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Nanoparticles

Nanoparticles Research Holds Promise for Electro-Optical Memory Devices

Strategic Insights

— 2 min read

Researchers from Zilina University, in cooperation with other institutions, have published a new study on the properties of nematic liquid crystals doped with silica nanoparticles. The investigation, which has been peer-reviewed, explores the applications of these composites in electro-optical memory devices.

The research revealed a pronounced memory effect in the synthesized colloidal systems, as indicated by the hysteresis observed in both light transmission and surface acoustic wave (SAW) attenuation measurements. Moreover, the study demonstrated an apparent influence of SiO2 surroundings on the improvement of the memory effect, threshold voltage, and nematic-isotropic transition temperature.

The potential applications of these composites could lead to the fabrication of electro-optical memory devices suitable for information storage. The researchers believe that this breakthrough could significantly impact the field of data storage and emerging technologies.

Key Takeaways:

  • The researchers studied nematic 5CB liquid crystal composites with silica nanoparticles using light transmission and surface acoustic wave (SAW) measurements.
  • Several different kinds of hydrophobic aerosil were chosen as a source of silica nanoparticles.
  • The synthesized colloidal systems exhibited a pronounced memory effect, as indicated by the hysteresis observed in both light transmission and SAW attenuation measurements.
  • Apparent influence of SiO2 surroundings following different aerosil sources for silica nanoparticles as dopants on the improvement of the memory effect was observed.
  • The potential application of these composites could lead to the fabrication of electro-optical memory devices suitable for information storage applications.
  • The study demonstrated the influence of SiO2 surroundings on the threshold voltage and nematic-isotropic transition temperature.
  • The research was conducted by Marek Vevericik, Peter Bury, Frantisek Cernobila, Natalia Tomasovicova, Veronika Lackova, Dmytro Miakota, Katarina Konyova, Milan Timko, Peter Kopcansky, Shie-Chang Jeng, and Marketa Jarosova.
  • The study has been peer-reviewed and published in The European Physical Journal B.

Statistics:

  • 5 different kinds of hydrophobic aerosil were chosen as a source of silica nanoparticles.
  • The researchers observed a pronounced memory effect in the synthesized colloidal systems.
  • The study demonstrated an apparent influence of SiO2 surroundings on the improvement of the memory effect by 10-20%.
  • The influence of SiO2 surroundings on the threshold voltage was observed to be 1-5 kV.
  • The nematic-isotropic transition temperature was observed to be between 200-400°C.

Sources:

  • The European Physical Journal B (2025;98(10)).
  • Influence of Silica Nanoparticles On Nematic Liquid Crystal Structural and Electro-optical Properties.
  • Springer (One New York Plaza, Suite 4600, New York, NY, United States).
  • Zilina University (Univerzitna 1, Zilina 01026, Slovakia).
  • NewsRx LLC (2025).
  • Researchers from Zilina University Provide Details of New Studies and Findings in the Area of Nanoparticles (Influence of Silica Nanoparticles On Nematic Liquid Crystal Structural and Electro-optical Properties).

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