile flash memory using cobalt oxide bionanodots assembled by a protein template. This novel approach offers a new pathway for fabricating advanced electronic devices.
Area of Science:
- Materials Science
- Nanotechnology
- Biomolecular Engineering
Background:
- Non-volatile memory is crucial for modern electronics.
- Developing stable and efficient charge storage nodes is an ongoing challenge.
- Biomolecular self-assembly offers precise control over nanomaterial fabrication.
Purpose of the Study:
- To fabricate non-volatile flash memory using cobalt oxide bionanodots.
- To investigate the memory properties of metal-oxide-semiconductor field-effect transistors (MOSFETs) embedded with these bionanodots.
- To present a novel biomolecular approach for device fabrication.
Main Methods:
- Uniformly sized cobalt oxide bionanodots (Co-BNDs) were assembled using a cage-shaped supramolecular protein template.
- A high-density Co-BND array was integrated into a MOSFET structure.
- Electrical characteristics, including drain current-gate voltage, were measured to confirm memory operation.
Main Results:
- Successful fabrication of non-volatile flash memory devices.
- Observation of clockwise hysteresis in MOSFETs, confirming memory operation.
- Demonstrated good memory properties: wide memory windows, long charge retention, and high endurance.
Conclusions:
- Cobalt oxide bionanodots function effectively as charge storage nodes in non-volatile flash memory.
- The protein-templated assembly provides a versatile pathway for advanced electronic device fabrication.
- This work highlights the potential of biomolecules in creating next-generation memory technologies.
