Electronics news

• Discovery could help lengthen lifespan of electronic devices

  09-04-2021 16:45 via feeds.sciencedaily.com
  Researchers have made a significant discovery in the field of materials science, for the first time providing a full picture of how fatigue in ferroelectric materials occurs.
  
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• Graphene: Everything under control in a quantum material

  08-04-2021 19:15 via feeds.sciencedaily.com
  In a new study, a team of researchers demonstrates that graphene's nonlinearity can be very efficiently controlled by applying comparatively modest electrical voltages to the material.
  
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• The spintronics technology revolution could be just a hopfion away

  08-04-2021 17:23 via feeds.sciencedaily.com
  A research team has created and observed quasiparticles called 3D hopfions at the nanoscale (billionths of a meter) in a magnetic system. The discovery could advance high-density, high-speed, low-power, yet ultrastable magnetic memory 'spintronics' devices.
  
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• A breakthrough that enables practical semiconductor spintronics

  08-04-2021 17:23 via feeds.sciencedaily.com
  It may be possible in the future to use information technology where electron spin is used to store, process and transfer information in quantum computers. It has long been the goal of scientists to be able to use spin-based quantum information technology at room temperature. Researchers have now constructed a semiconductor component in which information can be efficiently exchanged between electron spin and light at room temperature and above.
  
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• Elasticity to position microplates on curved 2D fluids

  05-04-2021 21:02 via feeds.sciencedaily.com
  A team of polymer science and engineering researchers has demonstrated for the first time that the positions of tiny, flat, solid objects integrated in nanometrically thin membranes - resembling those of biological cells - can be controlled by mechanically varying the elastic forces in the membrane itself. This research milestone is a significant step toward the goal of creating ultrathin flexible materials that self-organize and respond immediately to mechanical force.
  
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• Atom-based radio communications for noisy environments

  05-04-2021 20:01 via feeds.sciencedaily.com
  Researchers have demonstrated an atom-based sensor that can determine the direction of an incoming radio signal, another key part for a potential atomic communications system that could be smaller and work better in noisy environments than conventional technology.
  
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• Less than a nanometer thick, stronger and more versatile than steel

  05-04-2021 19:10 via feeds.sciencedaily.com
  Scientists report a breakthrough involving a material called borophane, a sheet of boron and hydrogen a mere two atoms in thickness.
  
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• A new, positive approach could be the key to next-generation, transparent electronics

  05-04-2021 17:36 via feeds.sciencedaily.com
  A new study could pave the way to revolutionary, transparent electronics for potential integration in glass, flexible displays and smart contact lenses -- bringing to life futuristic 'scifi-like' devices. A decades-long search for electronics based on semiconducting oxides could also find use in power electronics and communications, reducing the carbon footprint of our utility networks. The introduction of a new 2D semiconductor fills a crucial gap in the materials spectrum to enable fast, trans
  
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• Kirigami-style fabrication may enable new 3D nanostructures

  02-04-2021 15:59 via feeds.sciencedaily.com
  A new technique that mimics the ancient Japanese art of kirigami may offer an easier way to fabricate complex 3D nanostructures for use in electronics, manufacturing and health care.
  
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• A new technique to synthesize superconducting materials

  31-03-2021 16:35 via feeds.sciencedaily.com
  Researchers who demonstrated superconducting materials at room temperatures last fall, now report a new technique in the quest to also create the materials at lower pressures. They describe separating hydrogen atoms from yttrium with a thin film of palladium inside a diamond anvil.
  
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• Scientists develop ultra-thin terahertz source

  30-03-2021 18:12 via feeds.sciencedaily.com
  Physicists have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms.
  
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• Discovery of a mechanism for making superconductors more resistant to magnetic fields

  30-03-2021 15:24 via feeds.sciencedaily.com
  Superconductivity is known to be easily destroyed by strong magnetic fields. Researchers have discovered that a superconductor with atomic-scale thickness can retain its superconductivity even when a strong magnetic field is applied to it. The team has also identified a new mechanism behind this phenomenon. These results may facilitate the development of superconducting materials resistant to magnetic fields and topological superconductors composed of superconducting and magnetic materials.
  
