https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Researchers at the 4th Physics Institute of the University of Stuttgart and the Istituto Italiano di Tecnologia (IIT) in Milan have demonstrated a new mechanism for directing light in a naturally hyperbolic van der Waals material without conventional nanofabricated waveguides. The discovery opens new possibilities for integrated photonics, on-chip optical communication and future quantum technologies. The paper is published in the journal Nature Nanotechnology. https://phys.org/news/2026-08-nano-optics-mechanism-channeling-natural.html Nanophysics Tue, 04 Aug 2026 14:40:03 EDT news705065941 Earth's oceans repeatedly lost oxygen and produced metal deposits during the planet's deepest ice ages. An international team of researchers analyzed manganese and other chemical signatures preserved in more than 27,000 ancient seafloor samples collected from six continents. https://phys.org/news/2026-08-metal-deposits-reveal-ice-ages.html Earth Sciences Mon, 03 Aug 2026 12:40:03 EDT news704977622 Nitrogen gas is abundant in Earth's atmosphere, but most living organisms can't readily use it. Only a subset of microbes with enzymes known as nitrogenases can break nitrogen gas apart and convert it into ammonia. https://phys.org/news/2026-07-nitrogen-enzymes-efficient.html Biochemistry Sun, 02 Aug 2026 12:00:01 EDT news704646542 The Hiroshima blast on Aug. 6, 1945, was one of the most devastating events in human history. Like all nuclear detonations, it created fleeting moments of extreme heat, pressure, mixing and cooling. These conditions can briefly produce materials that could never form under normal circumstances. https://phys.org/news/2026-07-hiroshima-blast-debris-reveals-previously.html Analytical Chemistry Thu, 30 Jul 2026 10:40:04 EDT news704623621 A research team led by SKKU professor Hosung Seo of the Department of Quantum Information Engineering and the SKKU Advanced Institute of Nanotechnology, working with the University of Wisconsin–Madison and the University of Washington, has identified—for the first time—an atomic defect structure in the zinc oxide (ZnO) semiconductor with outstanding properties for use as a "spin qubit," a core building block of future quantum computers, quantum communications and quantum sensors. https://phys.org/news/2026-07-world-zinc-oxide-qubit-advance.html Quantum Physics Fri, 24 Jul 2026 09:20:04 EDT news704102581 Electrical interconnects may very well be the unsung heroes of modern microchips. These tiny wires—typically made of copper due to its high conductivity—string together the billions of transistors that drive our computers and electronic devices. But as the technology advances and additional transistors are piled on, the components must shrink to the nanoscale. And that's when copper begins to fail. https://phys.org/news/2026-07-thinner-wires-faster-electrons-quantum.html Nanomaterials Fri, 17 Jul 2026 11:40:01 EDT news703497286 Nanocrystals are so useful that they formed the basis of the 2023 Nobel Prize in Chemistry. But despite their usefulness, scientists have so far been able to make these microscopic crystals from only a limited palette of materials. A group of chemists at the University of Chicago and Argonne National Laboratory has announced a way to make nanocrystals from a useful class of materials known as metal nitrides—a previously impossible task. https://phys.org/news/2026-07-chemists-gallium-nitride-material-nanocrystals.html Nanomaterials Thu, 16 Jul 2026 10:20:07 EDT news703405455 Researchers at the College of Design and Engineering at the National University of Singapore have identified a key design principle for building reliable electronics from materials only one atomic layer thick, giving engineers a clearer way to control unwanted electrical leakage in future ultra-small devices. https://phys.org/news/2026-07-nanoscale-gaps-reveal-atom-thin.html Nanomaterials Wed, 15 Jul 2026 13:00:05 EDT news703328944 Phase transformations—in which a material changes from one crystal structure to another, thereby acquiring dramatically different properties—are ubiquitous in nature. Understanding the microscopic mechanisms of these transformations is essential for controlling material properties and designing functional devices. https://phys.org/news/2026-07-atomic-domino-effect-phase-dimensional.html Nanomaterials Mon, 06 Jul 2026 17:00:08 EDT news702563334 Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and their collaborators have demonstrated a promising new approach for converting methane—the primary component of natural gas—into liquid chemicals that are precursors for many industrial chemicals and fuels. The research, described in a paper just published in Advanced Functional Materials, shows how molybdenum disulfide (MoS2), an earth-abundant industrial catalyst, can be used with minimal tweaking to selectively convert methane into methyl peroxide and other liquid oxygenate compounds at temperatures below 100°C (212°F). Methyl peroxide is a precursor for making methanol, an energy-dense liquid fuel that can be transported easily. https://phys.org/news/2026-06-abundant-catalyst-methane-valuable-liquid.html Analytical Chemistry Tue, 30 Jun 2026 19:20:03 EDT news702043741 A newly developed method allows researchers to dynamically switch chirality—a particular