Current Transistors News and Events

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Nanowire could provide a stable, easy-to-make superconducting transistor
MIT researchers developed a superconducting nanowire that could enable efficient, easy-to-make electronics. The advance could boost quantum computing, as well as magnetic sensors for applications in brain imaging and telescopes. (2021-02-11)

Silicon waveguides move us closer to faster, light-based logic circuits
IBM researchers have succeeded in guiding visible light through a silicon wire efficiently, an important milestone in the exploration towards a new breed of faster, more efficient logic circuits. (2021-02-08)

Going Organic: uOttawa team realizing the limitless possibilities of wearable electronics
uOttawa Professor BenoƮt Lessard and his team are developing carbon-based technologies which could lead to improved flexible phone displays, make robotic skin more sensitive and allow for wearable electronics that could monitor the physical health of athletes in real-time. (2021-01-27)

A professor from RUDN University developed new liquid crystals
A professor from RUDN University together with his Indian colleagues synthesized and studied new dibenzophenazine-based liquid crystals that could potentially be used in optoelectronics and solar panels. (2021-01-22)

Team creates hybrid chips with processors and memory to run AI on battery-powered devices
Transactions between processors and memory can consume 95 percent of the energy needed to do machine learning and AI, which severely limits battery life. A team led by Stanford engineers has designed a system that can run AI tasks faster, and with less energy, by harnessing eight hybrid chips, each with its own data processor built right next to its own memory storage. (2021-01-11)

Accelerating AI computing to the speed of light
A University of Washington-led team has come up with a system that could help speed up AI performance and find ways to reduce its energy consumption: an optical computing core prototype that uses phase-change material. (2021-01-08)

Surrey unveils breakthrough manufacturing process of ultra-thin sensor for smart contact lenses
Smart contact lenses could soon become mainstream thanks to a new manufacturing process that has allowed the University of Surrey to develop a multifunctional ultra-thin sensor layer. (2021-01-06)

Industry collaboration leads to important milestone in the creation of a quantum computer
One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum computer and perform the actual calculations, the qubits, have hitherto been made by universities and in small numbers. But in recent years, a pan-European collaboration, in partnership with French microelectronics leader CEA-Leti, has been exploring everyday transistors--that are present in billions in all our mobile phones--for their use as qubits. (2020-12-28)

New discovery brings analogue spintronic devices closer
The observation of nonlinearity in electron spin-related processes in graphene makes it easier to transport, manipulate and detect spins, as well as spin-to-charge conversion. It also allows analogue operations such as amplitude modulation and spin amplification. This brings spintronics to the point where regular electronics was after the introduction of the first transistors. These results by University of Groningen physicists were published in the journal Physical Review Applied on 17 December. (2020-12-18)

Flexible and powerful electronics
A team of researchers led by the University of Tsukuba has developed a method for optimizing the electrical properties of carbon-based conductors by turning them into an ionic gel. This work may open the way for cheap, highly efficient sensors that can be printed on flexible surfaces. (2020-12-16)

New fullerene crystal production method 50 times faster than predecessor
Researchers from Yokohama National University and the University of Electro-Communications in Japan have developed a highly efficient technique for producing a unique fullerene crystal, called fullerene finned-micropillar (FFMP), that is of significant use for next-generation electronics. In a paper published in Scientific Reports in November 2020 (DOI: 10.1038/s41598-020-76252-6), the team details how they utilized a small heating apparatus that accepted fullerene and heated it to a temperature of 1,173 Kelvin for about an hour. (2020-12-15)

Researchers develop Si-based super-high frequency nanoelectromechanical resonator
Recently, a group led by Prof. GUO Guoping from the University of Science and Technology of China of the Chinese Academy of Sciences, collaborating with Prof. ZHANG Zhen's group from Uppsala University, Sweden, designed and fabricated CMOS-compatible suspended SHT devices which worked as super-high frequency nanoelectromechanical resonators. The work was published in Advanced Materials. (2020-12-15)

