Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Quantum emitter discovery in diamonds enables a new type of coupling Researchers at The City College of New York have shown how a quantum emitter, the nitrogen-vacancy (NV) center in diamond, interacts in unexpected ways with a specially engineered photonic structure when moved around with a scanning tip. /news/2025-09-quantum-emitter-discovery-diamonds-enables.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 03 Sep 2025 16:07:03 EDT news676134422 MRI technology inspires quantum advancement with 2D materials The same technology behind MRI images of injury or disease also powers nuclear magnetic resonance (NMR) spectroscopy, which is used to analyze biological molecules for research on diseases and therapeutics. While NMR spectroscopy produces valuable data about the structure of molecules, the resolution is too low to sense individual atoms. /news/2025-08-mri-technology-quantum-advancement-2d.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 27 Aug 2025 12:11:04 EDT news675515461 High-performance iron catalyst for fuel cells provides platinum alternative Proton exchange membrane fuel cells (PEMFCs), often referred to as "hydrogen power banks," are clean energy devices that generate electricity from hydrogen and oxygen with only water as a byproduct. /news/2025-08-high-iron-catalyst-fuel-cells.html Analytical Chemistry Materials Science Wed, 27 Aug 2025 11:36:03 EDT news675513361 Defect engineering accelerates carrier relaxation in GaN-based LEDs A study conducted by researchers from the Changchun Institute of Optics, Fine Mechanics and Âé¶¹ÒùÔºics (CIOMP) of the Chinese Academy of Sciences has demonstrated how nitrogen vacancies (VN) resolve asymmetric carrier injection in GaN-based light-emitting diodes (LEDs), providing a practical way to improve device efficiency. /news/2025-08-defect-carrier-gan-based.html Condensed Matter Optics & Photonics Thu, 21 Aug 2025 11:12:02 EDT news674993521 Robust isolated quantum spins established on a magnetic substrate Establishing robust isolated spins on solid surfaces is crucial for fabricating quantum bits or qubits, sensors, and single-atom catalysts. An isolated spin is a single spin that is shielded from external interactions. Because isolated spins can maintain their state for long periods, they are ideal for use as qubits, the basic units of quantum computation, and for ultrafast spintronic memory. /news/2025-08-robust-isolated-quantum-magnetic-substrate.html Nanophysics Nanomaterials Wed, 20 Aug 2025 15:29:52 EDT news674922588 From thousands of defects, one magnesium oxide qubit emerges as a quantum contender Used as a versatile material in industry and health care, magnesium oxide may also be a good candidate for quantum technologies. Research led by the U.S. Department of Energy's (DOE) Argonne National Laboratory and published in npj Computational Materials reveals a defect in the mineral that could be useful for quantum applications. /news/2025-07-thousands-defects-magnesium-oxide-qubit.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 29 Jul 2025 09:26:17 EDT news672999972 New scheme mitigates self-discharging in quantum batteries Quantum batteries (QBs) are energy storage devices that could serve as an alternative to classical batteries, potentially charging faster and enabling the extraction of more energy. In contrast with existing batteries, these batteries leverage effects rooted in quantum mechanics, such as entanglement and superposition. /news/2025-07-scheme-mitigates-discharging-quantum-batteries.html Quantum Âé¶¹ÒùÔºics Thu, 24 Jul 2025 07:00:01 EDT news672491889 Scientists unveil new way to control magnetism in super-thin materials A powerful new method to control magnetic behavior in ultra-thin materials could lead to faster, smaller and more energy-efficient technologies, a study suggests. /news/2025-07-scientists-unveil-magnetism-super-thin.html Condensed Matter Mon, 14 Jul 2025 09:13:57 EDT news671703232 Scientists use lightning to make ammonia out of thin air University of Sydney researchers have harnessed human-made lightning to develop a more efficient method of generating ammonia—one of the world's most important chemicals. Ammonia is also the main ingredient of fertilizers that account for almost half of all global food production. /news/2025-07-scientists-lightning-ammonia-thin-air.html Analytical Chemistry Materials Science Fri, 04 Jul 2025 10:10:01 EDT news670828135 2D quantum sensor uses spin defects for precise magnetic field detection A team of physicists at the University of Cambridge has unveiled a breakthrough in quantum sensing by demonstrating the use of spin defects in hexagonal boron nitride (hBN) as powerful, room-temperature sensors capable of detecting vectorial magnetic fields at the nanoscale. The findings, published in Nature Communications, mark a significant step toward more practical and versatile quantum technologies. /news/2025-05-2d-quantum-sensor-defects-precise.