Related Experiment Video
Updated: May 10, 2026
08:07
Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
Published on: March 9, 2019
Colossal emergent inductance in a molecular memristor
Yugo Oshima1, Rei Usami2, Tetsuro Moriya2
1RIKEN, Pioneering Research Institute (RIKEN-PRI), Hirosawa 2-1, Wako-shi, Saitama, 351-0198, Japan. yugo@riken.jp.
Scientific Reports
|May 8, 2026
Summary
This study reveals that memristors can exhibit emergent inductance, a property arising from their unique hysteresis. This discovery enables self-sustained oscillations without external components, paving the way for novel electronic and neuromorphic systems.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Organic Electronics
Background:
- Memristors are known for history-dependent transport and current-voltage hysteresis.
- Their dynamical electrodynamic roles, particularly inductance, are not well understood.
Purpose of the Study:
- To investigate the electrodynamic properties of the quasi-one-dimensional halogen-bridged metal complex [Ni(chxn)Br]Br.
- To explore the potential for emergent inductance in memristive materials.
Main Methods:
- Transport measurements
- Impedance spectroscopy
- Oscillation analysis
Main Results:
- The material exhibits a pinched hysteresis loop (PHL) under AC bias, confirming memristive behavior.
- A colossal emergent inductance (μH-mH range) was observed, significantly exceeding conventional inductors.
- This inductive response was bias-dependent and confirmed via multiple methods.
Conclusions:
- Emergent inductance is identified as a fundamental memristive property.
- This research uncovers new electrodynamic functionality in correlated molecular materials.
- The findings suggest pathways for developing coil-free low-frequency electronic and neuromorphic devices.
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