Electronics - Page 6

HydroGraph Clean Power has launched its patented graphene ink. The Company sees this development as a significant step toward the production of inexpensive, foldable, and wearable electronics.

This is a significant milestone in renewable technology production. From touch screen displays, biosensors, radio frequency identification tags, electric vehicle batteries, and more, the technology’s applications are vast, said Stuart Jara, HydroGraph chief executive officer.

Graphenea launched two new products out of its Graphene Foundry, which they call mGFET or miniGFET. These are Graphenea's highest value-chain products, which are manufactured and packaged in chip carriers, and can be used together with the freshly released Graphenea Card for seamless sensor development.

The mGFET is available from $99, and as it is a fully-package device, it is ready to be integrated into standard electronics. Order volume can range from a few devices for early prototyping, to JEDEC trays with hundreds of devices which are compatible with automated pick & place routines.

The 2D Experimental Pilot Line (2D-EPL), that originated from the Graphene Flagship, recently launched its first customizable wafer run.

As one of five multi-project wafer (MPW) runs, this first phase is targeting sensor applications. Companies, universities and research institutes can include their designs as dies on joint wafers, to test their ideas for devices on a larger scale at relatively low costs. The first 2D-EPL MPW run opened in February and the call closes on 30 June 2022. The manufacturing stage of the MPW run will take place between 1 September and 31 October 2022.

Researchers at Chalmers University have reported on a surprisingly high charge-carrier mobility of graphene.

"This finding shows that graphene transferred to cheap and flexible substrates can still have an uncompromisingly high mobility, and it paves the way for a new era of graphene nano-electronics," says Munis Khan, researcher at Chalmers University of Technology.

Researchers from the University of Sussex, the University of Brighton and CNRS have developed a way to wrap emulsion droplets with graphene and other 2D materials by reducing the coatings down to atomically-thin nanosheet layers. The team said this could ‘significantly advance’ the new technology area of liquid electronics, enhancing the functionality and sustainability of potential applications in printed electronics, wearable health monitors and even batteries.

The scientists were able to create electrically-conducting liquid emulsions that are the lowest-loading graphene networks ever reported just 0.001 vol%. This means that the subsequent liquid electronic technology will be both cheaper and more sustainable because it will require less graphene or other 2D nanosheets coating the droplets.

UK-based graphene developer Paragraf has raised $60 million from the UK's Future Fund, the CIA-backed In-Q-Tel and other investors. The funds will be used to accelerate the company's device development, production and market launch.

Paragraf produces its own CVD graphene materials, which it then uses to create devices for the sensor, energy and semiconductor markets. The company introduced its first product, a graphene-based hall-effect sensor back in 2020, and it has recently concluded a study to test the deployment of graphene as an OLED electrode material.

Researchers at The University of Manchester, MIT and other international collaborators have succeeded in observing the so-called Schwinger effect, an elusive process that normally occurs only in cosmic events. By applying high currents through specially designed graphene-based devices, the team - based at the National Graphene Institute - succeeded in producing particle-antiparticle pairs from a vacuum.

A vacuum is assumed to be completely empty space, without any matter or elementary particles. However, it was predicted by Nobel laureate Julian Schwinger 70 years ago that intense electric or magnetic fields can break down the vacuum and spontaneously create elementary particles.

At the recent CES event, South Korea-based Graphene Square presented its 'kitchen styler' - a transparent toaster that uses graphene.

In addition to tracking the level of toasting of the bread, the device is also said to offer 50% less power consumption and enable outdoor cooking with rechargeable batteries. The device is also foldable and expandable to dual cooking/warming plates and connects to mobile devices for recipe download/control.

A team of researchers from universities in Loughborough, Nottingham, Manchester, Lancaster and Kansas (US) has revealed that sonic boom and Doppler-shifted sound waves can be created in a graphene transistor.

When a police car speeds past you with its siren blaring, you hear a distinct change in the frequency of the siren’s noise. This is the Doppler effect. When a jet aircraft’s speed exceeds the speed of sound (about 760 mph), the pressure it exerts upon the air produces a shock wave which can be heard as a loud supersonic boom or thunderclap. This is the Mach effect. The scientists discovered that a quantum mechanical version of these phenomena occurs in an electronic transistor made from high-purity graphene.

Researchers from Columbia University and collaborators from Korea's Sungkyunkwan University and Japan's National Institute for Materials Science have reported that graphene can be efficiently doped using a monolayer of tungsten oxyselenide (TOS) that is created by oxidizing a monolayer of tungsten diselenide.

The new results relied on a cleaner technique to manipulate the flow of electricity, giving graphene greater conductivity than metals such as copper and gold, and raising its potential for use in telecommunications systems and quantum computers.