/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. In a new study, researchers at the University of Minnesota Twin Cities discovered surprising magnetic behavior in one of the thinnest metallic oxide materials ever made. This could pave the way for the next generation of faster and smarter spintronic and quantum computing devices. /news/2025-06-ultra-thin-metallic-oxide-reveals.html Condensed Matter Mon, 16 Jun 2025 12:37:35 EDT news669296252 He Qinglin's group at the Center for Quantum Materials Science, School of Â鶹ÒùÔºics, has reported the first observation of non-reciprocal Coulomb drag in Chern insulators. This breakthrough opens new pathways for exploring Coulomb interactions in magnetic topological systems and enhances our understanding of quantum states in such materials. The work was published in Nature Communications. /news/2025-04-reciprocal-coulomb-chern-insulators.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 28 Apr 2025 14:50:42 EDT news665070636 There are a seemingly endless number of quantum states that describe quantum matter and the strange phenomena that emerge when large numbers of electrons interact. For decades, many of these states have been theoretical: mathematical and computational predictions potentially hiding among real-life materials—a zoo, as many scientists are coming to refer to it, with new "species" just waiting to be discovered and described. /news/2025-04-quantum-zoo-scientists-dozen-species.html Quantum Â鶹ÒùÔºics Mon, 21 Apr 2025 13:26:04 EDT news664460761 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 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 Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an innovation that brings artificial intelligence (AI) closer to quantum computing—both physically and technologically. /news/2025-03-meters-closer-miles-faster-cryogenic.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 24 Mar 2025 15:03:25 EDT news662047400 Superconductivity, which entails an electrical resistance of zero at very low temperatures, is a highly desirable and thus widely studied quantum phenomenon. Typically, this state is known to arise following the formation of bound electron pairs known as Cooper pairs, yet identifying the factors contributing to its emergence in quantum materials has so far proved more challenging. /news/2025-03-physicists-uncover-superconducting-regimes-kagome.html Condensed Matter Superconductivity Thu, 13 Mar 2025 06:30:01 EDT news660905885 Electronic devices rely on materials whose electrical properties change with temperature, making them less stable in extreme conditions. A discovery by McGill University researchers that challenges conventional wisdom in physics suggests that bismuth, a metal, could serve as the foundation for highly stable electronic components. /news/2025-03-ultra-thin-bismuth-unexpected-green.html Condensed Matter Mon, 10 Mar 2025 12:29:03 EDT news660828541 MIT physicists report the unexpected discovery of electrons forming crystalline structures in a material only billionths of a meter thick. The work adds to a gold mine of discoveries originating from the material, which the same team discovered only about three years ago. /news/2025-02-physicists-unexpected-crystals-electrons-ultrathin.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 26 Feb 2025 17:16:04 EST news659812561 An international team of researchers led by the Strong Correlation Quantum Transport Laboratory of the RIKEN Center for Emergent Matter Science (CEMS) has demonstrated, in a world's first, an ideal Weyl semimetal, marking a breakthrough in a decade-old problem of quantum materials. /news/2025-01-semimetallic-weyl-quantum-crystal.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 24 Jan 2025 12:56:19 EST news656945774 Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They're a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. Â鶹ÒùÔºicists consider TIs the materials of the future because they host fascinating new quantum phases of matter and have promising technological applications in electronics and quantum computing. Scientists are just now beginning to uncover connections between TIs and magnetism that could unlock new uses for these exotic materials. /news/2025-01-illuminating-asymmetric-gap-topological-antiferromagnet.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 21 Jan 2025 16:47:15 EST news656700425 Our data-driven world demands more—more capacity, more efficiency, more computing power. To meet society's insatiable need for electronic speed, physicists have been pushing the burgeoning field of spintronics. /news/2025-01-anomalous-hall-torque-brand-physics.html Condensed Matter Thu, 16 Jan 2025 17:33:04 EST news656271181 A team of physicists led by The City College of New York's Lia Krusin-Elbaum has developed a novel technique that uses hydrogen cations (H+) to manipulate relativistic electronic bandstructures in a magnetic Weyl semimetal—a topological material where electrons mimic massless particles called Weyl fermions. These particles are distinguished by their chirality or "handedness" linked to their spin and momentum. /news/2025-01-quantum-breakthrough-sustainable-chiral-spintronics.html Quantum Â鶹ÒùÔºics Sat, 11 Jan 2025 06:14:19 EST news655798454 In-plane magnetic fields are responsible for inducing anomalous Hall effect in EuCd2Sb2 films, report researchers from the Institute of Science Tokyo. By studying how these fields change electronic structures, the team discovered a large in-plane anomalous Hall effect. /news/2024-12-plane-magnetic-fields-reveal-hall.html Condensed Matter Thu, 19 Dec 2024 08:38:03 EST news653819881 Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It's based on the Quantum Anomalous Hall Effect. /news/2024-12-quantum-resistance-standard-external-magnetic.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 04 Dec 2024 10:19:12 EST news652529948 MIT physicists have taken a key step toward solving the puzzle of what leads electrons to split into fractions of themselves. Their solution sheds light on the conditions that give rise to exotic electronic states in graphene and other two-dimensional systems. /news/2024-11-physicists-fractional-pentalayer-graphene.