Articles tagged with Solid State Physics
A team of researchers at Johannes Gutenberg University Mainz has developed a new method to study the interior of crystalline drops using monochromatic illumination. This approach exploits the color-dependent scattering of light and reveals the density profile of the drop, including initial rapid expansion due to particle repulsion befo...
Scientists have developed a method to control heat transfer in graphite crystals, enabling efficient thermal management in electronic components. The discovery uses concepts from fluid dynamics to manipulate phonons, or quasiparticles that propagate through solid-state crystals.
Researchers at the Max Planck Institute have made a groundbreaking discovery in chiral materials, enabling the creation of orbital electronics. The study reveals that certain materials naturally possess orbital angular momentum monopoles, which can be harnessed for memory devices and other applications.
Researchers have discovered chiral topological semi-metals that possess properties making them suitable for generating currents of orbital angular momentum (OAM) flows. This breakthrough paves the way for the development of energy-efficient devices in orbitronics, a potential alternative to traditional electronics.
A team of researchers has demonstrated a novel way of storing and releasing X-ray pulses at the single photon level, enabling future X-ray quantum technologies. This breakthrough uses nuclear ensembles to create long-lived quantum memories with improved coherence times.
An international team successfully realizes periodic oscillations and transportation for optical pulses using a synthetic temporal lattice. They observe the features of SBO collapse, including vanishing oscillation amplitude and flip of initial oscillation direction.
Dr. Wencai Liu, an associate professor at Texas A&M University, has been selected for the 2024 IUPAP Early Career Scientist Prize in Mathematical Physics. His research focuses on linear and nonlinear Schrodinger equations, contributing to our understanding of quantum mechanics and its applications.
Researchers have discovered unusual transport phenomena in ultra-clean SrVO3 samples, contradicting long-standing scientific consensus. The study's findings challenge theoretical models of electron correlation effects and offer insights into the behavior of transparent metals.
A team of researchers from TU Wien and the University of Manchester demonstrated the control of thermal radiation by manipulating its topological properties. They created a coating with varying metal layer thickness along the coastline of the British Isles, allowing for localized heat emission at specific points.
Researchers at the University of Arizona and Sandia National Laboratories have developed a new class of synthetic materials that enable giant nonlinear interactions between phonons. This breakthrough could lead to smaller, more efficient wireless devices, such as smartphones or other data transmitters.
Researchers from Tokyo Metropolitan University created a new model to study the transmission of forces through amorphous solids like concrete and cement. They found that areas between hard regions 'harden' to produce elongated force chains, leading to softer materials with more uniform stiffness.
A new atomically-thin material has been discovered that can switch between an insulating and conducting state by controlling the number of electrons. This property makes it a promising candidate for use in electronic devices such as transistors.
Researchers at Osaka Metropolitan University developed a process to create solid sulfide electrolytes with world-high sodium ion conductivity and glass electrolytes with high reduction resistance. This breakthrough enhances the practical use of all-solid-state sodium batteries.
Scientists create high-throughput automation to calculate surface properties of crystalline materials using established laws of physics. This accelerates the search for relevant materials for applications in energy conversion, production, and storage.
Researchers propose a novel separator design co-coated with boehmite ceramics and LATP solid-state electrolytes to improve the safety of HED LIBs. The study demonstrates that this design can prevent thermal deformation and mitigate detrimental effects on electrochemical performance, resulting in improved battery performance and reliabi...
Researchers discovered charge fractionalisation in an iron-based metallic ferromagnet using laser ARPES spectroscopy, revealing collective excitations and quasiparticles. The study challenges fundamental quantum mechanics by showing electrons can behave as independent entities with fractionally charged pockets.
Researchers from TU Graz developed an innovative ice-repellent coating using initiated chemical vapour deposition (iCVD). The coating's unique mechanism involves random alignment of molecules, creating a surface that prevents ice crystals from sticking.
A team of researchers from the Max Born Institute has demonstrated a new approach to all-attosecond pump-probe spectroscopy using a compact intense attosecond source. This enables the investigation of extremely fast electron dynamics in the attosecond regime, which is not accessible by current attosecond techniques.