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• Fileless Malware Attacks Surge by 900% and Cryptominers Make a Comeback, While Ransomware Attacks Decline

  30-03-2021 10:34 via realwire.com
  
  WatchGuard research uncovers massive increases in endpoint attacks, rising rate of encrypted malware and new exploits targeting IoT devices 30 March 2021 – WatchGuard® Technologies’ latest Internet Security Report reveals that fileless malware and cryptominer attack rates grew by nearly 900% and 25% respectively, while unique ransomware payloads plummeted by 48% in 2020 compared to 2019. The WatchGuard Threat Lab also found that Q4 2020 brought a 41% increase in encrypted malware
  
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• Researchers link silicon atoms on surfaces

  29-03-2021 21:33 via feeds.sciencedaily.com
  A team consisting of various working groups from the fields of chemistry and physics has now linked silicon atoms on surfaces. From silicon polymers, the researchers hope for innovative material properties and new, promising candidates for potential applications.
  
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• Deciphering the secrets of printed electronics

  29-03-2021 18:28 via feeds.sciencedaily.com
  A team of researchers has published a comprehensive review of the development of printed electronics. This will enable researchers to address problems within the field of flexible, bendable, stretchable and intelligent electronics.
  
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• Plasmon-coupled gold nanoparticles useful for thermal history sensing

  26-03-2021 17:27 via feeds.sciencedaily.com
  Researchers have demonstrated that stretching shape-memory polymers embedded with clusters of gold nanoparticles alters their plasmon-coupling, giving rise to desirable optical properties. One potential application for the material is a sensor that relies on optical properties to track an object or environment's thermal history.
  
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• Researchers harvest energy from radio waves to power wearable devices

  26-03-2021 00:02 via feeds.sciencedaily.com
  From microwave ovens to Wi-Fi connections, the radio waves that permeate the environment are not just signals of energy consumed but are also sources of energy themselves. An international team of researchers has developed a way to harvest energy from radio waves to power wearable devices.
  
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• Technology uses 'single' approach to develop electronics, acoustics

  25-03-2021 13:48 via feeds.sciencedaily.com
  An innovator developed a new approach to creating popular thin films for devices across a broad range of fields, including optics, acoustics and electronics. Epitaxial lithium niobate (LNO) thin films are an attractive material for electronics and other devices. These films offer flexibility and other properties that are important to manufacturers.
  
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• Optical fiber could boost power of superconducting quantum computers

  24-03-2021 18:54 via feeds.sciencedaily.com
  The secret to building superconducting quantum computers with massive processing power may be an ordinary telecommunications technology - optical fiber. Physicists have measured and controlled a superconducting quantum bit (qubit) using light-conducting fiber instead of metal electrical wires, paving the way to packing a million qubits into a quantum computer rather than just a few thousand.
  
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• Scientists observe complex tunable magnetism in a topological material

  23-03-2021 22:58 via feeds.sciencedaily.com
  Scientists have observed novel helical magnetic ordering in the topological compound EuIn2As2 which supports exotic electrical conduction tunable by a magnetic field.
  
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• A promising breakthrough for a better design of electronic materials

  19-03-2021 23:39 via feeds.sciencedaily.com
  Scientists have demonstrated the role played by molecular vibrations on electron conductivity on crystals of such materials. This finding is important for applications of these molecular materials in electronics, energy and information storage.
  
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• Artificial neuron device could shrink energy use and size of neural network hardware

  18-03-2021 17:25 via feeds.sciencedaily.com
  Neural network training could one day require less computing power and hardware, thanks to a new nanodevice that can run neural network computations using 100 to 1000 times less energy and area than existing CMOS-based hardware.
  
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• Magnetism meets topology on a superconductor's surface

  17-03-2021 16:18 via feeds.sciencedaily.com
  Scientists studying a compound belonging to the family of iron-based high-temperature superconductors have found that an energy band gap -- an energy range where no electrons are allowed -- opens at a point where two allowed energy bands intersect on the material's surface. This unusual electronic energy structure could be leveraged for quantum information science and electronics.
  
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• Catching electrons in action in an antiferromagnetic nanowire

  16-03-2021 23:36 via feeds.sciencedaily.com
  The electron is one of the fundamental particles in nature we read about in school. Its behavior holds clues to new ways to store digital data. A new study explores alternative materials to improve capacity and shrink the size of digital data storage technologies. Specifically, the team found that chromium-doped nanowires with a germanium core and silicon shell can be an antiferromagnetic semiconductor.
  
