Current Electronics News and Events

Current Electronics News and Events, Electronics News Articles.
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Laser technology: New trick for infrared laser pulses
For a long time, scientists have been looking for simple methods to produce infrared laser pulses. Now a new method has been presented that does not require large experimental setups; it can be easily miniaturized and is therefore particularly interesting for practical applications. (2020-11-23)

Scientists develop a magnetic switch with lower energy consumption
Joint research conducted by the UAB has shown the ability to switch magnetizacion « on » and « off » using voltage in a new class of easy-to-fabricate materials containing nitrogen. These results, published in Nature Communications, may be used to reduce energy consumption in electronic technologies. (2020-11-18)

A 2D perspective: stacking materials to realize a low power consuming future
Scientists have designed a 2D material-based multi-stacked structure comprising tungsten disulfide (WS2) layer sandwiched between hexagonal boron nitride (hBN) layers that displays long-range interaction between successive WS2 layers with potential for reducing circuit design complexity and power consumption. (2020-11-18)

NIST sensor experts invent supercool mini thermometer
Researchers at the National Institute of Standards and Technology (NIST) have invented a miniature thermometer with big potential applications such as monitoring the temperature of processor chips in superconductor-based quantum computers, which must stay cold to work properly. (2020-11-17)

Smaller than ever--exploring the unusual properties of quantum-sized materials
Scientists at Tokyo Institute of Technology (Tokyo Tech) synthesize sub-nanometer particles with precisely controlled proportions of indium and tin using specific macromolecular templates called dendrimers. Through a screening process spanning different metallic ratios, they discovered unusual electronic states and optical properties originating from size-miniaturization and elemental-hybridization. Their approach could be a first step in the development of sub-nanoparticles with unique functionalities and characteristics for electronic, magnetic, and catalytic applications. (2020-11-12)

Getting single-crystal diamond ready for electronics
Researchers from Osaka University and collaborating partners polished single-crystal diamond to near-atomic smoothness without damaging it. This will improve the performance and sustainability of future electronics. (2020-11-10)

Swirl power: how gentle body movement will charge your mobile phone
Scientists have discovered a way to generate electricity from nylon - the stretchy fabric used widely in sportswear and other shape-hugging apparel - raising hopes that the clothes on our backs will become an important source of energy. (2020-11-06)

'Electronic skin' promises cheap and recyclable alternative to wearable devices
Researchers at the University of Colorado Boulder are developing a wearable electronic device that's 'really wearable'--a stretchy and fully-recyclable circuit board that's inspired by, and sticks onto, human skin. (2020-11-06)

Next-generation computer chip with two heads
EPFL engineers have developed a computer chip that combines two functions - logic operations and data storage - into a single architecture, paving the way to more efficient devices. Their technology is particularly promising for applications relying on artificial intelligence. (2020-11-05)

Implantable device can monitor and treat heart disease
Cunjiang Yu, Bill D. Cook Associate Professor of Mechanical Engineering at UH, led a group of researchers that has reported developing a cardiac patch made from fully rubbery electronics that can be placed directly on the heart to collect electrophysiological activity, temperature, heartbeat and other indicators, all at the same time. (2020-11-03)

Reviewing multiferroics for future, low-energy data storage
Big data and exponential demands for computations are driving an unsustainable rise in global ICT energy use. A new UNSW study reviews the use of the 'multiferroic' material bismuth-ferrite, which allows for low-energy switching in data storage devices and could be applied in a future generation of ultra-low-energy electronics. (2020-10-22)

Innovation spins spider web architecture into 3D imaging technology
Purdue University innovators are taking cues from nature to develop 3D photodetectors for biomedical imaging. The Purdue researchers used some architectural features from spider webs to develop the technology. (2020-10-21)

Good vibrations for new energy
Imagine a mobile phone charger that doesn't need a wireless or mains power source. Or a pacemaker with inbuilt organic energy sources within the human body. Australian researchers led by Flinders University are picking up the challenge of 'scavenging' invisible power from low-frequency vibrations in the surrounding environment, including wind, air or even contact-separation energy (static electricity). (2020-10-21)

Kitchen temperature supercurrents from stacked 2D materials
A 'stack' of 2D materials could allow for supercurrents at ground-breakingly warm temperatures, easily achievable in the household kitchen. An international study published in August opens a new route to high-temperature supercurrents -- at temperatures, as 'warm' as inside your kitchen fridge. (Previously, superconductivity has been difficult even at temperatures as low as -170°C, making superconductivity impractical for many of its most exciting applications.) (2020-10-20)