A Swiss-Polish team has found the answer to why previous attempts to use magnesium hydride for efficient hydrogen storage failed. The researchers developed a new model that predicts local, thermodynamically stable clusters are formed in magnesium during hydrogen injection, reducing hydrogen ion mobility.
Researchers at Paul Scherrer Institute created solid-state qubits from rare-earth ions in a crystal, showing that long coherences can exist in cluttered environments. The approach uses strongly interacting pairs of ions to form qubits, which are shielded from the environment and protected from decoherence.
Research explains why X-ray diffraction images 'darken' at high intensities, offering new perspective for ultra-short laser pulse production. Different atoms respond differently to ultrafast X-ray pulses, potentially improving atomic structure reconstruction and generating even shorter pulses.
Researchers from Monash University have introduced a new theoretical study on quantum impurities, exploring their behavior in two-dimensional semiconductors. The 'quantum virial expansion' method sheds light on the complex interactions between impurities and their surroundings in 2D materials.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
The University of Science and Technology of China has made a significant breakthrough in exploring exotic spin interactions using solid-state spin quantum sensors. Their research findings provide valuable insights into these interactions, allowing for precise measurements of various spin phenomena.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
Researchers from Osaka University and others have used topological data analysis and machine learning to predict the properties of amorphous materials. The study employed a method combining persistent homology and machine learning to accurately predict the energies of disordered structures composed of carbon atoms at varying densities.
A recent study presents an exciting new way to measure the crackling noise of atoms in crystals, enabling the investigation of novel materials for future electronics. The method allows researchers to study individual nanoscale features and identify their effects on material properties.
Researchers have identified a mechanism explaining the characteristic properties of strange metals, which operate outside normal rules of electricity. The theory combines two properties: electron entanglement and nonuniform atomic arrangement, resulting in electrical resistance.
Researchers have found that certain materials can exhibit D-wave effects, entangled with other quantum states, allowing for efficient coupling at higher temperatures. This breakthrough bridges condensed matter physics subfields and could enable practical applications of quantum computing.
A German-Chinese research team has successfully created a quantum bit in a semiconductor nanostructure by exciting a superposition state with two short-wavelength optical laser pulses. This achievement demonstrates coherent control of a high-orbital hole in a semiconductor quantum dot.
Researchers have discovered Rydberg moiré excitons in WSe2 monolayer semiconductor adjacent to graphene, exhibiting multiple energy splittings and a pronounced red shift. The discovery holds promise for applications in sensing and quantum optics due to the strong interactions with the surroundings.
Scientists designed materials with mechanical memory by introducing frustration into their structure, resulting in a new type of order. This breakthrough could be used to create robotic arms and wheels with predictable bending mechanisms, as well as more efficient quantum computers.
Physicists have discovered that phonons, quasiparticles describing crystal lattice vibrations, can exhibit chirality - a fundamental concept with implications for material properties. Using circular X-ray light, researchers observed corkscrew motions of phonons in quartz, revealing the phenomenon of chiral phonons.
Japanese researchers develop improved ternary superconductor bulks from liquid sources, demonstrating enhanced performance and microstructural analysis shows significant reductions in secondary phase particle size. The findings have huge potential for applications in magnetic levitation, electric motors, and energy systems.
An international research team has confirmed for the first time that mutual information in a many-body quantum system scales with surface area rather than volume. The experiment used ultracold atoms and a special tomography technique to measure the shared information.
Researchers have found a material, palladium, that is optimally suited for creating superconductors with high transition temperatures. This discovery has the potential to revolutionize electricity generation and transportation by enabling materials to conduct electricity without loss at normal room temperature and atmospheric pressure.
Researchers predict that layered electronic 2D semiconductors can host a quantum phase of matter called the supersolid. A solid becomes 'super' when its quantum properties match those of superconductors, simultaneously having two orders: solid and super. The study reports the complete phase diagram of this system at low temperatures.
A team led by Professor Yoshihiro Yamazaki from Kyushu University discovered the chemical innerworkings of a perovskite-based electrolyte developed for solid oxide fuel cells. By combining synchrotron radiation analysis, large-scale simulations, machine learning, and thermogravimetric analysis, they found that protons are introduced at...
