Argonne scientists have observed that when the shape of a thin film of metal oxide known as titania is confined at the mesoscale, its conductivity increases. This finding demonstrates that nanoscale confinement is a way to control quantum effects.
In a newly funded project, Argonne and the University of Illinois Urbana-Champaign will explore coupling magnetism and microwaves. This research will yield new insights that should benefit quantum sensing, data transfer and computing.
Bilayer graphene with one of the two layers twisted displayed unique resonant electronic behavior. Understanding how electrons move in such 2-D materials could shed light on how to manipulate them for quantum computing and communication.
Three Argonne projects have received DOE funding to lay the groundwork for future breakthroughs in quantum information science.
Scientists demonstrated that ultrathin films of samarium nickel oxide can mask the thermal radiation emitted by hot materials. This is due to the material undergoing a gradual transition from insulator to conductor. This study shows that quantum materials such as samarium nickel oxide can manage thermal radiation with potential applications in infrared camouflage, privacy shielding, and heat transfer control.
Scientists have devised a means of achieving improved information processing with a new technology for effective gate operation. This technology has applications in classical electronics as well as quantum computing, communications and sensing.
States of local broken symmetry at high temperature—observed in several materials, including one with a metal-insulator transition, an iron-based superconductor, and an insulating mineral part of the Earth’s upper mantle—may enable the technologically relevant properties arising at much-lower temperature.
The U.S. Department of Energy has selected Iowa State’s Srimoyee Sen for an early career award that will help her study nuclear physics and quantum phenomena. The research could lead to the discovery of new materials that could one day contribute to speedy quantum computing or other applications.
Researchers have discovered a new electronic property at the frontier between the thermal and quantum sciences in a specially engineered metal alloy – and in the process identified a promising material for future devices that could turn heat on and off with the application of a magnetic “switch.”
In an open access paper published in Science Advances, Johns Hopkins physicists and colleagues at Rice University, the Vienna University of Technology (TU Wien), and the National Institute of Standards and Technology (NIST), present experimental evidence of naturally occurring quantum criticality in a material.
This latest-generation tool, which combines a scanning electron microscope and focused-ion beam, has advanced capabilities for preparing and analyzing nanomaterial samples.
Sergei Kalinin, a scientist and inventor at the Department of Energy’s Oak Ridge National Laboratory, has been elected a Fellow of the Microscopy Society of America professional society.
Through the U.S. Department of Energy’s Technologist in Residence program, Brookhaven Lab and Northrop Grumman scientists will partner on quantum materials research.
Researchers at Argonne National Laboratory, the University of Chicago and scientific organizations in Japan, Korea and Hungary have established an invaluable resource for those looking to discover new quantum systems.
Scientists at the U.S. Department of Energy’s Ames Laboratory have observed novel helical magnetic ordering in the topological compound EuIn2As2 which supports exotic electrical conduction tunable by a magnetic field.
A group of scientists from around the country, including those at Argonne National Laboratory, have discovered a way to make AI-related hardware more efficient and sustainable.
ORNL story tips: Quantum building blocks, high-pressure diamonds, wildfire ecology, quick cooling tooling and printing on the fly
Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
The UC Santa Cruz professor uses computing resources at Brookhaven Lab’s Center for Functional Nanomaterials to run calculations for quantum information science, spintronics, and energy research.
Topological insulators are electron are superhighways on their edges and insulators everywhere else. Researchers used a process called high harmonic generation to separately probe electron behavior in both of those domains.
Copper oxides have the highest superconducting transition temperatures under normal conditions, but physicists aren’t sure why. A group of international researchers may have stumbled upon a major clue that could help revolutionize our understanding of these superconductive materials.
Researchers have achieved, for the first time, electronically adjustable interactions between microwaves and a phenomenon in certain magnetic materials called spin waves. This could have application in quantum and classical information processing.
The MIPT Center for Photonics and 2D Materials has been named among the winners of the eighth competition for megagrants from the Russian government. The funding will go toward research on advanced nanophotonics: quantum materials and artificial intelligence.
Park, a staff researcher at Brookhaven Lab’s Center for Functional Nanomaterials, is designing and building an automated system to generate high-quality ultrathin “flakes,” which can be stacked into layered structures that are essentially new materials.
A new research hub at Perimeter Institute seeks to accelerate discovery in one of the fastest-growing fields in physics, thanks to a $10 million investment from the Riddell Family Charitable Foundation.
