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. Resolving a long-standing problem in semiconductor physics and optoelectronics, a team of researchers from Skoltech—a VEB.RF group institution—and their colleagues from ITMO University and HSE University have for the first time demonstrated direct electrical pumping of a polariton laser based on a solution-processed halide perovskite microcrystal. Published in Nature, this solution to a decades-long technological challenge ushers in inexpensive nonepitaxial laser diodes operating under continuous electric current. These could be used in optical sensing and spectroscopy, high-speed computing and energy-efficient neuromorphic computing. https://phys.org/news/2026-07-electrically-perovskite-polariton-laser-diode.html Condensed Matter Wed, 29 Jul 2026 15:20:06 EDT news704544242 Electronic motion sets the stage for virtually every light-induced process in nature, from the first step of a chemical reaction to the flow of charge in a solid. Yet these processes unfold so rapidly that they can be observed only with flashes of light lasting a few hundred attoseconds—billionths of a billionth of a second. https://phys.org/news/2026-07-attosecond-capture-electrons-motion.html General Physics Wed, 29 Jul 2026 10:40:06 EDT news704538601 A fleeting photoinduced electronic state and the subsequent formation of a photoinduced hidden state in a metal–organic framework were captured in just 30 femtoseconds by researchers at Science Tokyo, Tohoku University and Nagoya Institute of Technology, Japan. By combining ultrafast laser spectroscopy with theoretical analysis, the researchers found that a transient electronic state plays a key role in this process. The findings provide new insights into controlling material properties with light for future applications. https://phys.org/news/2026-07-reveals-transient-electronic-hidden-state.html Condensed Matter Mon, 27 Jul 2026 16:30:01 EDT news704386981 Photographs can reveal things that are otherwise impossible for the naked eye to see, be they distant galaxies or microscopic cells. Researchers at Osaka Metropolitan University have developed a practical and versatile imaging technique that makes another usually invisible phenomenon visible: surface plasmon polaritons (SPPs), light waves that travel along metal surfaces. https://phys.org/news/2026-07-quantum-dots-reveal-hidden-metal.html Nanophysics Fri, 24 Jul 2026 14:40:07 EDT news704113602 Researchers at City College of New York physicist Vinod M. Menon's Laboratory for Nano and Micro Photonics (LaNMP) have outlined an emerging frontier in quantum materials: atomically thin systems in which light, magnetism and electric charge are strongly intertwined. This rapidly evolving field could enable next-generation optoelectronic and quantum technologies leveraging the coupled dynamics of light, charge and spin. https://phys.org/news/2026-07-frontier-quantum-materials.html Condensed Matter Tue, 14 Jul 2026 09:00:02 EDT news703232979 Light Emitting Diodes (LEDs) are used in everything from household lighting and mobile phones to large display screens. Improving their efficiency could reduce energy use and enhance performance across a wide range of technologies. A new study involving researchers from the University of Liverpool and the University of Strathclyde has demonstrated a powerful way to identify tiny crystal defects that can reduce the efficiency of LED materials. The advance could help scientists better understand how these defects form and ultimately support the development of more efficient electronic and optoelectronic devices. https://phys.org/news/2026-07-imaging-method-fresh-insight-materials.html Analytical Chemistry Sun, 12 Jul 2026 16:00:01 EDT news702896148 Nanocrystals are already used in millions of devices, including televisions, laptops and displays, and are considered key materials for the next generation of quantum, sensing and solar technologies. However, they have not yet fully realized their potential. One major reason is their inherent heterogeneity: A single solution contains billions of nanocrystals whose properties can differ substantially. Although these particles can be characterized, important quality parameters are typically accessible only as average values across the entire sample. https://phys.org/news/2026-07-method-particle-quality-nanocrystal.html Nanomaterials Sun, 12 Jul 2026 08:00:02 EDT news702822051 Researchers at Nagoya University in Japan have developed gallium-doped zinc oxide (GZO) nanosheets that may enhance camera resolution in compact devices, including smartphones and medical endoscopes. https://phys.org/news/2026-07-transparent-nanosheets-cameras-high-resolution.html Nanophysics Thu, 09 Jul 2026 08:40:01 EDT news702802141 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 An international research team has demonstrated that the intrinsic