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• New perovskite LED emits a circularly polarized glow

  12-03-2021 18:13 via feeds.sciencedaily.com
  LEDs led to the high-definition viewing experience we've come to expect from our screens. A new type of LED that utilizes spintronics could take displays to the next level.
  
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• Unique Ag-hydrogel composite for soft bioelectronics created

  12-03-2021 00:59 via feeds.sciencedaily.com
  Researchers have developed a new silver-hydrogel composite for bioelectronics that combines high electrical conductivity with soft, stretchable biocompatibility.
  
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• Scientists stabilize atomically thin boron for practical use

  11-03-2021 20:22 via feeds.sciencedaily.com
  By binding borophene with atomic hydrogen, researchers have created borophane -- a version of atomically thin boron that is stable at standard temperatures and air pressures.
  
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• New analysis of 2D perovskites could shape the future of solar cells and LEDs

  11-03-2021 18:35 via feeds.sciencedaily.com
  An innovative analysis of two-dimensional (2D) materials could boost the development of next-generation solar cells and LEDs.
  
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• Nano-mapping phase transitions in electronic materials

  10-03-2021 18:24 via feeds.sciencedaily.com
  Scientists have combined two powerful, cutting-edge techniques to uncover the physics behind an exotic phase transition that turns a metal into an insulator. The materials they looked at are rare-earth nickelates, which are of great interest for innovating new approaches in electronics.
  
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• Sushi-like rolled 2D heterostructures may lead to new miniaturized electronics

  10-03-2021 00:57 via feeds.sciencedaily.com
  The recent synthesis of one-dimensional van der Waals heterostructures, a type of heterostructure made by layering two-dimensional materials that are one atom thick, may lead to new, miniaturized electronics that are currently not possible, according to a research team.
  
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• 'Wearable microgrid' uses the human body to sustainably power small gadgets

  09-03-2021 15:13 via feeds.sciencedaily.com
  This shirt harvests and stores energy from the human body to power small electronics. UC San Diego nanoengineers call it a ''wearable microgrid''-- it combines energy from the wearer's sweat and movement to provide sustainable power for wearable devices.
  
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• Lights on for silicon photonics

  08-03-2021 21:25 via feeds.sciencedaily.com
  The demonstration of electroluminescence at terahertz frequencies from a silicon-germanium device marks a key step towards the long-sought goal of a silicon-based laser.
  
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• Reduced heat leakage improves wearable health device

  08-03-2021 14:42 via feeds.sciencedaily.com
  By reducing heat leakage, engineers improve wearable device powered by body heat.
  
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• Life's rich pattern: Researchers use sound to shape the future of printing

  05-03-2021 17:35 via feeds.sciencedaily.com
  Researchers have developed a way to coax microscopic particles and droplets into precise patterns by harnessing the power of sound in air. The implications for printing, especially in the fields of medicine and electronics, are far-reaching.
  
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• Taking 2D materials for a spin

  05-03-2021 16:03 via feeds.sciencedaily.com
  Scientists mapped the spin-density distribution of electrons traveling through a molybdenum disulfide transistor cooled to almost absolute zero. This work may help advance the field of spin-based electronics that would be faster and more efficient compared with current devices.
  
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• 'Egg carton' quantum dot array could lead to ultralow power devices

  04-03-2021 18:53 via feeds.sciencedaily.com
  A new path toward sending and receiving information with single photons of light has been discovered by an international team of researchers.
  
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• New strategy for efficient OLED active matrix displays

  02-03-2021 16:48 via feeds.sciencedaily.com
  Researchers introduce a novel device concept towards high-efficient and low-voltage vertical organic lighting-emitting transistors. With the new device architecture and fabrication technology, the team paves the way for a broad application of efficient OLED active matrix displays.
  
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• New skills of Graphene: Tunable lattice vibrations

  01-03-2021 15:59 via feeds.sciencedaily.com
  Technological innovation in the last century was mainly based on the control of electrons or photons. Now, in the emerging research field of phononics, phonons or vibrations of the crystal lattice attract attention. A team showed a graphene-based phononic crystal whose resonant frequency can be tuned over a broad range and has used a helium-ion microscope to produce such a crystal. This is a real breakthrough in the field of phononics.
  
