/ 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. A joint research team from Japan has observed "heavy fermions," electrons with dramatically enhanced mass, exhibiting quantum entanglement governed by the Planckian time—the fundamental unit of time in quantum mechanics. This discovery opens up exciting possibilities for harnessing this phenomenon in solid-state materials to develop a new type of quantum computer. The findings are published in npj Quantum Materials. /news/2025-08-heavy-fermions-entangled-discovery-planckian.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 05 Aug 2025 10:25:03 EDT news673608301 Researchers are creating new moiré materials at the nanometer scale using advanced DNA nanotechnology. DNA moiré superlattices form when two periodic DNA lattices are overlaid with a slight rotational twist or positional offset. This creates a new, larger interference pattern with completely different physical properties. /news/2025-07-programmable-dna-moir-superlattices-material.html Nanophysics Nanomaterials Thu, 17 Jul 2025 11:52:25 EDT news671971940 Twisted materials—known as moiré structures—have revolutionized modern physics, emerging as today's "alchemy" by creating entirely new phases of matter through simple geometric manipulation. The term "moiré" may sound familiar—it describes the strange rippling patterns you sometimes see when photographing striped shirts or screens; in physics, the same underlying principle applies at the atomic scale. Imagine taking two atomically thin sheets of either the same or different materials, stacking them up together, and rotating one layer slightly relative to the other. /news/2025-07-axis-platform-path-quantum-simulation.html Nanophysics Nanomaterials Wed, 09 Jul 2025 12:49:15 EDT news671284150 A joint research team has successfully developed a two-dimensional (2D) quantum material platform through the superposition of moiré lattices. /news/2025-06-overlapping-moir-lattices-2d-materials.html Nanophysics Nanomaterials Tue, 03 Jun 2025 11:39:05 EDT news668169541 Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, chemistry, and physics. The phenomenon is sometimes called "handedness," because it refers to an object possessing a distinct left- or right-handed form. It is a universal quality that is found across various scales of nature, from molecules and amino acids to the famed double-helix of DNA and the spiraling patterns of snail shells. /news/2025-05-physicists-unusual-chiral-quantum-state.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 07 May 2025 16:46:04 EDT news665855161 A new study published in Nature Communications April 7 could reshape the future of magnetic and electronic technology. Scientists at Rice University have discovered how a disappearing electronic pattern in a quantum material can be revived under specific thermal conditions. The finding opens new doors for customizable quantum materials and in-situ engineering, where devices are manufactured or manipulated directly at their point of use. /news/2025-04-scientists-method-electronic-patterns-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 09 Apr 2025 15:06:40 EDT news663429995 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 When it comes to layered quantum materials, current understanding only scratches the surface; so demonstrates a new study from the Paul Scherrer Institute PSI. Using advanced X-ray spectroscopy at the Swiss Light Source SLS, researchers uncovered magnetic phenomena driven by unexpected interactions between the layers of a kagome ferromagnet made from iron and tin. This discovery challenges assumptions about layered alloys of common metals, providing a starting point for developing new magnetoelectric devices and rare-earth-free motors. /news/2025-02-unexpected-layer-interactions-kagome-ferromagnets.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 18 Feb 2025 13:16:04 EST news659106961 Most metals expand when their temperature rises. The Eiffel Tower, for example, is about 10 to 15 centimeters taller in summer than in winter due to its thermal expansion. However, this effect is extremely undesirable for many technical applications. /news/2025-02-metal-alloy-thermal-expansion-extremely.html Condensed Matter Mon, 03 Feb 2025 15:47:41 EST news657820057 A joint research group from China recently achieved the first observation of intrinsic magnetic structures in a kagome lattice by using the highly sensitive magnetic force microscopy (MFM) system of the Steady High