Articles tagged with Magnetic Properties
A team of scientists developed a technique to modify individual molecule units in a controlled manner, achieving structural isomerization and synthesizing reactive diradicals. This breakthrough enables the creation of novel carbon nanostructures with designer molecular units.
Researchers have discovered that magnetostriction causes a magnetic phase transition in manganese oxide at 118K, leading to the switch of muon sites. The study uses advanced simulations and resolves a long-standing puzzle, shedding new light on antiferromagnetic oxides.
A research team led by Dr. Ottaviano Rüsch from the University of Münster has discovered anomalous meter-sized rocks on the lunar surface covered in dust, exhibiting unique reflective properties. These findings provide insights into the processes that form and change the lunar crust, including potential magnetic anomalies.
Researchers discovered that chiral phonons, which exhibit circular motion, interact differently than linear phonons and have a larger magnetic moment in topological materials. This finding enhances thermal conductivity and opens new possibilities for advanced devices and applications.
Theoretical demonstration shows that an optical cavity can change the magnetic order of α-RuCl3 from a zigzag antiferromagnet to a ferromagnet solely by placing it into the cavity. The team's work circumvents practical problems associated with continuous laser driving.
Researchers have created a new type of conducting polymer with a helically grown structure, which can emit circularly polarized light. The polymer's radicals are arranged in a helical shape and can be aligned into stripe-like structures when exposed to a magnetic field.
Researchers have modeled fractons, stationary quasiparticles, and found they are not visible even at absolute zero temperature due to quantum fluctuations. The team plans to develop a model to regulate these fluctuations, paving the way for experimental materials that could exhibit fractons.
Researchers at Tokyo University of Science have discovered a novel gold-gallium-dysprosium quasicrystal that exhibits ferromagnetic properties, tunability and high phase purity. The discovery opens up new frontiers in magnetic materials science, with potential applications in spintronics and magnetic data storage.
Researchers at Nagoya University have synthesized methylene-bridged [n]cycloparaphenylenes ([n]MCPPs) with varying ring sizes, exhibiting unique properties such as fluorescence and paratropic belt currents. The discovery has significant implications for studying magnetic properties of aromatic nanobelts.
Researchers found that two outermost electrons from each nickel ion behaved differently, cancelling each other out in a phenomenon called a spin singlet. This led to the discovery of two families of propagating waves at dramatically different energies, contradicting expectations of local excitations.
Researchers at Chalmers University of Technology have discovered a two-dimensional magnetic material that can work in room temperature. This breakthrough paves the way for energy-efficient and faster data storage and processing in computers and mobile devices.
Researchers at Argonne National Laboratory have discovered ultrasmall swirling magnetic vortices, known as merons and skyrmions, in an iron-containing material. These tiny magnetic structures show promise for future computer memory storage and high-efficiency microelectronics due to their stability and adaptability to binary code.
Heat flow in the Earth's core is linked to anomalies in the magnetic field, particularly over Africa and the Pacific. The cooling process does not happen uniformly, causing regional changes to the magnetic field.
Researchers at MIT have discovered a way to switch graphene's superconductivity on and off with short electric pulses, opening up new possibilities for ultrafast brain-inspired electronics. This discovery could lead to energy-efficient superconducting transistors for neuromorphic devices.
Researchers use coherent correlation imaging to image the evolution of magnetic domains in time and space without prior knowledge. The study reveals thermal motion and pinning effects on domain boundaries, unlocking new insights into magnetism's microcosm.
Researchers confirmed cupric oxide's multiferroic state at room temperature under high pressure using neutron diffraction. Thin films of precisely distorted crystals may exhibit such properties at ambient pressure. This discovery enables the development of next-generation memory devices and energy-efficient optical modulators.
Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...
Scientists at Argonne National Laboratory have discovered tiny magnetic vortices called skyrmions that could store data in computers, promising 100-1000 times better energy efficiency than current memory. The team used AI and a high-power electron microscope to visualize and study the behavior of these micro-scale magnetic structures.
Researchers discovered a novel metallic crystal, Kagome metal, with unusual electronic behavior on its surface. The material's unique atomic structure allows for the manipulation of electrons' spin chirality, which can be controlled by applying a local voltage.
Researchers probed local structure and magnetic properties of a Mn-rich Cantor alloy using EXAFS and XMCD techniques. The results show complex magnetic ordering with coexistence of different phases, consistent with macroscopic behavior.
