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Updated: Jan 23, 2026

A Method for Growing Bio-memristors from Slime Mold
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Advanced HZO-Based Memristor for Tunable Infrared Emissivity Modulation Devices.

Lingtong Wang1, Mingjun Chen1, Gengxin Yao1

  • 1Center for Composite Materials and Structure, Harbin Institute of Technology, Harbin 150001, China.

ACS Applied Materials & Interfaces
|January 21, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a novel memristor device for adaptive spacecraft thermal control. It achieves significant infrared emissivity modulation with high visible-light transparency, offering energy-efficient solutions.

Keywords:
Hf0.5Zr0.5O2Infrared emissivity modulationThermal controlelectrochromismmemristor

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Area of Science:

  • Materials Science
  • Aerospace Engineering
  • Condensed Matter Physics

Background:

  • Effective thermal control is critical for spacecraft operating in extreme space environments.
  • Existing electrochromic materials for thermal management have limitations like narrow emissivity modulation and high power consumption.

Purpose of the Study:

  • To develop a variable emissivity device for adaptive thermal management in spacecraft.
  • To address the limitations of current electrochromic technologies.

Main Methods:

  • Fabrication of a memristor device using an ITO/Hf0.5Zr0.5O2/ITO heterostructure.
  • Experimental characterization of optical properties (solar absorptivity, infrared emissivity, visible-light transmittance).
  • Electrochemical analysis to understand resistive switching mechanisms.

Main Results:

  • The device demonstrated a significant infrared emissivity modulation of 0.52 in the 2.5-25 μm range.
  • High visible-light transmittance of 81.23% was maintained.
  • Resistive switching was attributed to oxygen vacancy migration and phonon-polariton interactions.

Conclusions:

  • The memristor-based device offers a promising solution for next-generation adaptive thermal management systems.
  • The findings highlight the potential for energy-efficient, multilevel thermal control in aerospace applications.
  • This technology addresses the need for dynamic and durable thermal control solutions.