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• Light-emitting tattoo engineered

  26-02-2021 18:13 via feeds.sciencedaily.com
  The technology, which uses organic light-emitting diodes (OLEDs), is applied in the same way as water transfer tattoos. That is, the OLEDs are fabricated on to temporary tattoo paper and transferred to a new surface by being pressed on to it and dabbed with water.
  
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• Scientists induce artificial 'magnetic texture' in graphene

  25-02-2021 20:27 via feeds.sciencedaily.com
  Graphene is not magnetic -- a shortcoming that has stunted its usefulness in spintronics, an emerging field that could rewrite the rules of electronics, leading to more powerful semiconductors and computers. Researchers report an advancement to overcome this obstacle. They describe pairing a magnet with graphene, and inducing what they call 'artificial magnetic texture' in the nonmagnetic wonder material.
  
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• Molecular bridges power up printed electronics

  25-02-2021 17:31 via feeds.sciencedaily.com
  Researchers have boosted the efficiency of conductive inks and devices connecting layered materials flakes with small molecules.
  
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• Pushing computing to the edge by rethinking microchips' design

  24-02-2021 20:36 via feeds.sciencedaily.com
  Responding to artificial intelligence's exploding demands on computer networks, researchers in recent years have radically increased the speed and slashed the energy use of specialized AI systems. Now, the researchers have moved their innovation closer to widespread use by creating co-designed hardware and software that will allow designers to blend these new types of systems into their applications.
  
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• Data transfer system connects silicon chips with a hair's-width cable

  24-02-2021 20:36 via feeds.sciencedaily.com
  Researchers developed a data transfer link that's slimmer, more energy efficient, and faster than alternatives like USB or fiber optics. The advance could cut energy budgets at data centers and lighten the load for electronics-rich aircraft.
  
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• Materials scientists show way to make durable artificial tendons from improved hydrogels

  24-02-2021 18:03 via feeds.sciencedaily.com
  Materials scientists and their colleagues have developed a new method to make synthetic biomaterials that mimic the internal structure, stretchiness, strength and durability of tendons and other biological tissues.
  
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• An intelligent soft material that curls under pressure or expands when stretched

  24-02-2021 17:30 via feeds.sciencedaily.com
  Plants and animals can rapidly respond to changes in their environment, such as a Venus flytrap snapping shut when a fly touches it. However, replicating similar actions in soft robots requires complex mechanics and sensors. Now, researchers reporting have printed liquid metal circuits onto a single piece of soft polymer, creating an intelligent material that curls under pressure or mechanical strain.
  
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• Fabricating the future with a new environment friendly method of polymerization

  24-02-2021 16:08 via feeds.sciencedaily.com
  The current use of metal catalysts to develop polymers leads to suboptimal quality polymers that contain metallic impurities and involves a reaction process that is not environment friendly. Now, scientists have successfully demonstrated the room temperature formation of vinyl and styrene polymers -- two most abundantly found polymers in plastics -- using non-ionic, non-metallic organocatalysts, which pave the way for a low cost, environment friendly, efficient polymer-driven future.
  
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• Spintronics: New production method makes crystalline microstructures universally usable

  23-02-2021 17:07 via feeds.sciencedaily.com
  New storage and information technology requires new higher performance materials. One of these materials is yttrium iron garnet, which has special magnetic properties. Thanks to a new process, it can now be transferred to any material. Developed by physicists, the method could advance the production of smaller, faster and more energy-efficient components for data storage and information processing.
  
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• Polymer film protects from electromagnetic radiation, signal interference

  22-02-2021 22:41 via feeds.sciencedaily.com
  Engineers describe a flexible film using a quasi-one-dimensional nanomaterial filler that combines excellent electromagnetic shielding with ease of manufacture.
  
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• 'Beautiful marriage' of quantum enemies

  22-02-2021 22:41 via feeds.sciencedaily.com
  Scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
  
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• New catalyst could enable better lithium-sulfur batteries, power next-gen electronics

  22-02-2021 15:50 via feeds.sciencedaily.com
  Lithium-sulfur batteries, given their light weight and theoretical high capacities, are a promising alternative to conventional lithium-ion batteries for large-scale energy storage systems, drones, electric vehicles, etc. But at present, they suffer from poor battery life, limiting their applicability. Now, scientists have discovered a new catalyst material's ability to significantly improve lithium-sulfur battery life, opening doors to their near-future practical commercial realization.
  
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