High-quality, multilayer graphene key to advanced electronic devices

Scientists develop an innovative method for creating multilayer graphene crystals, paving the way for advanced electronic devices integrated with carbon.

Scientists in Japan have developed a new technique for growing multilayer graphene crystals on substrates that could be used in advanced electronic devices.

Materials like thick multilayer graphene (MLG) crystals can handle the large currents and high temperatures in advanced electronic devices. But current vapor deposition techniques for growing MLG introduce imperfections into its crystal structure, reducing the material’s performance.

A team of scientists in Japan, including researchers at the University of Tsukuba, has developed a technique that uses nickel-induced layer exchange to grow high-quality, uniform crystals of MLG directly on an insulating material.

By incorporating aluminium oxide and silicon oxide interlayers between the carbon and nickel layers, the team was able to control the growth of MLG crystals, opening the door for applications that combine advanced electronic devices with carbon materials.

This article was first published by Springer Nature. Read the original article go to https://www.natureindex.com/article/10.1063/1.5010982.

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