Articles tagged with Condensed Matter Physics
Researchers discovered that certain liquid crystals form multiple chiral smectic phases and exhibit complex crystallization processes. Slow cooling can lead to crystallization, while fast cooling promotes vitrification. Cold crystallization occurs when the sample is heated, and its kinetics are controlled by diffusion rates.
Scientists at Max Born Institute demonstrate ultrafast emergence of all-optical switching by generating a nanometer-scale grating through interference of two pulses in the extreme ultraviolet spectral range. The researchers identify an intensity ratio as a fingerprint observable for AOS in diffraction experiments.
FeRh, a metal with antiferromagnetic and ferromagnetic phases, has its phase transition kinetics measured using ultrafast techniques. The study reveals new insights into the ultrafast dynamics of magnetic materials.
Researchers from Johannes Gutenberg University Mainz and partners will continue developing fundamental soft matter simulation methods, improving techniques and applying them to real-world problems. The project aims to establish routine use of multiscale techniques for simulating soft material properties.
The German Research Foundation has granted funding to Johannes Gutenberg University Mainz (JGU) and its strategic alliance partners for four years. Researchers in materials sciences, biophysics, and medicine are working on three collaborative projects with a total funding volume of EUR 35 million. The focus is on developing multiscale ...
A team of researchers has observed a new kind of wave mixing process involving soft x-rays, allowing for selective tracking of electrons in materials. By analyzing this process, they gain insights into the nature of the material and its electronic structure.
Electronic nematicity, a key feature of iron-based superconductors, is primarily driven by spin excitations in FeSe. The study uses RIXS to reveal the spin anisotropies underlying this phenomenon, shedding light on its origin and potential impact on high-temperature superconductivity.
Researchers use computational detective work to verify the existence of a 3D quantum spin liquid in cerium zirconium pyrochlore, overcoming decades-long challenge. The material exhibits fractionalized spin excitations, where electrons do not arrange their spins in relation to neighbors.
Researchers studied twisted trilayer graphene, discovering a phase diagram that decouples into product states of graphene and bilayer graphene. The system exhibits unique insulating and semi-metallic phases in the presence of an electric field.
Researchers precisely measure gold nanocontact's Young's modulus by combining TEM and LER techniques. The study reveals that the outer surface layer governs the overall strength of gold nanocontacts, with implications for NEMS and potential applications in pressure sensors.
Researchers discovered that the CuO2 planes in superconducting Pr2Ba4Cu7O15-δ are both insulating and antiferromagnetic. The findings contradict previous theories and suggest that double chains may be responsible for the superconductivity.
Researchers create a quantum anomalous Hall insulator by stacking a ferromagnetic material between two 2D topological insulators, enabling room-temperature lossless transport. The new architecture could lead to ultra-low energy future electronics or topological photovoltaics.
Researchers have observed persistent swinging of electrons between atomic sites in crystals using ultrafast X-ray diffraction. The study reveals relocation of valence charge on the length scale of interatomic distances, paving the way for future studies of functional materials.
A team of researchers at The University of Tokyo has created a model that reveals the role of emergent elastic fields in chiral molecular and colloidal crystals. The findings provide a potential switch for developing new electro- and magneto-mechanical devices.
Researchers at IOPCAS have synthesized a new compound Ba6Cr2S10, exhibiting ferroelectricity due to broken space-reversal symmetry. The discovery demonstrates the realization of a 1D ferrotoroidic model in a real material, opening doors for future quantum information technology.
Researchers have imaged and measured the two parts of a unique particle called moiré exciton, extending their lifespan. They found that excitons are localized in tiny pockets of around 1.8 nanometers, forming in places where energy is minimal.
Researchers have confirmed a novel quantum topological material for ultra-low energy electronics, reducing energy consumption by a factor of four. The study reveals the potential of zigzag-Xene-nanoribbons to make topological transistors with robust edge states and low threshold voltage.
Researchers have discovered that magnetic spin waves can propagate on circular paths in certain materials, enabling efficient and compact information transfer. This phenomenon, known as Landau quantization, has significant implications for the development of new electronic components.
Researchers from the University of Würzburg have discovered new states in 2D materials by exploring their interactions with phonons. This breakthrough enables the creation of hybridized exciton-photon-phonon states, which could lead to room-temperature Bose-Einstein condensation and polariton lasing.