Magnetic Field Facility (SHMFF) as well as electron paramagnetic resonance spectroscopy and micromagnetic simulations. /news/2024-09-intrinsic-magnetic-kagome-lattice.html Condensed Matter Wed, 25 Sep 2024 11:01:04 EDT news646480861 A research team has introduced a novel method for selectively tuning electronic bands in graphene. Their findings, published in Â鶹ÒùÔºical Review Letters, showcase the potential of artificial superlattice fields for manipulating different types of band dispersions in graphene. /news/2024-08-kagome-superlattice-method-tune-graphene.html Condensed Matter Tue, 27 Aug 2024 11:17:03 EDT news643976221 In traditional Japanese basket-weaving, the ancient "Kagome" design seen in many handcrafted creations is characterized by a symmetrical pattern of interlaced triangles with shared corners. In quantum physics, the Kagome name has been borrowed by scientists to describe a class of materials with an atomic structure closely resembling this distinctive lattice pattern. /news/2024-07-unique-phenomenon-kagome-metal.html Nanophysics Nanomaterials Tue, 30 Jul 2024 14:09:30 EDT news641567365 Charge density waves are quantum phenomena occurring in some materials, which involve a static modulation of conduction electrons and the periodic distortion of the lattice. These waves have been observed in numerous condensed matter materials, including high-temperature superconductors and quantum Hall systems. /news/2024-07-visualizing-boundary-modes-density-topological.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 10 Jul 2024 07:30:02 EDT news639672807 Researchers from the U.S. Department of Energy Ames National Laboratory have discovered an unexpected chiral excitation in the kagome layered topological magnet TbMn6Sn6. This chiral excitation can be viewed as a localized magnetic swirl or vortex. The team also confirmed the existence of localized flat band magnons, a novel excitation associated with frustrated kagome lattice geometry. /news/2024-06-unexpected-kagome-layered-material.html Condensed Matter Mon, 24 Jun 2024 07:53:03 EDT news638434381 In solid materials, magnetism generally originates from the alignment of electron spins. For instance, in the ferromagnet iron, the overall net magnetization is prompted by the alignment of spins in the same direction. /news/2024-05-berry-curvature-orbital-zeeman-effect.html Condensed Matter Fri, 17 May 2024 09:43:53 EDT news635157822 A new study, published in a recent issue of Nature Â鶹ÒùÔºics, sheds light on the long-anticipated emergence of quasiparticles, akin to the famous Dirac particles obeying the relativistic Dirac equation. These quasiparticles, known as Dirac spinons, were theorized to exist within a novel quantum state called a quantum spin liquid state. /news/2024-05-spectral-evidence-dirac-spinons-kagome.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 13 May 2024 09:29:03 EDT news634811341 By tinkering with a quantum material characterized by atoms arranged in the shape of a sheriff's star, MIT physicists and colleagues have unexpectedly discovered a new way to make a state of matter known as a strange metal. Strange metals are of interest for their unusual physics and because they have been found in the high-temperature superconductors key to a variety of applications. /news/2024-05-physicists-strange-metal.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 01 May 2024 10:20:04 EDT news633777602 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 Playing a different soundtrack is, physically speaking, only a minute change of the vibration spectrum, yet its impact on a dance floor is dramatic. People long for this tiny trigger, and as a salsa changes to a tango completely different collective patterns emerge. /news/2024-02-music-cooperative-electronic-states-kagome.html Condensed Matter Quantum Â鶹ÒùÔºics Thu, 29 Feb 2024 10:31:03 EST news628425061 Semiconductor moiré superlattices are fascinating material structures that have been found to be promising for studying correlated electron states and quantum physics phenomena. These structures, made up of artificial atom arrays arranged in a so-called moiré configuration, are highly tunable and characterized by strong electron interactions. /news/2024-02-exploring-physics-electron-interactions-semiconductor.html Condensed Matter Sun, 04 Feb 2024 08:20:01 EST news626091191 Rice University scientists have discovered a first-of-its-kind material, a 3D crystalline metal in which quantum correlations and the geometry of the crystal structure combine to frustrate the movement of electrons and lock them in place. /news/2024-01-validates-method-discovery-3d-flat.