disorder of the compound semiconductor CuInSnS₄ can be exploited to influence its optical properties. While the atomic vibrations also sense the local disorder, their response is averaged over many different local environments and therefore appears isotropic, as expected for a cubic crystal. https://phys.org/news/2026-06-disorder-optics-compound-semiconductors.html Condensed Matter Mon, 29 Jun 2026 18:10:02 EDT news701968441 In a recent study, Manish Garg, independent group leader at Max Planck Institute for Solid State Research (MPI FKF), succeeded in probing the local properties of bright and dark excitons in the organic superconductor copper naphthalocyanine (CuNc). The findings are published in the journal Nature Communications. https://phys.org/news/2026-06-packet-interferometry-captures-elusive-dark.html Condensed Matter Tue, 23 Jun 2026 18:10:03 EDT news701453702 Scientists from the National Graphene Institute at the University of Manchester and Sun Yat-sen University have captured the growth of semiconducting tellurium nanostructures in liquid in real time, revealing how tiny seed particles form, grow into nanowires and compete for material as the structures develop. https://phys.org/news/2026-06-real-microscopy-reveals-semiconductor-nanowires.html Nanophysics Thu, 18 Jun 2026 11:00:15 EDT news700900801 Quantum materials, materials with properties that are governed by the laws of quantum mechanics, have proved to be highly promising for the development of ultra-efficient electronic devices, quantum processors, highly precise sensors and various other technologies. Reliably controlling these materials' quantum phases would be highly advantageous, as it would enable engineers to tailor and optimize their properties for specific applications. https://phys.org/news/2026-06-quantum-hall-stripes-2d-materials.html Optics & Photonics Fri, 12 Jun 2026 07:00:03 EDT news700304463 Physicists from Emory University have led work to develop a microscopic, nonlinear light source that can be switched on, off or tuned to a particular intensity by an electrical "knob." The paper is published in the journal Optica, and could aid in the design of smaller, more flexible technologies for communications, sensing and quantum computing. https://phys.org/news/2026-05-electrical-knob-tune-intensity-nanoscale.html Optics & Photonics Thu, 28 May 2026 17:50:01 EDT news699207961 Scientists at the University of California, Riverside are making breakthroughs in understanding how quantum wave functions move across ultra-thin materials—research that could eventually improve solar energy technologies and help lay the groundwork for new forms of quantum computing. https://phys.org/news/2026-05-quantum-vibronics-future-energy-technologies.html Condensed Matter Thu, 28 May 2026 15:00:02 EDT news699191461 Researchers from Monash University have developed a breakthrough nanoscale circuit that can generate, direct, and read light-based information, all on a single chip. https://phys.org/news/2026-05-tiny-chip-circuit-power-generation.html Nanophysics Tue, 26 May 2026 04:00:02 EDT news698662142 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 When we think about highly sensitive medical testing, we often imagine a hospital laboratory filled with large instruments, trained technicians, and carefully controlled conditions. This is especially true for optical biosensing, where scientists try to detect extremely small changes caused by biomolecules binding to a sensor surface. https://phys.org/news/2026-05-based-sensor-ultrasensitive-disease-portable.html Optics & Photonics Thu, 21 May 2026 17:40:01 EDT news698499656 A sheet of twisted carbon nanotubes has revealed a hidden talent scientists suspected for decades but had never managed to measure. Researchers at Rice University have created large, highly ordered films of chiral carbon nanotubes (CNTs), hollow cylinders of carbon atoms with either a left- or a right-handed twist. Measurements showed the crystalline films can convert the color of light at a rate two to three orders of magnitude greater than conventional materials. https://phys.org/news/2026-05-chiral-carbon-nanotube-giant-conversion.html Nanophysics Wed, 20 May 2026 12:00:05 EDT news698494921 Researchers at Clarkson University are advancing the use of artificial intelligence and computational physics to accelerate discovery of next-generation materials for quantum technologies, optoelectronics, and renewable energy applications. https://phys.org/news/2026-05-quantum-scale-simulations-ai-uncover.html Nanophysics Tue, 19 May 2026 18:20:01 EDT news698426281 Perovskites are a class of materials with a unique crystal structure that suits applications such as fabricating solar cells, light-emitting diodes and transistors. However, molecules in thin layers often cannot arrange themselves properly because the process proceeds too quickly. Now, an