Editorial Feature

How an Innovative Nanocomposite Material May Revolutionize the Electronics Industry

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The new breed of electronic devices is all-digital and nanosized. However, to make these devices work, innovative materials solutions are required. New research from an international team headed by scientists at Russia’s South Ural State University has identified a nanocomposite material comprised of magnesium oxide (MgO) and barium titanate (BaTiO3).

The new material can be used to design ever smaller, flatter and thinner electronic devices, and has the potential to revolutionize the electronics industry.

Specializing in the Future of Materials

The latest research breakthrough from South Ural State University (SUSU) in Russia builds on one of the institution’s three strategic research focuses. Smart industry and ecology sit alongside world-class materials science output, which includes the potentially revolutionary new nanocomposite.

An international team of scientists from Belarus, India, and China cooperated with SUSU scientists led by their Senior Researcher at the Nanotechnology Research and Education Center, Aleksey Trukhanov.

What is New About the Innovative Nanocomposite Material?

This pioneering development is a combination of cutting-edge nanotechnology, methods, and materials science research.

“A fundamentally significant result of this research is the development of new composite materials with improved dielectric characteristics.”

Aleksey Trukhanov, Senior Researcher at the Nanotechnology Research and Education Center

The nanocomposite material combines nanoparticles of magnesium oxide (MgO) with barium titanate (BaTiO3) in a so-called core-shell nanostructure. This means that the MgO nanoparticles are encapsulated in a shell of BaTiO3.

This is the first time that these materials have been successfully combined in a nanostructure. The scientists led by Trukhanov have also demonstrated a novel method for dispersing the nanocomposite into a polymer matrix.

What are the Properties of the New Nanocomposite Material?

Nanocomposite materials are being studied worldwide due to their ability to combine desirable properties of different materials for functional applications.

AZoNano has defined the benefits of innovative nanocomposite materials as their ability to:

“Dramatically improve properties like: mechanical properties including strength, modulus and dimensional stability; electrical conductivity; decreased gas, water and hydrocarbon permeability; flame retardancy; thermal stability; chemical resistance; surface appearance; [and] optical clarity.” (2007)

Trukhanov explains the importance of his team’s nanocomposite materials research:

“The results of our joint work will be used for controlling the electrical characteristics of functional polymeric materials of this class.”

In the case of this latest nanocomposite material innovation, the nanoparticle core of MgO is dielectric – it insulates against electronic conductivity.

Meanwhile, the nanosized BaTiO3 shell – which encapsulates MgO nanoparticles in the new material – is ferroelectric. This means that it has spontaneous electric polarization, which is reversible upon applying an external electrical field.

Find out more: Nanoparticle Characterization Systems

How is the Innovative Nanocomposite Material Used?

This combination of materials and their properties – dielectric MgO and ferroelectric BaTiO3 – can be used as a dielectric, insulating material in polymer capacitors.

Capacitors are the materials in electronic devices that control and modulate electrons' otherwise irregular flow, preventing electronic surges that cause short-circuiting and other electronic failures. They work by storing electronic energy.

Polymer (plastic-based) capacitors are used in electronic devices with integrated power. They are used as buffer, bypass and decoupling capacitors.

The need for integrated capacitors was brought on by the advent of digital electronic equipment, which led to the development of switching power supplies with higher frequencies and integrated DC/DC converters, along with lower supply voltages and higher supply currents.

How Can the New Nanocomposite Revolutionize the Electronics Industry?

Commenting on the relevance of his team’s latest research, Trukhanov added:

“Such research is now relevant, since the rapid development of micro- and nanoelectronics requires new approaches and the development of new materials to reduce the size of functional components.”

The latest nanocomposite development presents a significant step forward in advanced polymer capacitor materials. When added to a polymer matrix at only 3% of the base polymer's weight, the innovative new nanocomposite increases discharge current density by 187%.

This minor addition of mass and weight to the polymer capacitor material – set against a significant performance improvement – means that future electronic devices can be designed with more power in mind without sacrificing weight or bulk.

Such a development will play an essential role in the future of electronic devices. They can now be designed to be even smaller, flatter and lighter than before, enabling increasingly diverse applications, for example, in wearable electronics, micro- and nanoelectronic devices, and biomedical devices.

What are the Researchers’ Next Steps?

Trukhanov and his team and colleagues will continue to work on advanced materials such as the latest innovation. Using nanotechnology, they will develop new materials and nanocomposites for a wide array of applications and features.

Trukhanov said:

“At the moment, there are plans to continue research of functional composites with controlled properties. Currently, active research work is being carried out in the field of composite materials with magnetic fillers.”

References and Further Reading

Wang, Peng-Jian, Di Zhou, Huan-Huan Guo, Wen-Feng Liu, Jin-Zhan Su, Mao-Sen Fu, Charanjeet Singh, Sergei Trukhanov, and Alex Trukhanov (2020). “Ultrahigh Enhancement Rate of the Energy Density of Flexible Polymer Nanocomposites Using Core–Shell BaTiO3@MgO Structures as the Filler.” Journal of Materials Chemistry A. https://doi.org/10.1039/d0ta03304a.

Tsymbalyuk, Daria (2020). “The New Composite Prevents Malfunctions of Electronic Devices - South Ural State University.” SUSU. Available at: https://www.susu.ru/en/news/2020/09/12/new-composite-prevents-malfunctions-electronic-devices.

AZO Nano (2007). “Nanocomposites – An Overview of Properties, Applications and Definition.” AZO Nano. Available at: https://www.azonano.com/article.aspx?ArticleID=1832.

Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

Ben Pilkington

Written by

Ben Pilkington

Ben Pilkington is a freelance writer who is interested in society and technology. He enjoys learning how the latest scientific developments can affect us and imagining what will be possible in the future. Since completing graduate studies at Oxford University in 2016, Ben has reported on developments in computer software, the UK technology industry, digital rights and privacy, industrial automation, IoT, AI, additive manufacturing, sustainability, and clean technology.


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