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. Kagome quantum magnets achieve spin-valve effects without complex material stacking Recently, a group of researchers discovered a novel way to achieve spin-valve effects using kagome quantum magnets. /news/2025-04-kagome-quantum-magnets-valve-effects.html Condensed Matter Quantum Âé¶¹ÒùÔºics Wed, 30 Apr 2025 10:46:02 EDT news665228761 An earth-abundant mineral for sustainable spintronics In 2023, EPFL researchers succeeded in sending and storing data using charge-free magnetic waves called spin waves, rather than traditional electron flows. The team from the Lab of Nanoscale Magnetic Materials and Magnonics, led by Dirk Grundler, in the School of Engineering, used radiofrequency signals to excite spin waves enough to reverse the magnetization state of tiny nanomagnets. /news/2025-04-earth-abundant-mineral-sustainable-spintronics.html Condensed Matter Fri, 25 Apr 2025 09:04:04 EDT news664790641 Mathematical model modulates the anomalous Hall angle in a magnetic topological semimetal When an electric current passes through some materials, it generates a voltage perpendicular to the direction in which the current is flowing and of an applied magnetic field. This physical phenomenon, known as the anomalous Hall effect, has been linked to the intrinsic properties of some materials. /news/2025-04-mathematical-modulates-anomalous-hall-angle.html Condensed Matter Mon, 21 Apr 2025 11:09:21 EDT news664452556 Layered room-temperature altermagnet shows promise for advanced spintronics Traditionally, magnetic materials have been divided into two main categories: ferromagnets and antiferromagnets. Over the past few years, however, physicists have uncovered the existence of altermagnets, a new type of magnetic material that exhibits features of both antiferromagnets and ferromagnets. /news/2025-04-layered-room-temperature-altermagnet-advanced.html Condensed Matter Fri, 18 Apr 2025 07:50:01 EDT news664105640 Curved neutron beams could deliver benefits straight to industry In a physics first, a team including scientists from the National Institute of Standards and Technology (NIST) has created a way to make beams of neutrons travel in curves. These Airy beams (named for English scientist George Airy), which the team created using a custom-built device, could enhance neutrons' ability to reveal useful information about materials ranging from pharmaceuticals to perfumes to pesticides—in part because the beams can bend around obstacles. /news/2025-04-neutron-benefits-straight-industry.html General Âé¶¹ÒùÔºics Optics & Photonics Thu, 17 Apr 2025 14:37:04 EDT news664119422 Integration method enables high-performance oxide-based spintronic devices on silicon substrates A research team from the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) has proposed a hybrid transfer and epitaxy strategy, enabling the heterogeneous integration of single-crystal oxide spin Hall materials on silicon substrates for high-performance oxide-based spintronic devices. /news/2025-04-method-enables-high-oxide-based.html Condensed Matter Thu, 17 Apr 2025 12:47:44 EDT news664112854 Rare one-dimensional quantum magnetism discovered in metallic Tiâ‚„MnBiâ‚‚ compound A study by researchers from the University of British Columbia's Blusson Quantum Matter Institute (UBC Blusson QMI) has found a rare form of one-dimensional quantum magnetism in the metallic compound Ti4MnBi2, offering evidence into a phase space that has remained, until now, largely theoretical. /news/2025-04-rare-dimensional-quantum-magnetism-metallic.html Condensed Matter Quantum Âé¶¹ÒùÔºics Thu, 17 Apr 2025 12:43:03 EDT news664112581 A new frontier in spintronics: Antiferromagnetic quasicrystals unveiled Quasicrystals (QCs) are fascinating solid materials that exhibit an intriguing atomic arrangement. Unlike regular crystals, in which atomic arrangements have an ordered repeating pattern, QCs display long-range atomic order that is not periodic. Due to this 'quasiperiodic' nature, QCs have unconventional symmetries that are absent in conventional crystals. /news/2025-04-frontier-spintronics-antiferromagnetic-quasicrystals-unveiled.html Condensed Matter Fri, 11 Apr 2025 05:00:10 EDT news663500101 Âé¶¹ÒùÔºicists uncover a metallic altermagnet with d-wave spin splitting at room temperature For many years, physics studies focused on two main types of magnetism, namely ferromagnetism and antiferromagnetism. The first type entails the alignment of electron spins in the same direction, while the latter entails the alignment of electron spins in alternating, opposite directions. /news/2025-04-physicists-uncover-metallic-altermagnet-d.html Condensed Matter Quantum Âé¶¹ÒùÔºics Mon, 07 Apr 2025 10:59:01 EDT news663242337 Iron nitride's magnetoelastic properties show potential for flexible spintronics The field of spintronics, which integrates the charge and spin properties of electrons to develop electronic devices with enhanced functionality and energy efficiency, has expanded into new applications. /news/2025-04-iron-nitride-magnetoelastic-properties-potential.html Condensed Matter Fri, 04 Apr 2025 12:40:05 EDT news662989202 Scientists unveil new way to electrically control spin