Scientists have successfully printed thin, one-millimeter-thick permanent magnets using selective laser sintering, retaining suitable characteristics for industrial use. This breakthrough enables complex magnet configurations necessary for pacemakers and minimizes production waste.
Researchers have improved a magnetostrictive material that can withstand extremely low temperatures and is suitable for use in space. The compound, which includes terbium and iron, exhibits high magnetostriction values even at liquid nitrogen temperatures, making it ideal for controlling the position of space telescopes.
Researchers at SLAC National Accelerator Laboratory have discovered that nickelate superconductors are always magnetized, whether in their normal or superconducting state. This finding highlights the fundamental properties of these materials and provides insight into how unconventional superconductors carry electric current with no loss.
Scientists have successfully switched the state of a bit in memory using spin-orbit torque switching in antiferromagnetic material Mn3Sn, promising faster and more efficient devices. This breakthrough could lead to radical improvements in performance compared to current electronic devices.
Rice University engineers have developed a novel approach to manipulating the magnetic and electronic properties of 2D materials by stressing them with contoured substrates. The technique, inspired by recent discoveries in twisted 2D materials, allows for unprecedented control over quantum effects.
Researchers at Colorado State University have developed a cobalt-based molecule that can detect extremely subtle temperature shifts inside the body, opening up new possibilities for medical imaging and therapy. The noninvasive probe uses radiofrequency waves to read out temperature signals from the body.
Scientists from the University of Copenhagen have discovered a fundamental property of magnetism that could lead to the development of more powerful and efficient computers. The discovery highlights the potential for magnetism to replace traditional electron-based computing methods.
Researchers have discovered layered 2D materials that can host unique magnetic features, including skyrmions, which remain stable at room temperature. The discovery could lead to novel low-energy data storage and information processing systems.
Researchers at UC Riverside have discovered that curcumin promotes vascular endothelial growth factor (VEGF) secretion, helping to grow engineered blood vessels and tissues. The study uses magnetic hydrogels coated with curcumin-coated nanoparticles, which gradually release the compound without injuring cells.
The study presents experimental evidence for Fermi arcs in antiferromagnets, which are fundamentally different from previously reported cases of magnetic splittings. The findings could lead to novel applications in spintronics by exploiting the unique properties of these materials.
A mechanical RIS has been developed with high reconfiguration degree of freedom, low power consumption, and real-time dynamic control capabilities. It uses a robust control method to determine the rotation angle of each meta-atom and offers a new energy-saving and environmentally friendly alternative for wireless communications systems.
MIT physicists detected a hybrid particle composed of an electron and phonon, with a bond 10 times stronger than known hybrids. The discovery could enable scientists to manipulate material properties through dual control, leading to new magnetic semiconductors and ultra-efficient electronics.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
Researchers created 3D DNA-like structures using advanced 3D printing and microscopy, discovering nanoscale topological textures in the magnetic field. This breakthrough enables control over magnetic forces on the nanoscale, promising new possibilities for particle trapping, imaging techniques, and smart materials.
Osaka University researchers developed an ultra-thin film of magnetite with superior crystallinity and conductive properties, overcoming challenges in spintronics technology. The discovery enables the film to undergo a temperature-dependent resistivity change, crucial for implementation in quantum computing technologies.
A team of Boston College researchers has discovered a dramatic re-arrangement of magnetic domains with thermal cycling in a Mott insulator. They used spin-polarized scanning tunneling microscopy to map the local strength of antiferromagnetic ordering on nanometer length scales.
The team of researchers from Tokyo Institute of Technology developed a generalized spin current theory that accounts for various multiferroic scenarios and provides a transparent toy model for electric polarization. The study demonstrates how the new theory can effectively rationalize the properties of multiferroic materials.
Researchers at Skoltech and their colleagues have successfully created a magnetic material by 3D printing a gradient alloy from nonmagnetic powders. The resulting alloy exhibits ferromagnetic properties, opening up potential applications in machine engineering, such as electrical motors.
Researchers at the University of Tsukuba have developed a strong, flexible conductive fiber using bagworm silk and synthetic polymers. The composite fibers exhibit promising properties for wearable electronic devices, tissue engineering, and microelectronics.
Researchers from Germany, Sweden, and China have discovered braided structures of nanoscale skyrmions in alloys of iron and germanium, offering new insights into their properties and potential uses. These complex shapes stabilize the magnetic structures, making them interesting for applications in information processing.
The study explores chromium oxides, magnetic compounds used in old tapes, and finds that adding oxygen atoms increases metallic properties. This allows for precise control over electrical conductance, enabling the design of molecular-sized components with vast processing and storage capacities.