Researchers have found a new method to induce the piezoelectric effect in materials that are otherwise not piezoelectric. This breakthrough could lead to the development of biocompatible materials with properties similar to common lead-containing materials, and has the potential to expand the design of new electromechanical devices.
Researchers at University of California - Riverside observe time crystals in a system not isolated from its environment, achieving a major breakthrough. The all-optical time crystal uses a disk-shaped magnesium fluoride glass resonator and has potential applications in accurate measurements and precision timekeeping.
Researchers at PSI's Laboratory for Muon Spin Spectroscopy have discovered strong evidence of exotic charge order and orbital currents in a correlated kagome superconductor. The findings provide a new insight into unconventional superconductivity and its relationship with the quantum anomalous Hall effect.
Researchers at GIST used ultrafast X-ray pulses to study warm dense copper electrons, revealing that bonds harden before melting. The findings could improve understanding of extraordinary material properties and their underlying mechanisms.
Scientists have successfully detected two-dimensional kagome surface states in the material RV6Sn6, offering a new approach to investigating intrinsic physics of kagome lattices. The detection was achieved using angle-resolved photoemission spectroscopy (ARPES) with real-space resolution.
The discovery of electroferrofluids with nonequilibrium voltage-controlled magnetism has the potential to control pattern formation and structures, providing valuable insights into dissipative systems. This system can be used to study transition into dissipative systems and understand how external influences interact with the system.
Physicists at the University of Queensland have developed a comprehensive understanding of vortex pinning and unpinning in two-dimensional superfluids. The study reveals four regimes governing these interactions, including a 'pair creation' regime where vortices are pinned to defects.
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
Researchers have demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce topological effects. The study found that the mere presence of loss in an exciton-polariton system causes it to exhibit nontrivial topology.
Researchers predict existence of split photons, a new phase of light that behaves like a coin with two distinct halves. The finding advances fundamental understanding of light and its behavior, challenging long-held beliefs.
Researchers used DeepMind's platform to develop a new functional 'DM21' that better models chemical reactions by addressing long-standing errors in density functional theory. This breakthrough enables more accurate simulations of matter at the nanoscale, potentially leading to improved material design and discovery.
Researchers from Osaka University have successfully grown high-quality magnetite thin films on a hexagonal boron nitride substrate without compromising the film's properties. This breakthrough enables the development of flexible spintronics devices with preserved electronic and magnetic properties.
Scientists from Stanford University and Google Quantum AI have successfully created a time crystal, a new phase of matter that repeats in time without energy input. The achievement opens up opportunities to explore new regimes in condensed matter physics, providing insight into non-equilibrium quantum systems.
Researchers have successfully manipulated a single skyrmion, a tiny magnetic vortex, at room temperature using pulses of electric current. The team used Lorentz transmission electron microscopy to track the motion of the skyrmion and control its direction with ultrafast pulses of electricity.
A University of Wollongong team has combined two doping elements to achieve new efficiencies in the topological insulator Bi2Se3. The resulting crystals show clear ferromagnetic ordering, a large band gap, high electronic mobility, and the opening of a surface state gap.
Researchers find that triangular-patterned materials can exhibit a mashup of three different phases, with each phase overlapping and competing for dominance. As temperature increases, the material becomes more ordered due to the breaking down of these competing electron arrangements.
Scientists from the University of Tsukuba have created a method to grow conducting polymers with magnetic properties using harmless virus particles as templates. The resulting polymer networks exhibit helical antiferromagnetic behavior, opening doors for applications in biosensors and virus detection.
Researchers from The University of Tokyo Institute of Industrial Science used microscopy to examine surfactant onion layers, discovering they contain defects. Their findings are crucial for designing effective therapeutic carrier systems.
Researchers have discovered a three-channel Kondo effect in a cubic holmium compound using numerical methods, predicting an exotic quantum ground state and potential applications. The study found a residual entropy value at ultra-low temperatures, matching the predicted value by the three-channel Kondo effect.
Researchers have identified a complex alloy system that can be strengthened and made more ductile using quantum-mechanical modeling. This breakthrough may lead to more efficient engines, lowering fuel consumption and greenhouse gas emissions in the aviation industry.