for ultra-compact devices using altermagnetic quantum materials Spintronics, an emerging field of technology, exploits the spin of electrons rather than their charge to process and store information. Spintronics could lead to faster, more power-efficient computers and memory devices. However, most spintronic systems require magnetic fields to control spin, which is challenging in ultracompact device integration due to unwanted interference between components. This new research provides a way to overcome this limitation. /news/2025-04-scientists-unveil-electrically-ultra-compact.html Condensed Matter Quantum Âé¶¹ÒùÔºics Wed, 02 Apr 2025 11:58:04 EDT news662813882 Scientists merge two 'impossible' materials into new artificial structure An international team led by Rutgers University-New Brunswick researchers has merged two lab-synthesized materials into a synthetic quantum structure once thought impossible to exist and produced an exotic structure expected to provide insights that could lead to new materials at the core of quantum computing. /news/2025-04-scientists-merge-impossible-materials-artificial.html Nanophysics Nanomaterials Tue, 01 Apr 2025 11:49:05 EDT news662726941 Researchers propose a simple magnetic switch using altermagnets Controlling magnetism in a device is not easy; unusually large magnetic fields or lots of electricity are needed, which are bulky, slow, expensive and/or waste energy. But that looks soon to change, thanks to the recent discovery of altermagnets. Now scientists are putting forth ideas for efficient switches to manage magnetism in devices. /news/2025-03-simple-magnetic-altermagnets.html Condensed Matter Mon, 31 Mar 2025 13:03:08 EDT news662644976 'Half ice, half fire': Âé¶¹ÒùÔºicists discover new phase of matter in a magnetic material Two scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have discovered a new phase of matter while studying a model system of a magnetic material. /news/2025-03-ice-physicists-phase-magnetic-material.html Condensed Matter Tue, 25 Mar 2025 09:39:04 EDT news662114341 Patterned spintronic emitter enables room-temperature THz polarization control for wireless and biomedical applications Terahertz (THz) waves are located between microwaves and infrared light in the electromagnetic spectrum. They can pass through many materials without causing damage, making them useful for security scanning, medical imaging, and high-speed wireless communication. Unlike visible light or radio waves, THz waves can reveal structural details of biological molecules and penetrate nonmetallic objects like clothing and paper. /news/2025-03-patterned-spintronic-emitter-enables-room.html Condensed Matter Optics & Photonics Mon, 24 Mar 2025 14:30:04 EDT news662045402 Olympicene molecular chains create quantum spin systems with spintronics applications In a new publication in Nature Materials, an international team of researchers has developed groundbreaking artificial chains of the iconic "olympicene" molecules to realize the antiferromagnetic (AF) spin-½ Heisenberg model, a flagship quantum spin model that has been the cornerstone of quantum magnetism, since the seminal work of Bethe, for almost a century now. This study makes nanographenes (NGs) an ideal platform for realizing and studying highly entangled quantum spin systems, with potential applications in insulator-based AF spintronics. /news/2025-03-olympicene-molecular-chains-quantum-spintronics.html Condensed Matter Quantum Âé¶¹ÒùÔºics Fri, 14 Mar 2025 11:23:03 EDT news661170181 Understanding the origin of magnetic moment enhancement in novel alloys Magnetic materials have become indispensable to various technologies that support our modern society, such as data storage devices, electric motors, and magnetic sensors. /news/2025-03-magnetic-moment-alloys.html Condensed Matter Fri, 14 Mar 2025 11:14:04 EDT news661169641 Spinning, twisted light could power next-generation electronics Researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. The researchers, led by the University of Cambridge and the Eindhoven University of Technology, have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of OLED displays in television and smartphone screens, or power next-generation computing technologies such as spintronics and quantum computing. /news/2025-03-power-generation-electronics.html Condensed Matter Optics & Photonics Thu, 13 Mar 2025 14:00:19 EDT news661066262 Reading magnetic states faster—in far infrared With today's data rates of only a few hundred megabytes per second, access to digital information remains relatively slow. Initial experiments have already shown a promising new strategy: Magnetic states can be read out by short current pulses, whereby recently discovered spintronic effects in purpose-built material systems could remove previous speed restrictions. /news/2025-03-magnetic-states-faster-infrared.html Condensed Matter Optics & Photonics Thu, 13 Mar 2025 09:30:03 EDT news661077001 A new kind of Hall effect: Âé¶¹ÒùÔºicists reveal potential of noncollinear antiferromagnets in spintronics A team of researchers led by Colorado State University graduate student Luke Wernert and Associate Professor Hua Chen has discovered a new kind of Hall effect