Physics

Researchers from Osaka University and collaborating partners have synthesized triarylborane (TAB) compounds that exhibit unusual optical responses upon binding to certain anions. They also synthesized thin polymer films that incorporate the TAB and retain the sensing as well as the light emission properties of the TAB. This work is an important advance in plastic research and has applications in analyte sensing as well as electronic display technologies.

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Nanocellular graphene, a specialized form of the revolutionary material graphene, is coveted for its ability to improve the performance of electronic devices, energy devices and sensors. But its development has been stymied by cracks that appear during the manufacturing process. Now, researchers have discovered a means to achieve crack-free, robust NCG - something they successfully put to use in a sodium battery.

Researchers at Tohoku University have made a groundbreaking advancement in battery technology, developing a novel cathode material for rechargeable magnesium batteries that enables efficient charging and discharging even at low temperatures.

Drawing inspiration from the way plants breathe, a group of researchers at Tohoku University has created a paper-based magnesium-air battery that can be used in GPS sensors or pulse oximeter sensors. Taking advantage of paper’s recyclability and lightweight nature, the engineered battery holds promise for a more environmentally friendly source of energy.

Researchers from the Institute of Industrial Science, The University of Tokyo and collaborating partners have created guidelines for the design of intercalated materials, which will accelerate research on energy storage, electronics, and more

AI is revolutionizing the way researchers seek to identify new materials, but it still has some shortcomings. Now, a team of researchers has navigated AI’s pitfalls to identify a thermoelectric material that boasts remarkable properties.

A team of researchers has proposed a new concept for magnet-based memory devices, which might revolutionize information storage devices owing to their potential for large-scale integration, non-volatility, and high durability.

Understanding electron behavior and surface structure of triphenylene thin film molecules deposited on graphite substrates under light irradiation

The “scope of action” and the velocity of Dirac electrons in an organic material

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Metal-nitrogen-carbon (M-N-C) single-atom catalysts are a promising type of catalyst that could help provide cost-effective alternatives to platinum-based ones. However, there are still some aspects of their behavior that are misunderstood. To rectify this, a group of researchers delved into the intricacies of M-N-C catalysts, yielding promising results.

Researchers from the Institute of Industrial Science, The University of Tokyo have solved a foundational problem in transmitting quantum information, which could dramatically enhance the utility of integrated circuits and quantum computing.

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A collaborative group of researchers has potentially developed a means of controlling spin waves by creating a hexagonal pattern of copper disks on a magnetic insulator. The breakthrough is expected to lead to greater efficiency and miniaturization of communication devices in fields such as artificial intelligence and automation technology.

Carbon nanostructures could become easier to design and synthesize thanks to a machine learning method that predicts how they grow on metal surfaces. The new approach, developed by researchers at Japan’s Tohoku University and China’s Shanghai Jiao Tong University, will make it easier to exploit the unique chemical versatility of carbon nanotechnology.

A theoretical framework for measuring the Reynolds similitude in superfluids could help demonstrate the existence of quantum viscosity

Corrugated wings exhibit larger lift than flat wings

Scientists are eager to harness the unique electrical properties of topological magnets for advancing thermoelectric materials. A collaborative research group has successfully induced positive and negative polarities, unlocking the potential for generating thermoelectric energy from materials with topological magnet properties.

Researchers at Tohoku University have developed guidelines for a single-nanometer magnetic tunnel junction (MTJ), allowing for performance tailoring to meet the requirements of diverse applications, ranging from AI/IoT to automobiles and space technologies.

Non-Heisenberg-type approximant crystals have many interesting properties and are intriguing for researchers of condensed matter physics. However, their magnetic phase diagrams, which are crucial for realizing their potential, remain completely unknown. Now, for the first time, a team of researchers has constructed the magnetic phase diagram of a non-Heisenberg Tsai-type 1/1 gold-gallium-terbium approximant crystal. This development marks a significant step forward for quasicrystal research and for the realization of magnetic refrigerators and spintronic devices.

Researchers from Osaka University and collaborating partners have helped minimize the cost of an important class of chemical transformations: converting nitriles into primary amines. Their experimental protocol uses a cheap nickel catalyst instead of an expensive noble metal, is convenient to conduct, and works for a broad range of starting materials. This work is an important advance in sustainable chemistry that might help lower the cost of producing nylon and many other everyday products.

Researchers from SANKEN (The Institute of Scientific and Industrial Research), at Osaka University, Shizuoka Institute of Science & Technology, and collaborating partners have resolved a problem that has limited the environmental sustainability of peracid synthesis. By judicious choice of the solvent and light input, approximately room-temperature autoxidation of aldehydes proceeds in a manner that results in industrially useful peracids or carboxylic acids. This work is an important advance in green chemistry that will help minimize the carbon footprint of the chemical industry.

What actually happens is much weirder, and may help us understand more about quantum mechanics

Identifying low-cost metal oxide electrocatalysts is essential to help us wean ourselves off fossil fuels. Yet doing so is a time-consuming process, with lots of trial and error required. A group of researchers has explored how data mining can be employed to help speed up this process.

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Osaka Metropolitan University researchers and their colleagues have successfully detected an ultra-high-energy cosmic ray with an energy level comparable to the most energetic cosmic ray ever observed. The cosmic ray is set to be named after the Japanese sun goddess, Amaterasu. No promising astronomical object has been identified in the direction from which this cosmic ray originated, implying the potential existence of unknown astronomical phenomena and novel physical origins beyond the Standard Model.

Glass is a fundamental material. Yet its atomic structure still baffles scientists to this day. Researchers have developed a new way to quantify ring shapes in chemically bonded networks of glass, chipping away at some of the mysteries behind glass’s atomic structure.

… all while discovering how the Universe evolved, how galaxies form and where the elements come from.