Atom-thin transistor uses half the voltage of common semiconductors, boosts current density
University at Buffalo researchers report a new, two-dimensional transistor made of graphene and molybdenum disulfide that needs less voltage and can handle more current than today's semiconductors. (2020-12-10)

Discovery suggests new promise for nonsilicon computer transistors
An alloy material called InGaAs could be suitable for high-performance computer transistors, according to MIT researchers. If operated at high-frequencies, InGaAs transistors could one day rival those made of silicon. (2020-12-09)

Harnessing quantum properties to create single-molecule devices
Researchers, led by Columbia Engineering Prof Latha Venkataraman, report today that they have discovered a new chemical design principle for exploiting destructive quantum interference. They used their approach to create a six-nanometer single-molecule switch where the on-state current is more than 10,000 times greater than the off-state current--the largest change in current achieved for a single-molecule circuit to date. (2020-12-07)

New transistor design disguises key computer chip hardware from hackers
Purdue University engineers propose a built-in security measure that would better protect computer chip hardware from hackers (2020-12-07)

To accelerate or decelerate in the light-emitting process of zinc-oxide crystals
A recent study has measured the internal quantum efficiency (IQE) of Zinc-Oxide (ZnO) crystals in both the light-emitting process and non-light-emitting process. (2020-12-06)

FEFU scientists explain how to storage cipher data in magnetic skyrmions
Scientists of Far Eastern Federal University (FEFU) with international collaborators propose direct magnetic writing of skyrmions, i.e. magnetic quasiparticles, and skyrmion lattices, within which it is possible to encode, transmit, process information, and produce topological patterns with a resolution of less than 100 nanometers. This brings closer miniaturized post-silicon electronics, new topological cryptography techniques, and green data centers, reducing the load on the Earth's ecosystem significantly. A related article appears in ACS Nano. (2020-11-30)

Researchers find conformational disorder tuning charge carrier mobility in 2D perovskites
Researchers from the University of Science and Technology of China synthesized a series of 2D organic-inorganic hybrid perovskites films with large organic spacer cations, and found that mobility and broadband emission showed strong dependence on the molecular conformational order of organic cations. (2020-11-23)

New insights into memristive devices by combining incipient ferroelectrics and graphene
Scientists are working to create neuromorphic computers, with a design based on the human brain. A crucial component is a memristive device, the resistance of which depends on the history of the device - just like the response of our neurons depends on previous input. Materials scientists from the University of Groningen analysed the behaviour of strontium titanium oxide, a platform material for memristor research and used the 2D material graphene to probe it. (2020-11-20)

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)

A new method to measure optical absorption in semiconductor crystals
Tohoku University researchers have revealed more details about omnidirectional photoluminescence (ODPL) spectroscopy - a method for probing semiconducting crystals with light to detect defects and impurities. (2020-10-29)

Breakthrough quantum-dot transistors create a flexible alternative to conventional electronics
Researchers at Los Alamos National Laboratory and their collaborators from the University of California, Irvine have created fundamental electronic building blocks out of tiny structures known as quantum dots and used them to assemble functional logic circuits. (2020-10-29)

Researchers break magnetic memory speed record
An international team of researchers has created a new technique for magnetization switching -- the process used to ''write'' information into magnetic memory -- that is nearly 100 times faster than state-of-the-art spintronic devices. The advance could lead to the development of ultrafast magnetic memory for computer chips that would retain data even when there is no power. (2020-10-28)

Modeling organic-field effect transistors with a molecular resolution
Organic field-effect transistors represent a promising type of organic electronic device with applications including (bio)sensors, electrical circuits, or data storage. A fundamental understanding of their operation is critical to their further development and the design of more efficient organic semiconductors. Scientists based in the United States summarize here recent advances in the molecular-level modeling of organic field-effect transistors and outline future directions of interest. (2020-10-13)