that could enable more energy-efficient electronic devices. /news/2025-03-kind-hall-effect-physicists-reveal.html Condensed Matter Thu, 13 Mar 2025 08:56:53 EDT news661075006 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 Antiferromagnetic neuromorphic memory: New spintronic device achieves brain-like memory and processing A research team led by Prof. Long Shibing from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has, for the first time, made spintronic neuromorphic devices based on CoO/Pt heterostructure. The study is published in Nano Letters. /news/2025-03-antiferromagnetic-neuromorphic-memory-spintronic-device.html Nanophysics Nanomaterials Mon, 03 Mar 2025 11:15:02 EST news660222901 Vortion, a new magnetic state able to mimic neuronal synapses Researchers from the Department of Âé¶¹ÒùÔºics have managed to experimentally develop a new magnetic state: a magneto-ionic vortex or "vortion." The research, published in Nature Communications, allows for an unprecedented level of control of magnetic properties at the nanoscale and at room temperature, and opens new horizons for the development of advanced magnetic devices. /news/2025-03-vortion-magnetic-state-mimic-neuronal.html Nanophysics Nanomaterials Mon, 03 Mar 2025 10:29:24 EST news660220155 Graphene's quantum spin injection promises energy-efficient spintronics Researchers at the National Graphene Institute at the University of Manchester have achieved a significant milestone in the field of quantum electronics with their latest study on spin injection in graphene. The paper, published recently in Communications Materials, outlines advancements in spintronics and quantum transport. /news/2025-02-graphene-quantum-energy-efficient-spintronics.html Condensed Matter Quantum Âé¶¹ÒùÔºics Wed, 26 Feb 2025 12:50:33 EST news659796630 Nanoscale technique uses atomic vibrations to show how quantum materials behave at interfaces Scientists are racing to develop new materials for quantum technologies in computing and sensing for ultraprecise measurements. For these future technologies to transition from the laboratory to real-world applications, a much deeper understanding is needed of the behavior near surfaces, especially those at interfaces between materials. /news/2025-02-nanoscale-technique-atomic-vibrations-quantum.html Condensed Matter Superconductivity Tue, 18 Feb 2025 16:27:04 EST news659118421 Dance of magnetism and light: Study finds nonreciprocal second harmonic generation disappears in 2D material A research group recently discovered the disappearance of nonreciprocal second harmonic generation (SHG) in MnPSe₃ when integrated into a two-dimensional (2D) antiferromagnetic MnPSe₃/graphene heterojunction. /news/2025-02-magnetism-nonreciprocal-harmonic-generation-2d.html Nanophysics Fri, 14 Feb 2025 12:07:03 EST news658757221 Interface flexibility: Scientists discover key mechanism driving molecular network formation Covalent bonding is a widely understood phenomenon that joins the atoms of a molecule by a shared electron pair. But in nature, patterns of molecules can also be connected through weaker, more dynamic forces that give rise to supramolecular networks. These can self-assemble from an initial molecular cluster, or crystal, and grow into large, stable architectures. /news/2025-02-interface-flexibility-scientists-key-mechanism.html Bio & Medicine Thu, 13 Feb 2025 12:06:04 EST news658670761 Novel imaging method captures the dynamics of spin waves One major category of the next generation of energy-efficient microelectronic devices and information processing technologies will likely be based on "spintronics," which leverage both an electron's charge and its spin—the tiny "up" or "down" magnetic moment carried by every electron. Now, a relatively new subset of spintronics has sprung up, known as magnonics, which harnesses the collective behaviors of spins, known as spin waves or magnons. /news/2025-02-imaging-method-captures-dynamics.html Condensed Matter Wed, 12 Feb 2025 12:40:06 EST news658586139 New AI hardware on the horizon thanks to electrically programmable spintronic device AI transformational impact is well under way. But as AI technologies develop, so too does their power consumption. Further advancements will require AI chips that can process AI calculations with high energy efficiency. This is where spintronic devices enter the equation. Their integrated memory and computing capabilities mimic the human brain, and they can serve as a building block for lower-power AI chips. /news/2025-02-ai-hardware-horizon-electrically-programmable.html Condensed Matter Thu, 06 Feb 2025 11:32:29 EST news658063931 Researchers uncover 1D-like spin behavior in a triangular molecular lattice, challenging traditional views Quantum spin liquids (QSLs) are fascinating and mysterious states of matter that have intrigued scientists for decades. First proposed by Nobel laureate Philip Anderson in the 1970s, these materials break the conventional rules of magnetism by never settling into a stable magnetic state, even at temperatures close to absolute zero. /news/2025-02-uncover-1d-behavior-triangular-molecular.html Condensed Matter Quantum Âé¶¹ÒùÔºics Wed, 05 Feb 2025 12:40:32 EST news657981628