Theory suggests that quantum critical points may be analogous to black holes as places where all sorts of strange phenomena can exist in a quantum material. Now scientists say that they have found strong evidence that QCPs and their associated fluctuations exist in a cuprate superconductor.
The U.S. Department of Energy Office of Science has selected Brookhaven National Laboratory to lead one of five National Quantum Information Science Research Centers. Through hardware-software co-design, the center—called the Co-design Center for Quantum Advantage—will advance quantum computing.
Scientists at Berkeley Lab have demonstrated a new technique that could improve the performance of atomically thin semiconductors for next-generation electronics such as optoelectronics, thermoelectrics, and sensors.
Graphene, an extremely thin two-dimensional layer of the graphite used in pencils, buckles when cooled while attached to a flat surface, resulting in beautiful pucker patterns that could benefit the search for novel quantum materials and superconductors, according to Rutgers-led research in the journal Nature. Quantum materials host strongly interacting electrons with special properties, such as entangled trajectories, that could provide building blocks for super-fast quantum computers. They also can become superconductors that could slash energy consumption by making power transmission and electronic devices more efficient.
A research team led by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a technique that could lead to new electronic materials that surpass the limitations imposed by Moore’s Law.
Scientists at the U.S. Department of Energy’s Ames Laboratory and their collaborators from Iowa State University have developed a new approach for generating layered, difficult-to-combine, heterostructured solids. Heterostructured materials, composed of layers of dissimilar building blocks display unique electronic transport and magnetic properties that are governed by quantum interactions between their structurally different building blocks, and open new avenues for electronic and energy applications.
Scientists performed simulations of merging rotating superfluids, revealing a peculiar corkscrew-shaped mechanism that drives the fluids into rotation without the need for viscosity.
A team of researchers co-led by Berkeley Lab has observed unusually long-lived wavelike electrons called “plasmons” in a new class of electronically conducting material. Plasmons are very important for determining the optical and electronic properties of metals.
Research findings published in Nature Communications outline how a national team of researchers supported by the DOE’s Office of Science opens up a new dimension of safe hardware for AI and neuromorphic computing.
Turning a brittle oxide into a flexible membrane and stretching it on a tiny apparatus flipped it from a conducting to an insulating state and changed its magnetic properties. The technique can be used to study and design a broad range of materials for use in things like sensors and detectors.
Story Tips: Molding matter atom by atom and seeing inside uranium particles, from the Department of Energy’s Oak Ridge National Laboratory
Valerii Vinokur, a senior scientist and distinguished fellow at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, has been awarded the Fritz London Memorial Prize for his work in condensed matter and theoretical physics.
Berkeley Lab scientists tap into graphene’s hidden talent as an electrically tunable superconductor, insulator, and magnetic device for the advancement of quantum information science
Scientists at Argonne National Laboratory report fabricating and testing a superconducting nanowire device applicable to high-speed photon counting. This pivotal invention will allow nuclear physics experiments that were previously thought impossible.
Experimental physicists have combined several measurements of quantum materials into one in their ongoing quest to learn more about manipulating and controlling the behavior of them for possible applications. They even coined a term for it– Magneto-elastoresistance, or MER.
Researchers have for the first time detected an exceptional surface based on measurements of exceptional points. These points are modes that exhibit phenomenon with possible practical applications in information processing.
Scientists at Berkeley Lab have developed a diamond anvil sensor that could lead to a new generation of smart, designer materials, as well as the synthesis of new chemical compounds, atomically fine-tuned by pressure.
SLAC theorists have observed strange metallicity in a well-known model for simulating and describing the behavior of materials with strongly correlated electrons, which join forces to produce unexpected phenomena rather than acting independently.
Argonne scientists have discovered an intriguing new behavior in a two-dimensional material at the atomic level as it is stretched and strained, like it would be in an actual flexible device.
Google recently announced that its quantum computer made a huge breakthrough and can perform a calculation that would normally take thousands of years in mere minutes. What exactly is quantum computing? What does it require? Johns Hopkins University’s Yufan Li,…
Science Snapshots – Waste to fuel, moiré superlattices, mining cellphones for energy data
By using sound waves, scientists have begun to explore fundamental stress behaviors in a crystalline material that could form the basis for quantum information technologies.
The U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and the University of Delaware (UD) have begun a two-year joint initiative to promote collaborative research in new areas of complementary strength and strategic importance.