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 19 Nov 2024 12:56:42 EST news651243398 Moiré superlattices are materials consisting of two layers stacked on top of each other with either a small rotational misalignment or a lattice mismatch between them. The Kondo lattice model, on the other hand, describes systems in which conduction electrons interact with localized magnetic impurities, which changes the systems' electrical and magnetic properties. /news/2024-10-physicists-emergence-ferromagnetism-onset-kondo.html Condensed Matter Thu, 17 Oct 2024 06:40:01 EDT news648127967 In recent years, many physicists and materials scientists have been studying a newly uncovered class of magnetic materials known as altermagnets. These materials exhibit a unique type of magnetism that differs from both conventional ferromagnetism and antiferromagnetism, marked by electrons whose spin varies depending on their momentum. /news/2024-10-physicists-reveal-nonlinear-quantum-geometry.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 11 Oct 2024 06:30:02 EDT news647773547 Topological protection provides unprecedented robustness of physical phenomena against all kinds of perturbations; but in doing so, it exercises topological censorship by hiding all kinds of interesting and important microscopic information. Recent experiments have collected microscopic information precisely of the kind hidden by such topological censorship. /news/2024-09-microscopic-theory-veil-topological-censorship.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 25 Sep 2024 15:27:51 EDT news646496866 Overcoming magnetic disorder is key to exploiting the unique properties of quantum anomalous Hall (QAH) insulators. A Monash-led team has demonstrated that the breakdown in topological protection is caused by magnetic disorder, explaining previous observations that topological protection could be restored by application of stabilizing magnetic fields. /news/2024-09-magnetic-disorder-energy-topological-electronics.html Condensed Matter Wed, 11 Sep 2024 13:19:38 EDT news645279569 A new study led by Rice University's Qimiao Si has unveiled a new class of quantum critical metal, shedding light on the intricate interactions of electrons within quantum materials. Published in Â鶹ÒùÔºical Review Letters on Sept. 6, the research explores the effects of Kondo coupling and chiral spin liquids within specific lattice structures. /news/2024-09-advance-class-quantum-critical-metal.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 06 Sep 2024 13:02:03 EDT news644846521 Moiré superlattices, structures that arise when two layers of two-dimensional (2D) materials are overlaid with a small twist angle, have been the focus of numerous physics studies. This is because they have recently been found to host novel fascinating unobserved physical phenomena and exotic phases of matter. /news/2024-08-quantum-anomalous-crystal-fractionally-moir.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 02 Sep 2024 08:00:01 EDT news644227157 A team of experimental physicists led by the University of Cologne have shown that it is possible to create superconducting effects in special materials known for their unique edge-only electrical properties. This discovery provides a new way to explore advanced quantum states that could be crucial for developing stable and efficient quantum computers. /news/2024-07-physicists-closer-topological-quantum.html Superconductivity Quantum Â鶹ÒùÔºics Wed, 10 Jul 2024 10:44:25 EDT news639827063 A research group from University of Tsukuba has discovered that fluctuations of electron spins in magnetic materials trigger a large anomalous Hall effect during phase transition known as the devil's staircase magnetic transition. /news/2024-06-large-anomalous-hall-effect-triggered.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 18 Jun 2024 09:50:02 EDT news637923001 MIT physicists and colleagues have created a five-lane superhighway for electrons that could allow ultra-efficient electronics and more. The work, reported in the May 9 issue of Science, is one of several important discoveries by the same team over the last year involving a material that is essentially a unique form of pencil lead. /news/2024-05-physicists-lane-superhighway-electrons.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 13 May 2024 16:46:28 EDT news634837585 Researchers at the University of Würzburg have developed a method that can improve the performance of quantum resistance standards. It's based on a quantum phenomenon called Quantum Anomalous Hall effect. /news/2024-04-quantum-hall-resistor-method.html Quantum Â鶹ÒùÔºics Mon, 15 Apr 2024 10:38:03 EDT news632396281 An international research team led by Lawrence Berkeley National Laboratory (Berkeley Lab) has taken the first atomic-resolution images and demonstrated electrical control of a chiral interface state—an exotic quantum phenomenon that could help researchers advance quantum computing and energy-efficient electronics. /news/2024-04-technique-scientists-resistance-free-electron.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 09 Apr 2024 11:57:03 EDT news631882621 In recent years, physicists and material scientists have identified various new materials marked by interesting properties and quantum effects. These materials could prove highly valuable both as platforms to study quantum effects and for the development of new quantum computing devices. /news/2024-04-unveils-family-quantum-anomalous-hall.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 02 Apr 2024 10:12:06 EDT news631271520 A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of fundamental importance. Since it appears in an alloy of common metals at accessible temperatures, it holds potential for future exploitation in electronic devices. The discovery is published in the journal Nature. /news/2024-03-weird-electron-behavior-weirder-fractionalization.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 06 Mar 2024 12:29:06 EST news628950541 The electron is the basic unit of electricity, as it carries a single negative charge. This is what we're taught in high school physics, and it is overwhelmingly the case in most materials in nature. /news/2024-02-electrons-fractions-graphene.html Quantum Â鶹ÒùÔºics Wed, 21 Feb 2024 11:00:01 EST news627724397