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 29 Jan 2024 13:43:03 EST news625758181 Magnetism occurs depending on how electrons behave. For example, the elementary particles can generate an electric current with their charge and thereby induce a magnetic field. However, magnetism can also arise through the collective alignment of the magnetic moments (spins) in a material. What has not been possible until now, however, is to continuously change the type of magnetism in a crystal. /news/2023-12-magnetism-pressure.html Condensed Matter Wed, 20 Dec 2023 08:54:04 EST news622284841 Electrons move through a conducting material like commuters at the height of Manhattan rush hour. The charged particles may jostle and bump against each other, but for the most part, they're unconcerned with other electrons as they hurtle forward, each with their own energy. /news/2023-11-physicists-electrons-3d-crystal.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 08 Nov 2023 12:40:07 EST news618669604 A group of researchers have made a significant breakthrough which could revolutionize next-generation electronics by enabling non-volatility, large-scale integration, low power consumption, high speed, and high reliability in spintronic devices. /news/2023-09-topological-materials-pathway-exploring-hall.html Condensed Matter Thu, 21 Sep 2023 09:45:23 EDT news614508321 A team led by Prof. He Junfeng from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), together with domestic and international collaborators, discovered that the energy level of the van Hove singularity (VHS) in the novel Ti-based kagome metal CsTi3Bi5 can be tuned without lattice structural instability. Their work was published in Â鶹ÒùÔºical Review Letters on July 12 as the cover article. /news/2023-08-tunable-van-hove-singularity-instability.html Condensed Matter Tue, 22 Aug 2023 13:00:01 EDT news611924280 In recent years, scientists have been studying special materials called topological materials, with special attention paid to the shape, or topology, of their electronic structures (electronic bands). Although it is not visible in real space, their unusual shape in topological materials produces various unique properties that can be suitable for making next-generation devices. /news/2023-06-features-band-topology-amorphous-thin.html Analytical Chemistry Materials Science Fri, 30 Jun 2023 09:38:02 EDT news607336681 Kagome metals are a class of quantum materials with interesting properties that are characterized by a unique lattice structure resembling Japanese woven bamboo patterns of the same name (i.e., Kagome). Over the past decade, physicists have been using these materials to study various electronic phenomena resulting from their unique structure. /news/2023-06-curvature-electrons-reside-kagome-materials.html Condensed Matter Fri, 16 Jun 2023 09:10:02 EDT news606125314 An international team led by researchers at Nankai University in China and at University of Zagreb in Croatia, along with team at the Institut national de la recherche scientifique (INRS) in Canada, led by Roberto Morandotti has made an important breakthrough in the study of topological phases. Their findings were recently published in Nature Â鶹ÒùÔºics. /news/2023-06-global-symmetry-topological-boundary-states.html Mathematics Thu, 08 Jun 2023 12:23:10 EDT news605445777 In a development that could make quantum computers less prone to errors, a team of physicists from Quantinuum, California Institute of Technology and Harvard University has created a signature of non-Abelian anyons (nonabelions) in a special type of quantum computer. The team has published their results on the arXiv preprint server. /news/2023-05-nonabelions-quantum-prone-errors.html Quantum Â鶹ÒùÔºics Wed, 10 May 2023 09:37:19 EDT news602930228 Researchers at Columbia Engineering have developed a new class of integrated photonic devices—"leaky-wave metasurfaces"—that can convert light initially confined in an optical waveguide to an arbitrary optical pattern in free space. These devices are the first to demonstrate simultaneous control of all four optical degrees of freedom, namely, amplitude, phase, polarization ellipticity, and polarization orientation—a world record. /news/2023-05-leaky-wave-metasurfaces-interface-free-space-optical.html Nanophysics Nanomaterials Mon, 08 May 2023 13:10:24 EDT news602770220