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 28 May 2025 13:20:03 EDT news667657201 Quantum eyes on energy loss: Diamond quantum imaging can enable next-gen power electronics Improving energy conversion efficiency in power electronics is vital for a sustainable society, with wide-bandgap semiconductors like GaN and SiC power devices offering advantages due to their high-frequency capabilities. However, energy losses in passive components at high frequencies hinder efficiency and miniaturization. This underscores the need for advanced soft magnetic materials with lower energy losses. /news/2025-05-quantum-eyes-energy-loss-diamond.html Condensed Matter Quantum Âé¶¹ÒùÔºics Fri, 23 May 2025 05:00:03 EDT news667146403 MRI gets a nano-sized upgrade Conventional MRI scans, familiar to us from hospitals, have a resolution of about one-tenth of a millimeter, which allows them to image incredibly thin slices of our bodies from head to toe, helping physicians diagnose a variety of medical conditions. Even this ultra-high resolution, however, is insufficient for researchers who want to study the structure of individual molecules. /news/2025-05-mri-nano-sized.html Nanophysics Nanomaterials Mon, 19 May 2025 11:17:04 EDT news666872221 The first experimental observation of Dirac exceptional points Exceptional points (EPs) are unique types of energy-level degeneracies that occur in non-Hermitian systems. Since their existence was first proposed more than a century ago, physicists have only been able to experimentally observe two types of EPs, both of which were found to give rise to exotic phases of matter in various materials, including Dirac and Weyl semimetals. /news/2025-04-experimental-dirac-exceptional.html Quantum Âé¶¹ÒùÔºics Sun, 27 Apr 2025 09:50:01 EDT news664796502 Researchers attain coherent control of a hybrid quantum network node Quantum technologies, which operate leveraging quantum mechanical phenomena, have the potential to outperform their classical counterparts in some optimization and computational tasks. These technologies include so-called quantum networks, systems designed to transmit information between interconnected nodes and process it, using quantum phenomena such as entanglement and superposition. /news/2025-04-coherent-hybrid-quantum-network-node.html Quantum Âé¶¹ÒùÔºics Tue, 22 Apr 2025 07:30:02 EDT news664452566 An elegant method for the detection of single spins using photovoltage Diamonds with certain optically active defects can be used as highly sensitive sensors or qubits for quantum computers, where the quantum information is stored in the electron spin state of these color centers. However, the spin states have to be read out optically, which is often experimentally complex. Now, a team at HZB has developed an elegant method using a photo voltage to detect the individual and local spin states of these defects. This could lead to a much more compact design of quantum sensors. /news/2025-04-elegant-method-photovoltage.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 15 Apr 2025 14:24:03 EDT news663945842 Q&A: Crystallizing time—physicists create a new phase of matter in the center of a diamond In their ongoing efforts to push the boundaries of quantum possibilities, physicists in Arts & Sciences at Washington University in St. Louis have created a new type of "time crystal," a novel phase of matter that defies common perceptions of motion and time. /news/2025-03-qa-crystallizing-physicists-phase-center.html Condensed Matter Quantum Âé¶¹ÒùÔºics Mon, 17 Mar 2025 12:51:39 EDT news661434694 Nanodiamonds in water droplets boost quantum sensing precision Combine a garden-variety green laser, microwaves with roughly the energy of your wi-fi, and some diamond dust in drops of water, and what do you get? A precise chemical detection tool. /news/2025-03-nanodiamonds-droplets-boost-quantum-precision.html Nanophysics Nanomaterials Wed, 05 Mar 2025 12:02:04 EST news660398521 Single-qubit sensing puts new spin on quantum materials discovery Working at nanoscale dimensions, a team of scientists led by the Department of Energy's Oak Ridge National Laboratory revealed a new way to measure high-speed fluctuations in magnetic materials. Knowledge obtained by these new measurements, published in Nano Letters, could be used to advance technologies ranging from traditional computing to the emerging field of quantum computing. /news/2025-03-qubit-quantum-materials-discovery.html Nanophysics Nanomaterials Tue, 04 Mar 2025 11:52:03 EST news660311521 Transition metal-free catalyst promises greener, efficient ammonia synthesis As the world moves toward sustainability, the demand for efficient alternatives across industries continues to grow. Ammonia, a key chemical used in fertilizers, explosives, and various other products, is primarily synthesized through the energy-intensive Haber-Bosch process. /news/2025-02-transition-metal-free-catalyst-greener.html Analytical Chemistry Materials Science Mon, 17 Feb 2025 14:24:04 EST news659024641 Researchers