Researchers at University of Tokyo's Institute for Solid State Physics have demonstrated a switch made from a single fullerene molecule that can function as multiple high-speed switches simultaneously. This technology could lead to unprecedented levels of resolution in microscopic imaging devices.
A Polish-German-Italian team developed a new simulation tool called XSPIN to simulate X-ray-induced demagnetisation in multilayer materials. The tool allows for control over laser pulse parameters, such as energy and duration, to achieve specified spatial and temporal scales.
Researchers created a protective coating of glass, gallium-oxide to reduce vibrations in graphene devices. The oxide improves device performance and provides a new method of protection.
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...
Researchers at TU Wien have directly measured the fine structure constant using a thin film that rotates light polarisation, revealing an astonishing quantum jump related to this fundamental constant. This measurement provides new insights into the strength of electromagnetic interactions.
Researchers at Monash University found that electric fields and applied strain can turn magnetism on and off in two-dimensional metal-organic frameworks. This discovery could lead to applications in magnetic memory, spintronics, and quantum computing.
Scientists developed a novel exciton with intralayer charge-transfer characteristics in a moiré superlattice, exceeding conventional parameterized models. The discovery has potential applications in optical sensors and communication technology.
Researchers have controlled a one-dimensional electron fluid to an unprecedented degree, discovering new properties of Tomonaga-Luttinger liquids in two-dimensional materials. The team's findings could pave the way for more robust quantum computers with enhanced fault-tolerance.
Researchers review emerging field of 2D ferroelectric materials with layered van-der-Waals crystal structures, offering new properties and functionalities not found in conventional materials. These materials show easily stackable nature, making them attractive as building blocks for post-Moore's law electronics.
A team of researchers from Johannes Gutenberg University Mainz have successfully developed a new approach to improve the way data is processed and stored. By combining chirality in spin configurations and molecules, they aim to create faster, smaller, and more efficient data storage devices.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
Researchers have successfully switched on and off topological states in a material, exploiting the interaction of electrons to manipulate their behavior. The discovery opens up new possibilities for technical applications, including quantum computers and sensor technology.
Researchers from Rice University and European institutions developed a method to switch on and off topological states in a strongly correlated metal using magnetic fields. The strong electron interactions enable the material to be controlled, which could lead to new applications in sensor technology and electronics.
Researchers from Osaka University have developed a new method to control topological electronic states in smarium hexaboride, detouring its topological protection. This breakthrough could lead to new technologies for higher speed and low power consumption electronics.
Researchers discovered that irregularities between grains in the battery's electrolyte can accelerate failure by moving ions at varying speeds. Adjusting material processing techniques may help solve reliability problems with solid-state batteries.
Scientists have analyzed the interaction between highly charged ions and graphene at a femtosecond scale, revealing complex processes involved in material response. The study provides fundamental new insights into how matter reacts to short and intense radiation exposure.
The IQ-Sense project brings together researchers from two German universities to develop and demonstrate integrated quantum sensors for spectroscopic and imaging applications. The project will enable precise measurements of temperature, pressure, magnetic or electric fields, crucial in various scientific and medical fields.
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.
A Polish-Japanese team demonstrates a salutary delay in the reaction of crystal atoms to an avalanche of photons, using X-ray laser pulses. This discovery enables the observation of an undisturbed structure of matter by using sufficiently short laser pulses.
Scientists have found a new phenomenon where an atomic switch has to be switched back and forth four times to return to its original state. The spin of gadolinium atoms performs one full rotation during this process. This discovery opens up possibilities for material physics and could potentially be used to store information.
Scientists have discovered a way to optimize thermoelectric properties in one material by exploiting the Anderson transition, where electrons move freely, enabling efficient energy conversion. This breakthrough could lead to improved performance in thermoelectric devices and applications, such as power generation and waste heat recovery.
Researchers at UVA School of Engineering and Applied Science have discovered a way to make a versatile thermal conductor that can be controlled on demand. This advancement has promise for managing heating and cooling in electronic devices, green buildings and space exploration, with potential applications including the Mars Rover.