The discovery of two-phase superconductivity in CeRh2As2 reveals the material has the highest critical magnetic field to transition temperature ratio of any known superconductor. Researchers found a clear transition between two different order parameters as the applied field is raised, leading to unique thermodynamic properties.
Researchers have discovered a way to induce magnetic waves in antiferromagnets using ultrafast laser pulses, potentially leading to faster and more efficient data storage. This technology could endow materials with new functionalities for energy-efficient and ultrafast data storage applications.
Scientists have developed a paramagnetic ring that encapsulates water droplets under a magnetic field, enabling precise manipulation. The ring, made of an oil-based ferrofluid, forms spontaneously around the droplet and can be moved remotely by changing the magnetic field.
Scientists at Skoltech and KTH Royal Institute of Technology predict the existence of antichiral ferromagnetism, a nontrivial property of some magnetic crystals. This phenomenon could lead to unique magnetic domains and skyrmions, distinct from conventional chiral textures.
Researchers from Shinshu University have successfully confined and protected magnetic skyrmions using patterns of modified magnetic properties. This method offers a promising approach for building reliable channels for confinement, accumulation, and transport of skyrmions as information carriers.
A new iron-cobalt-nickel nanocomposite with tunable magnetic properties has been developed by NUST MISIS to protect money and securities from counterfeiting. The material's high coercivity makes it suitable for EMI shielding, magnetically coupled devices, and other industrial applications.
Scientists studied how the cross-sectional geometry of 3D nanowires affects domain wall dynamics and Walker breakdown phenomenon. The research found that oscillatory behavior can be explained by energy changes due to deformation during rotation, promising new possibilities for nano-oscillators and radiofrequency electromagnetic radiation.
Researchers from Immanuel Kant Baltic Federal University develop an optimized arc melting technique to produce highly pure MAX-phases with controlled stoichiometry and pressure. This leads to increased manganese incorporation and reduced side phases, crucial for fundamental understanding of MAX-phase magnetism.
Scientists at NAIST create arrays of isosceles silicon pyramids with flat facet planes, achieving ultrafine 3D shape control. Coating the pyramids with a thin layer of iron imparts unique magnetic properties.
Topological insulators exhibit unusual quantum phenomena due to their electrically conductive surface and insulating interior. A recent study revealed the relationship between the magnetic properties and electronic band structure, finding that the Dirac cone gap closes with increasing temperature, contradicting previous theories.
Researchers at University of Jyväskylä and University of Ottawa developed a novel magnetic compound with pancake bond, improving magnetic properties at elevated temperatures. The design strategy paves the way for new single-molecule magnets with potential applications in spintronics and quantum computers.
A team of Boston College researchers has developed a new approach to create synthetic layered magnets by manipulating non-magnetic atoms in chromium halides. This method enables tuning of magnetic properties, opening up new avenues for creating exotic magnets and innovative technologies.
Scientists have uncovered low-energy waves in magnetite that indicate the importance of electronic interactions with the crystal lattice. The discovery reveals the trimeron order in magnetite has elementary excitations with very low energy, absorbing radiation in the far-infrared region.
Researchers have developed a zinc-doped manganese chromite crystal with significant technological potential. The material exhibits paramagnetic-to-antiferromagnetic phase transition at 19 kelvin, making it suitable for various applications.
A comprehensive study reveals that spin canting, a slight nudge on magnetic moments, provokes substantial changes in the electronic band structure of CaMnBi2. The research establishes a direct link between magnetism and electronic-band topology, opening doors to exploring new properties and possibilities.
Researchers have synthesized manganese-zinc ferrite nanoparticles that can deactive cancer cells without harming healthy tissues. The particles' unique magnetic properties allow them to heat up only at the Curie temperature, making them suitable for treating cancer with minimal damage.
Researchers at the Henryk Niewodniczanski Institute of Nuclear Physics have created a new model to simulate the flow of magnetic waves through magnonic crystals. This breakthrough allows for better control over the material's properties, which is crucial for applications in spintronics and electronics.
Scientists have developed a new method to image surface structures in combination with their magnetic properties at the atomic level. By using a scanning tunneling microscope with a nickel-containing molecule as an active sensor, they were able to detect magnetic moments with unprecedented spatial resolution.
Researchers at NTNU have created magnetic supercrystals that assemble themselves into strong shapes, increasing cohesive energy by up to 45% due to magnetism. This discovery opens up new possibilities for controlling the mechanical properties of these structures, which could be used in various applications.