image magnetic skyrmions at room temperature for the first time An international research team, working with cutting-edge technology at the University of Nebraska–Lincoln, has made a discovery that may dramatically expand the materials used in next-generation, energy-efficient memory and logic devices. /news/2025-01-image-magnetic-skyrmions-room-temperature.html Nanophysics Nanomaterials Wed, 08 Jan 2025 10:17:03 EST news655553821 New quantum sensing technology reveals sub-atomic signals Since the 1950s, scientists have used radio waves to uncover the molecular "fingerprints" of unknown materials, aiding in tasks as varied as scanning the human body with MRI machines and detecting explosives at airports. /news/2025-01-quantum-technology-reveals-atomic.html Nanophysics Mon, 06 Jan 2025 11:01:10 EST news655383661 High-quality nanodiamonds offer new bioimaging and quantum sensing potential Quantum sensing is a rapidly developing field that utilizes the quantum states of particles, such as superposition, entanglement, and spin states, to detect changes in physical, chemical, or biological systems. A promising type of quantum nanosensor is nanodiamonds (NDs) equipped with nitrogen-vacancy (NV) centers. These centers are created by replacing a carbon atom with nitrogen near a lattice vacancy in a diamond structure. /news/2024-12-high-quality-nanodiamonds-bioimaging-quantum.html Nanophysics Nanomaterials Mon, 23 Dec 2024 12:11:05 EST news654178261 Grapes of math: Ordinary fruit enhances performance of quantum sensors Macquarie University researchers have demonstrated how ordinary supermarket grapes can enhance the performance of quantum sensors, potentially leading to more efficient quantum technologies. /news/2024-12-grapes-math-ordinary-fruit-quantum.html Quantum Âé¶¹ÒùÔºics Mon, 23 Dec 2024 11:55:51 EST news654177346 Purple diamond maser could one day amplify signals from deep space UNSW engineers have developed and built a special maser system that boosts microwave signals—such as those from deep space—but does not need to be super-cooled. /news/2024-12-purple-diamond-maser-day-amplify.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Thu, 19 Dec 2024 12:38:04 EST news653834281 Scientists achieve nuclear spin coherence in levitating microparticles A new study in Âé¶¹ÒùÔºical Review Letters demonstrates the levitation of a microparticle using nuclear magnetic resonance (NMR), having potential implications from biology to quantum computing. /news/2024-12-scientists-nuclear-coherence-levitating-microparticles.html Quantum Âé¶¹ÒùÔºics Fri, 13 Dec 2024 11:34:52 EST news653312081 Ensuring a bright future for diamond electronics and sensors by perfecting the growth process Researchers are developing new ideas about the best ways to make lab-grown diamonds while minimizing other forms of carbon, such as soot. These diamonds aren't destined for rings and necklaces, though. These are the kinds that are needed for the computers, optics and sensors of the future. /news/2024-11-bright-future-diamond-electronics-sensors.html Condensed Matter Plasma Âé¶¹ÒùÔºics Tue, 05 Nov 2024 09:13:06 EST news650020381 Harnessing diamond imperfections opens a new frontier in quantum sensor development Quantum defects have the potential to act as ultra-sensitive sensors that could offer new kinds of navigation or biological sensor technology. /news/2024-10-harnessing-diamond-imperfections-frontier-quantum.html Quantum Âé¶¹ÒùÔºics Thu, 17 Oct 2024 14:55:08 EDT news648395703 Diamond bonding technique could improve both quantum and conventional electronics Synthetic diamond is durable, inert, rigid, thermally conductive and chemically well-behaved—an elite material for both quantum and conventional electronics. But there's one problem. Diamond only likes diamond. /news/2024-10-diamond-bonding-technique-quantum-conventional.html Nanophysics Nanomaterials Wed, 16 Oct 2024 14:31:04 EDT news648307861 Highly sensitive quantum sensors for medicine: First successful demonstration of a dual-media NV diamond laser system Measuring tiny magnetic fields, such as those generated by brain waves, enables many new novel opportunities for medical diagnostics and treatment. The research team led by Dr. Jan Jeske at Fraunhofer IAF is working on a globally innovative approach to precise magnetic field measurements: Laser Threshold Magnetometry. /news/2024-10-highly-sensitive-quantum-sensors-medicine.html Condensed Matter Optics & Photonics Tue, 08 Oct 2024 11:04:03 EDT news647604241 Researchers create orientation-independent magnetic field-sensing nanotube spin qubits Purdue University researchers have developed patent-pending one-dimensional boron nitride nanotubes (BNNTs) containing spin qubits, or spin defects. The BNNTs are more sensitive in detecting off-axis magnetic fields at high resolution than traditional diamond tips used in scanning probe magnetic-field microscopes. /news/2024-10-independent-magnetic-field-nanotube-qubits.html Nanophysics Wed, 02 Oct 2024 14:12:03 EDT news647097121