lack of mirror symmetry—to generate spin currents in semiconductors, researchers from Science Tokyo report. Their approach relies on the reversible insertion and removal of small chiral molecules from the interlayer gaps of a layered, nonchiral semiconductor material using electrochemistry. https://phys.org/news/2026-06-reversible-chirality-mos-generates-currents.html Condensed Matter Wed, 17 Jun 2026 12:40:05 EDT news700909861 As the global semiconductor industry enters the so-called 2-nanometer process era, the actual size of transistors—the core components of semiconductor chips—still remains above 10 nm. How much smaller, then, can transistors get? KAIST researchers have developed a technology to predict that limit through quantum mechanical, atom-level calculations. https://phys.org/news/2026-06-atomic-simulations-transistor-scaling-limits.html Nanophysics Mon, 15 Jun 2026 10:00:05 EDT news700734001 Researchers have demonstrated the ability to use van der Waals forces to tune the physical and electronic properties of ferroelectric thin films. The work opens the door to new techniques for engineering materials for use in smaller, more energy efficient electronic devices. https://phys.org/news/2026-06-van-der-waals-play-unexpected.html Nanophysics Mon, 08 Jun 2026 15:20:04 EDT news700148551 Researchers in Japan have created some of the world's smallest semiconducting nanotubes, structures 100,000 times thinner than a human hair. By growing molybdenum disulfide inside protective tubes of boron nitride, the researchers, including those from the University of Tokyo, produced highly uniform tubes just 1 nanometer wide, a scale at which it's difficult to make stable nanotube structures. The work confirms decades-old theoretical predictions about how these ultrafine materials behave and could also provide a new route toward miniaturized electronic devices. https://phys.org/news/2026-06-ultrathin-nanotubes-nanometer-path-smaller.html Nanomaterials Thu, 04 Jun 2026 14:00:12 EDT news699784622 Cornell researchers have developed a new way to create moiré patterns—atomic-scale structures that can give materials unusual quantum behaviors—without relying on the traditionally used difficult-to-control twisting and stacking methods. The study is published in the Proceedings of the National Academy of Sciences. https://phys.org/news/2026-06-strain-moir-2d-materials-stacking.html Nanophysics Tue, 02 Jun 2026 19:40:02 EDT news699629881 Discovering new catalysts is one of the central challenges in developing clean-energy technologies such as green hydrogen production. Yet catalyst discovery has traditionally remained confined within individual material families, limiting researchers' ability to transfer knowledge across chemically distinct systems. https://phys.org/news/2026-05-ai-catalyst-boundaries-uncover-route.html Analytical Chemistry Sun, 31 May 2026 13:00:01 EDT news699204084 A new chip-making technique exploits a material's crystal structure to create nanoscale patterns at room temperature directly onto hard materials used in devices, including silica. The method could make it easier to pattern chips relaying both electronic- and light-based signals, helping advance next-generation photonic and optoelectronic devices. https://phys.org/news/2026-05-stressed-crystal-nanoscale-patterns-chip.html Nanophysics Fri, 22 May 2026 11:00:07 EDT news698662022 From the highest mountains to the deepest ocean, the driest desert to the lushest jungle, Earth displays a dazzling array of life-forms. And eukaryotes account for many of these life-forms, including nearly all of the multicellular life we can see in the landscape. But scientists are still piecing together exactly how this domain of life evolved from simpler predecessors. https://phys.org/news/2026-05-early-complex-life-clung-oxygenated.html Cell & Microbiology Wed, 20 May 2026 11:00:10 EDT news698493481 Controlling heat flow is a major challenge for many technologies. In electronic and photonic devices, for example, heat dissipation can limit the performance and efficiency, as well as their potential for further miniaturization. At the same time, two-dimensional (2D) materials, which are made of layers just a few atoms thick, have emerged as a promising platform in these fields. For example, 2D semiconductors are expected to be used in conduction channels of future transistors. However, their thermal behavior remains difficult to predict and control. https://phys.org/news/2026-05-honey-regime-ultrathin-semiconductors.html Nanophysics Fri, 15 May 2026 09:20:01 EDT news698054064 Amines are a functional group characterized by the presence of a nitrogen atom bonded to one or more alkyl or aryl (aromatic ring) groups. Derived from ammonia, amines play crucial roles in biological systems and various industrial applications. In everyday life, they can be found in common products such as medicines and cosmetics, where they act as active ingredients or stabilizers. However, the production of amines typically relies on complex chemical processes that are often based on intermediates derived from fossil fuels or involve energy-intensive steps. https://phys.org/news/2026-05-sustainable-electrosynthesis-enables-production-amines.html Analytical Chemistry Wed, 13 May 2026 15:35:50 EDT news697904761 Battery acid from old cars, with a little