international research team led by Tomasz Marszalek from the Max Planck Institute for Polymer Research has developed a new approach to controlling low-cost solution processing, thereby improving the formation of well-ordered perovskite layers and enabling their broader application in optoelectronic devices. Their paper is published in the Journal of the American Chemical Society. https://phys.org/news/2026-05-crystallization-perovskite-layers-transistors.html Analytical Chemistry Mon, 18 May 2026 19:20:01 EDT news698340781 The rapid growth of large language models is placing increasing demands on data centers, where large volumes of data must be transferred efficiently between servers. Optical interconnects are essential for enabling this communication, but as data rates continue to rise, these systems must deliver higher bandwidth while maintaining low latency and energy efficiency. However, integrating electronic and photonic components remains challenging, as conventional approaches often introduce signal loss, limit interconnect density, and restrict scalability. https://phys.org/news/2026-05-reconfigurable-ge-si-photodetector-ultrahigh.html Optics & Photonics Mon, 18 May 2026 18:50:01 EDT news698344321 A research team led by Professor Sohee Jeong at Sungkyunkwan University has uncovered a key chemical pathway for the controlled synthesis of III–V semiconductor quantum dots, a class of next-generation infrared materials expected to play an important role in autonomous driving sensors, smart sensing systems, night-vision devices, and short-wave infrared optoelectronics. https://phys.org/news/2026-05-chemical-pathway-generation-infrared-iiiv.html Nanophysics Mon, 18 May 2026 13:20:05 EDT news698322061 As modern technologies shrink to the nanoscale, surfaces increasingly dictate how materials deform, yield, and fail. Yet probing this regime has long been hindered by the challenge of preparing and controlling surfaces with true atomic precision, particularly at the outermost atomic layer. https://phys.org/news/2026-05-atomic-stepterrace-enables-unprecedented-precision.html Nanomaterials Wed, 13 May 2026 09:09:37 EDT news697882141 Photodetectors remain a critical component in the development of advanced electronics and photonics, particularly in the role of signal readout through the conversion of photons into electrons. These digital imaging components are ubiquitous in sensors, cameras, adaptive displays, telecommunications, LiDAR systems, health monitoring wearables, and oximeters. https://phys.org/news/2026-05-solar-2d-heterostructure-responsivity-gain.html Nanophysics Tue, 05 May 2026 16:40:05 EDT news697195813 A two-dimensional lamellar crystal composed of atomically thin layers of lead iodide (PbI2) could be used to manufacture a new generation of circuits that use light and mechanical vibrations (rather than electrons) to transmit information in the terahertz frequency range. https://phys.org/news/2026-05-inexpensive-material-compresses-paving-photonic.html Condensed Matter Tue, 05 May 2026 15:50:01 EDT news697212182 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 A joint research team led by Professor Park Kyoung-Duck and Associate Director Suh Yung Doug of the Center for Multidimensional Carbon Materials within the Institute for Basic Science (IBS) has succeeded in realizing a high-efficiency quantum light source that emits bright lights even at room temperature. The study is published in the journal Science Advances. https://phys.org/news/2026-04-bright-quantum-emission-room-temperature.html Optics & Photonics Sat, 18 Apr 2026 09:00:01 EDT news695395962 An international team of researchers, led by scientists from the University of California, Irvine, has demonstrated a fundamentally new way to make silicon emit light—overcoming one of the most persistent limitations in modern electronics and photonics. In their work appearing in Nano Letters, the scientists show that silicon, long considered an inefficient light emitter due to its indirect bandgap, can be transformed into a bright, broadband source. The researchers produced emissions from silicon in its conventional bulk form, without modification to its composition or structure. Instead, the breakthrough comes from modifying the properties of light itself. https://phys.org/news/2026-04-momentum-photonic-states-bulk-silicon.html Nanophysics Wed, 08 Apr 2026 18:30:01 EDT news694886582 Many current wireless communication, imaging and sensing technologies rely on components that convert oscillating electric and magnetic fields (i.e., electromagnetic waves) into electrical signals. Some of the most used components are so-called p-n diodes, semiconducting devices that combine two types of materials with distinct electrical properties. https://phys.org/news/2026-03-hall-rectenna-ghz-frequency-range.html Condensed Matter Sun, 22 Mar 2026 11:00:01 EDT news692975982