Liquid metals come to the rescue of semiconductors
Two-dimensional semiconductors offer a possible solution to the limited potential for further shrinking of traditional silicon-based electronics: the long-predicted end of 'Moore's Law'. 2D-based electronics, which could eliminate wasted dissipation of heat and allow for very fast, ultra-low energy operation, could be enabled by a new liquid-metal deposition technique developed at UNSW. (2020-10-11)

HKU Engineering team develops novel miniaturised organic semiconductor
An engineering team led by Dr Paddy Chan Kwok Leung at the Department of Mechanical Engineering of the University of Hong Kong (HKU) has made an important breakthrough in developing the staggered structure monolayer Organic Field Effect Transistors, which sets a major cornerstone to reduce the size of OFETs. The result has been published in the academic journal Advanced Materials. A US patent has been filed for the innovation. (2020-10-08)

Printing organic transistors
Researchers successfully print and demonstrate organic transistors, electronic switches, which can operate close to their theoretical speed limits. They showed high-speed operation only requires low voltages to work, which would reduce the power consumption of their applications. These kinds of transistors are used in display technology such as liquid crystal display (LCD) screens and e-ink. This is the first time this kind of transistor has been printed and it could lead to new curved, flexible and even wearable low power devices. (2020-10-07)

All-2D light-emitting field-effect transistors
All-2D light-emitting field-effect transistors. (2020-10-04)

Metal wires of carbon complete toolbox for carbon-based computers
Carbon-based computers have the potential to be a lot faster and much more energy efficient than silicon-based computers, but 2D graphene and carbon nanotubes have proved challenging to turn into the elements needed to construct transistor circuits. Graphene nanoribbons can overcome these limitations, but to date scientists have been made only semiconductors and insulators, not the metallic wires to connect them. UC Berkeley scientists have now achieved the goal of a metallic graphene nanoribbon. (2020-09-24)

New brain cell-like nanodevices work together to identify mutations in viruses
In the September issue of the journal Nature, scientists from Texas A&M University, Hewlett Packard Labs and Stanford University have described a new nanodevice that acts almost identically to a brain cell. Furthermore, they have shown that these synthetic brain cells can be joined together to form intricate networks that can then solve problems in a brain-like manner. (2020-09-23)

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)

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)

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)

Artificial materials for more efficient electronics
The discovery by a team of the University of Geneva of an unprecedented physical effect in a new artificial material marks a significant milestone in the lengthy process of developing ''made-to-order'' materials and more energy-efficient electronics. (2020-08-18)

2D materials for ultrascaled field-effect transistors
Since the discovery of graphene, two-dimensional materials have been the focus of materials research. Among other things, they could be used to build tiny, high-performance transistors. Researchers at ETH Zurich and EPF Lausanne have now simulated and evaluated one hundred possible materials for this purpose and discovered 13 promising candidates. (2020-08-17)

Surrey's simplified circuit design could revolutionise how wearables are manufactured
Researchers have demonstrated the use of a ground-breaking circuit design that could transform manufacturing processes for wearable technology. (2020-08-03)

Photochromic bismuth complexes show great promise for optical memory elements
Russian chemists obtained a new photochromic complex composed of bismuth (III) and viologen cations and used the new compound to create optical memory elements that were shown to be highly efficient and stable. The outcomes of the study may serve to expand the range of microelectronics components in the future. (2020-07-24)

Researchers realize nanoscale electrometry based on magnetic-field-resistant spin sensor
USTC researchers proposed a robust electrometric method utilizing continuous dynamic decoupling (CDD) technique, where the continuous driving fields provide a magnetic-field-resistant dressed frame. (2020-07-17)

Microscopic computers: The wires of the future may be made of molecules
There are physical limits to how powerful computers can become if they are to maintain their size. Molecular electronics can solve that problem, and now SDU researchers are contributing to this field with a new, efficient conducting material, based on molecules. (2020-06-23)

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