Detecting early-stage failure in electric power conversion devices
Researchers from Osaka University used acoustic emission during power cycling tests to monitor in real time the complete failure process--from the earliest stages--in silicon carbide Schottsky diodes. This development will help solve wear-out failure problems that are limiting advanced applications in computers, solar cells, and many other devices. (2020-10-19)

Researching the chips of the future
The chips of the future will include photonics and electronics; they will have a bandwidth, speed and processing and computing abilities that are currently unthinkable. (2020-10-19)

uOttawa researchers find cheaper, faster way to measure the electric field of light
Researchers at the University of Ottawa have created a new method to measure the temporal evolution of electric fields with optical frequencies. The new approach, which works in ambient air, facilitates the direct measurement of the field waveform and could lead to breakthroughs in high-speed electronics. (2020-10-16)

Researchers develop a plant-based thermotherapy patch
A team of researchers at Tampere University, Finland, has developed a biodegradable, transparent, flexible and fast-acting thermotherapy patch from plant leaves. The patch is compatible with flexible electronic applications. Plant material was used to reduce the amount of electronic waste. (2020-10-15)

LiU researchers first to develop an organic battery
Researchers at the Laboratory of Organic Electronics, Linköping University, have for the first time demonstrated an organic battery. It is of a type known as a 'redox flow battery', with a large capacity that can be used to store energy from wind turbines and solar cells, and as a power bank for cars. An article now published in Advanced Functional Materials. (2020-10-15)

Wearable circuits printed directly on human skin
Wearable electronics are getting smaller, more comfortable and increasingly capable of interfacing with the human body. To achieve a truly seamless integration, electronics could someday be printed directly on people's skin. As a step toward this goal, researchers reporting in ACS Applied Materials & Interfaces have safely placed wearable circuits directly onto the surface of human skin to monitor health indicators, such as temperature, blood oxygen, heart rate and blood pressure. (2020-10-14)

Ultra-sensitive nanothermometer under ambient conditions
Nanoscale temperature measurement with high sensitivity is important to studying many phenomena ranging from heat dissipation in nanocircuits to thermal processes in live systems. The most sensitive nanothermometer working under ambient conditions is demonstrated by hybridizing the critical magnetism of magnetic nanoparticles and the ultra-sensitive diamond-based magnetometer. The sensitivity of the hybrid nanothermometer is as high as 76 uK/sqrt(Hz). The ultra-sensitive nanothermometer offers a new tool to investigate thermal processes in nanoscale systems. (2020-10-14)

Record high values of peak power with picosecond generators
Powerful picosecond generators are in demand in various fields of experimental electrophysics to produce ultrashort electron beams and X-ray pulses in vacuum diodes and to form runaway electron flows in gases and researchers are constantly striving to obtain shorter and more powerful pulses. In Review of Scientific Instruments, scientists showed compact solid-state pulse generators could generate electrical pulses of less than one-billionth of a second in duration and up to 50 billion watts in power. (2020-10-13)

Plant-based spray could be used in n95 masks and energy devices
Engineers have invented a way to spray extremely thin wires made of a plant-based material that could be used in N95 mask filters, devices that harvest energy for electricity, and potentially the creation of human organs. The method involves spraying methylcellulose, a renewable plastic material derived from plant cellulose, on 3D-printed and other objects ranging from electronics to plants, according to a Rutgers-led study in the journal Materials Horizons. (2020-10-07)

Next-gen smartphones to keep their cool
Multilayered carbon material could be the perfect fit for heat management in electronic devices. (2020-10-07)

Energy-harvesting plastics pass the acid test
Air-stable coatings can improve the longevity of wearable devices that tap into body heat. (2020-10-06)

Dresden physicists develop printable organic transistors
Scientists at the Institute of Applied Physics at TU Dresden have come a step closer to the vision of a broad application of flexible, printable electronics. The team around Dr Hans Kleemann has succeeded for the first time in developing powerful vertical organic transistors with two independent control electrodes. The results have recently been published in the renowned online journal ''Nature Communications''. (2020-09-22)

Scientists propose multifunctional liquid metal nanocapsules
Prof. LI Chaoxu and his coworkers from the Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) have proposed multifunctional liquid metal nanocapsules. (2020-09-21)

