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Electronics

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News and Research in Electronics. Read about new discoveries in electronics including electronic circuits, polymer-based electronics, nanotubes and more.
Updated: 2 hours 15 min ago

Strain directs spin waves

Wed, 2018-05-23 20:12
Scientists have revealed the relationship between the strain in a magnetic insulator thin film and spin waves. The relationship between magnetoelastic anisotropy and propagation properties of forward volume spin waves in single-crystalline yttrium iron garnet films grown on three garnet substrates was experimentally demonstrated. This facilitates the design of spin wave integrated circuits.

Beyond the limits of conventional electronics: Stable organic molecular nanowires

Wed, 2018-05-23 20:12
Scientists have created the first thermally stable organic molecular nanowire devices using a single 4.5-nm-long molecule placed inside electroless gold-plated nanogap electrodes.

Non-plasma high-speed anisotropic diamond etching with nickel in 1000°C water vapor

Tue, 2018-05-22 21:16
Development of next-generation power devices is needed for energy saving in a low carbon society. Diamond is a potentially important power device material due to its excellent physical and electronic properties. Here we have developed a non-plasma high-speed anisotropic etching process using a thermochemical reaction between nickel and diamond in high-temperature water vapor. This technology is expected to contribute to fabrication of diamond devices of excellent performance with highly reduced transmission loss and high-voltage endurance.

Flexible, highly efficient multimodal energy harvesting

Tue, 2018-05-22 00:08
A 10-fold increase in the ability to harvest mechanical and thermal energy over standard piezoelectric composites may be possible using a piezoelectric ceramic foam supported by a flexible polymer support, according to researchers.

Self-healing material a breakthrough for bio-inspired robotics

Mon, 2018-05-21 22:47
Many natural organisms have the ability to repair themselves. Now, manufactured machines will be able to mimic this property. Researchers have created a self-healing material that spontaneously repairs itself under extreme mechanical damage.

Keep the light off: A material with improved mechanical performance in the dark

Thu, 2018-05-17 23:55
Researchers found that zinc sulfide crystals were brittle under normal lighting conditions at room temperature, but highly plastic when deformed in complete darkness. Deformation of zinc sulfide crystals in the dark also narrowed their band gap, which controls electrical conductivity. The team's findings showed the mechanical and electronic properties of inorganic semiconductors are sensitive to light, revealing a possible route to engineer the performance of inorganic semiconductors, which are important in electronics.

Supersonic waves may help electronics beat the heat

Thu, 2018-05-17 23:55
Researchers made the first observations of waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice -- a discovery that may dramatically improve heat transport in insulators and enable new strategies for heat management in future electronics devices.

Self-assembling 3D battery would charge in seconds

Thu, 2018-05-17 23:55
The world is a big place, but it's gotten smaller with the advent of technologies that put people from across the globe in the palm of one's hand. And as the world has shrunk, it has also demanded that things happen ever faster -- including the time it takes to charge an electronic device.

Materials scientists develop new forming technology: Processing glass like a polymer

Thu, 2018-05-17 19:53
Pure quartz glass is highly transparent and resistant to thermal, physical, and chemical impacts. These are optimum prerequisites for use in optics, data technology or medical engineering. For efficient, high-quality machining, however, adequate processes are lacking. Scientists have developed a forming technology to structure quartz glass like a polymer.

Researchers control the properties of graphene transistors using pressure

Wed, 2018-05-16 22:41
Researchers have developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices.

Glass-forming ability: Fundamental understanding leading to smart design

Wed, 2018-05-16 22:07
Researchers studied the glass-forming ability of two simple systems, establishing the 'thermodynamic interface penalty,' which is an indicator of the extent of the structural difference between a crystal and its melt. The fundamental understanding acquired is expected to lead to physics-driven design of glassy materials, allowing for better control and tailoring, and aiding advances in the manufacture of numerous materials including metallic alloys.

New device could increase battery life of electronics by a hundred-fold

Wed, 2018-05-16 22:06
Among the chief complaints for smartphone, laptop and other battery-operated electronics users is that the battery life is too short and -- in some cases -- that the devices generate heat. Now, a group of physicists has developed a device material that can address both issues. The team has applied for a patent for a magnetic material that employs a unique structure -- a 'honeycomb' lattice that exhibits distinctive electronic properties.

Plug-and-play diagnostic devices

Wed, 2018-05-16 19:53
Researchers have developed modular blocks that can be put together in different ways to produce diagnostic devices. These 'plug-and-play' devices can test blood glucose levels in diabetic patients or detect viral infection, among other functions.

High-sensitivity microsensors on the horizon

Tue, 2018-05-15 00:49
A new article explains how scientists borrowed concepts from quantum mechanics to build new microsensors that can enable data gathering from hard-to-monitor environments.

Engineers on a roll toward smaller, more efficient radio frequency transformers

Mon, 2018-05-14 21:55
The future of electronic devices lies partly within the 'internet of things' -- the network of devices, vehicles and appliances embedded within electronics to enable connectivity and data exchange. Engineers are helping realize this future by minimizing the size of one notoriously large element of integrated circuits used for wireless communication -- the transformer.

How a pinch of salt can improve battery performance

Mon, 2018-05-14 19:25
Researchers have discovered how a pinch of salt can be used to drastically improve the performance of batteries.

Shedding light on a cyclic molecule with a twist

Mon, 2018-05-14 18:45
As suggested by their name, Möbius molecules have a twisted loop structure, a special characteristic with many potential applications. A research team has revealed the properties of a type of Möbius aromatic molecule that expresses magnetism and retains high energy levels when exposed to light. These characteristics could potentially be applied in organic solar batteries, lights, and conductive materials.

Waterloo chemists create faster and more efficient way to process information

Fri, 2018-05-11 17:41
Chemists have found a much faster and more efficient way to store and process information by expanding the limitations of how the flow of electricity can be used and managed.

Strain improves performance of atomically thin semiconductor material

Thu, 2018-05-10 21:20
Materials scientists show conclusively for the first time that the properties of atomically thin materials can be mechanically manipulated to enhance their performance. The finding could lead to faster computer processors and more efficient optical sensors.

Battery-free 'smart' toys move closer to commercial reality

Wed, 2018-05-09 21:46
Scientists report they have used specialized nanogenerators that gather energy from mechanical vibrations to transform squeaky bathtub companions and other conventional children's toys into 'smart' electronics. They say the finding could have broad commercial applications, leading to the development of battery-free, self-powered toys, medical sensors and other devices.

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