help from a catalyst, can give plastic waste a new purpose, using it to drive the production of useful chemicals, powered by sunlight alone. A recent study by researchers at the University of Cambridge found a way to turn everyday plastics such as PET from water bottles, nylon, and polyurethane into useful chemical feedstocks. https://phys.org/news/2026-05-bottles-battery-acid-production-valuable.html Polymers Fri, 08 May 2026 12:40:01 EDT news697453249 University of Birmingham researchers have demonstrated a new method to break down toxic pollutants in wastewater, using sunlight and molecular-thin catalysts created using an innovative "mechanical" approach. Non-degradable dyes originating from industries such as textiles, cosmetics, food, pharmaceuticals, and printing, are among the most prominent sources of industrial pollution. Left untreated, they disperse in both land and water, leading to contamination that poses serious risks to human health and the environment. https://phys.org/news/2026-05-mechanical-method-sunlight-driven-wastewater.html Analytical Chemistry Thu, 07 May 2026 18:30:02 EDT news697392421 A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal molybdenum, which was incredibly scarce in the environment at the time. The study, published in Nature Communications, is the first to show that molybdenum was used by ancient life this far back in our planet's history. https://phys.org/news/2026-05-billion-years-earth-life-rare.html Astrobiology Tue, 05 May 2026 16:50:01 EDT news697215543 To capture a crisp image of a hummingbird in flight, which can flap its wings up to 200 times per second, a photographer needs a camera with an extremely fast shutter speed. But what if your target is smaller than a single chromosome and can travel at velocities approaching lightspeed? Conventional cameras, no matter how advanced, are limited by the nature of light. You would need a special device and an innovative method to film such a tiny, speedy subject. https://phys.org/news/2026-05-chemists-capture-hybrid-particles-distances.html Nanophysics Mon, 04 May 2026 15:40:09 EDT news697119482 Researchers have demonstrated a new technique for creating 2D materials that runs at room temperature and increases production rates tenfold over current methods, without using toxic solvents. Scientists led by Dr. Jason Stafford from the Department of Mechanical Engineering demonstrated the method can produce nanosheets of conductors, semiconductors and insulators, which are the building blocks of all digital devices and technologies produced today. The research is published in the journal Small. https://phys.org/news/2026-04-room-temperature-vibrations-industry-graphene.html Nanomaterials Mon, 27 Apr 2026 19:20:04 EDT news696521222 2D materials are widely seen as a promising path toward better computer chips. Researchers at TU Wien have now shown that some of these materials are unsuitable due to an underestimated effect. But there are alternatives. https://phys.org/news/2026-04-mind-gap-semiconductor-industry-wrong.html Nanophysics Mon, 20 Apr 2026 10:00:01 EDT news695893685 Low-temperature CO2 hydrogenation might have sounded almost paradoxical until a recent study made it possible. Researchers have designed new catalysts that can transform the greenhouse gas into methanol at temperatures ranging from room temperature to 200° C, whereas most catalysts can operate only at or above 250° C. The research is published in the journal Nature Chemistry. https://phys.org/news/2026-04-disk-catalyst-carbon-dioxide-methanol.html Analytical Chemistry Thu, 02 Apr 2026 09:00:03 EDT news694278373 An international research team led by scientists from Skoltech has developed a method to position molecules on the surface of ultrathin materials with unprecedented precision using molecular DNA self-assembly, enabling the creation of quantum light sources. The results, published in the journal Light: Science & Applications, pave the way for the production of compact and efficient components for future quantum computers and secure communication networks. https://phys.org/news/2026-03-dna-origami-precisely-positions-photon.html Optics & Photonics Wed, 25 Mar 2026 10:00:05 EDT news693649141 The high-performance semiconductor devices powering smartphone displays, AI computing, EV batteries and more are increasingly incorporating 2D materials to overcome silicon's scaling limits. To optimize these technologies, a University of Michigan Engineering team developed a precise mathematical framework that accounts for anisotropic—or unevenly spreading—conductivity and device geometry. https://phys.org/news/2026-03-2d-electronics-anisotropic-contact-resistance.html Nanophysics Fri, 20 Mar 2026 18:40:01 EDT news693233901 Controlling light at the micro- and nanoscale opens up opportunities for a better understanding of the world and the development of technology. As modern electronics approaches the limits of its capabilities, photonics comes into play. Instead of manipulating relatively heavy and slow electrons, we can use light and fast photons to encode information. This will make it possible to create devices that are not only faster but also even smaller than those currently in use. https://phys.org/news/2026-03-ultra-thin-mose8322-infrared-nanometer.html Nanophysics Thu, 19 Mar 2026 17:20:05 EDT news693154681