Researchers have shown a new way to probe the properties of anyons, strange quasiparticles that could be useful in future quantum computers. By measuring subtle properties of heat conductance, they can detect anyons even in non-conducting materials.
The attoscience community has clarified points of tension through discussions among researchers, exploring the scope and nature of analytical and ab-initio approaches. Researchers also investigated the physical observables of quantum tunnelling experiments, aiming to explain differing conclusions.
New research reveals that a layer of 'hot', electrically conductive ice could be responsible for generating the magnetic fields of ice giant planets. The study found two forms of superionic ice, one of which may exist in the interiors of Uranus and Neptune.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
Australian researchers have made a significant step towards ultra-low energy electronics by demonstrating the dissipationless flow of exciton polaritons at room temperature. The breakthrough involves placing a semiconductor material between two mirrors, allowing the excitons to propagate without losing energy.
The game app 'Kitty Q' combines science and entertainment to introduce children and teenagers to quantum physics, with a focus on attracting girls to STEM fields. The app features over 20 puzzles based on scientific facts from quantum physics, designed to awaken curiosity and encourage trying things out.
Researchers used computer modeling to study prethermal discrete time crystals (DTCs) using classical physics, not quantum physics. They found that a simpler approach can be used to understand the properties of DTCs, which are highly complex physical systems.
MnBi2Te4's unique properties make it suitable for ultra-low-energy electronics and observing exotic topological phenomena. The material is metallic along its one-dimensional edges while electrically insulating in its interior.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
A new study reveals the emergence of magnetism in a 2D organic material due to strong electron-electron interactions in its unique star-like atomic-scale structure. The findings have potential applications in next-generation electronics based on organic nanomaterials.
A City University of Hong Kong physicist has observed the first unpaired singular Weyl magnetic monopole in a specific kind of single crystalline solid, defying the Nielsen-Ninomiya no-go theorem. The discovery opens up new avenues for understanding bulk topological properties and potential applications in spintronics.
Researchers create transistors with an ultra-thin metal gate grown as part of the semiconductor crystal, eliminating oxidation scattering. This design improves device performance in high-frequency applications, quantum computing, and qubit applications.
Researchers at Nagoya City University have detected strongly entangled pair of protons on a nanocrystalline silicon surface. This breakthrough could enable the creation of more qubits and ultra-fast processing for supercomputing applications, revolutionizing quantum computing.
Researchers at GIST develop a non-contact, nondestructive approach to characterize crystal structures in thin films, shedding light on surface symmetries in SrRuO3. The technique offers a platform for structural characterization of surfaces and interfaces using optical techniques.
Researchers have explored the limits of light-matter coupling at the nanoscale, discovering a fundamental physical limit to subwavelength confinement. The study reveals that as light is concentrated into smaller volumes, its interaction with matter changes in ways that cannot be predicted by classical theories.
Researchers explore joining topological insulators with magnetic materials to achieve quantum anomalous Hall effect, promising building blocks for low-power electronics. The 'cocktail' approach allows tuning of both magnetism and topology in individual materials, enabling operation closer to room temperature.
Researchers discovered MnS2 transitions into a metallic state and then back to an insulator as pressure is applied, resulting in significant decreases in resistance. This phenomenon occurs due to the interaction of electron spin states under high pressure.
The new Gluon Exchange Model (GEM) describes protons as complex systems with virtual quark-antiquark pairs, challenging the concept of stable diquarks. GEM predicts the disintegration of diquarks in certain collisions, offering a new perspective on proton interactions.
Researchers investigate fundamental aspects of topological semimetals, enabling access to matter's physics and attractive platforms for electronic devices. A new family of semimetals has sparked interest due to their potential to revolutionize technology.
A team of scientists has found a new Hall effect phenomenon in non-magnetic materials, revealing an intrinsic in-plane response that defies classical expectations. The observed effect is attributed to the interplay between Berry curvature and Weyl semimetal properties.
Researchers have developed an innovative approach to enhance the performance of solar cells, which could lead to a significant increase in efficiency and revolutionize photovoltaics. The new method, published in Nature Energy, demonstrates potential for ultra-high-efficiency single-junction semiconductor devices.