Researchers create better material for wearable biosensors
Researchers at Binghamton University, State University of New York have used electrospinning to make porous silicone that allows sweat to evaporate. (2020-09-16)

Reviewing the quantum material 'engine room', QAHE
An Australian collaboration reviews the quantum anomalous Hall effect (QAHE), one of the most fascinating and important recent discoveries in condensed-matter physics. QAHE allows zero-resistance electrical 'edge paths' in emerging quantum materials such as topological insulators, opening great potential for ultra-low energy electronics. (2020-09-16)

Medical robotic hand? Rubbery semiconductor makes it possible
A medical robotic hand could allow doctors to more accurately diagnose and treat people from halfway around the world, but currently available technologies aren't good enough to match the in-person experience. Now researchers have reported that they have designed and produced a smart electronic skin and a medical robotic hand capable of assessing vital diagnostic data by using a newly invented rubbery semiconductor. (2020-09-16)

Sturdy fabric-based piezoelectric energy harvester takes us one step closer to wearable electronics
KAIST researchers presented a highly flexible but sturdy wearable piezoelectric harvester using the simple and easy fabrication process of hot pressing and tape casting. This energy harvester, which has record high interfacial adhesion strength, will take us one step closer to being able to manufacture embedded wearable electronics. (2020-09-16)

Transistor-integrated cooling for a more powerful chip
EPFL researchers have created a single chip that combines a transistor and micro-fluidic cooling system. Their research, which has been published in Nature, should help save energy and further shrink the size of electronic components. (2020-09-09)

A chemist from RUDN developed a new type of one-molecule thick water-repellent film
A chemist from RUDN University together with colleagues created a new type of two-dimensional nanofilm from an organic material called calixarene. The invention can be used as a protective coating in electronics and as a part of molecular filters. They also suggested a way of increasing the durability of such films with UV radiation (2020-09-09)

New electronic skin can react to pain like human skin
New pain-sensing prototype mimics the body's near-instant feedback response and reacts to painful sensations with the same lighting speed that nerve signals travel to the brain. It's a significant advance towards next-generation biomedical technologies, smart prosthetics and intelligent robotics. (2020-09-01)

A four-state magnetic tunnel junction for novel spintronics applications
Researchers have introduced a new type of MTJ with four resistance states, and successfully demonstrated switching between the states with spin currents. The increased number of states is achieved by replacing one of the magnetic layers with a structure in the form of two crossing ellipses. Such MTJs may enable novel spintronics devices, e.g., multi-level MRAM which stores data much more densely, or neuromorphic memory that meets artificial intelligence challenges in performing cognitive tasks. (2020-08-21)

Controlling the electron spin: Flip it quickly but carefully
Over the past two decades, a new area at the interface of semiconductor physics, electronics and quantum mechanics has been gaining popularity among theoretical physicists and experimenters. This new field is called spintronics, and one of its main tasks is to learn how to control the spin of charge carriers in well known semiconductor structures. (2020-08-19)

Sustainable biosynthetic transparent films for plastic substitute
A team lead by Prof. YU Shuhong from the University of Science and Technology of China (USTC) report an ultra-strong, ultra-tough and transparent nacre-inspired nanocomposite film, which is constructed from sustainable ingredients by living bacteria. (2020-08-14)

Unexpectedly-fast conduction electrons in Na3Bi
An Australian-led study uses a scanning-tunnelling microscope 'trick' to map electronic structure in Na3Bi, seeking an answer to that material's extremely high electron mobility and finding that exchange and correlation effects are crucial to electron speed, and therefore mobility, and thus to the use of this exciting class of materials in future ultra-low energy electronics. (2020-08-14)

Efficient valves for electron spins
Researchers at the University of Basel in collaboration with colleagues from Pisa have developed a new concept that uses the electron spin to switch an electrical current. In addition to fundamental research, such spin valves are also the key elements in spintronics -- a type of electronics that exploits the spin instead of the charge of electrons. The results were published in the scientific journal Communications Physics. (2020-08-12)

Tiniest secrets of integrated circuits revealed with new imaging technique
The secrets of the tiniest active structures in integrated circuits can be revealed using a non-destructive imaging technique, shows an international team of scientists from JKU and Keysight Technologies (Austria), ETH/EPFL/PSI and IBM Research - Europe (Switzerland) and from UCL (UK). (2020-08-05)

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