Direct-write quantum calligraphy in monolayer semiconductors An interdisciplinary team of researchers have developed a way to directly write quantum light sources, which emit a single photon of light at a time, into monolayer semiconductors.
Spacecraft measurements reveal mechanism of solar wind heating A new study describes the first direct measurement of how energy is transferred from the chaotic electromagnetic fields in space to the particles that make up the solar wind, leading to the heating of …
Running an LED in reverse could cool future computers In a finding that runs counter to a common assumption in physics, researchers ran a light emitting diode (LED) with electrodes reversed in order to cool another device mere nanometers away.
High-performance quantum dot mode-locked laser on silicon Ten years into the future. That's about how far an electrical and computer engineering professor and his research team are reaching with the recent development of their mode-locked quantum dot la …
Phase transition dynamics in two-dimensional materials Scientists have discovered the mechanism involved when transition metal dichalcogenides on metallic substrates transform from the semiconducting 1H-phase to the quasi-metallic 1T'-phase.
Chirality of Weyl fermions Quasiparticles that behave like massless fermions, known as Weyl fermions, have been in recent years at the center of a string of exciting findings in condensed matter physics. Physicists now report e …
Scientists build the smallest optical frequency comb to-date Scientists have built a photonic integrated, compact, and portable soliton microcomb source. The device is less than 1 cm3 in size, and is driven by an on-chip indium phosphide laser consuming less th …
Quantum strangeness gives rise to new electronics Today, a new breed of electronic devices, bearing unique properties, is being developed. As ultra-miniaturization continues apace, researchers have begun to explore the intersection of physical and ch …
Theories describe dynamically disordered solid materials Theoretical physicists have developed a computational method to calculate the transition from one phase to another in dynamically disordered solid materials. This is a class of materials that can be u …
New method improves infrared imaging performance By successfully suppressing spectral cross-talk in dual-band photodetectors, a researchers has opened the door to a new generation of infrared imaging devices with applications in medicine as well as …
Life on the edge in the quantum world Pulling off high-speed energy transfers in the lab gives researchers insight into quantum computing, high-speed rechargeable batteries, and other future applications of quantum technology.
Scientists image conducting edges in a promising 2D material Researchers have directly imaged 'edge conduction' in monolayer tungsten ditelluride, a newly discovered 2D topological insulator and quantum material. The research makes it possible to expl …
Scientists discover new type of magnet A team of scientists has discovered the first robust example of a new type of magnet — one that holds promise for enhancing the performance of data storage technologies.
Controllable electron flow in quantum wires Scientist have found they can turn on and off the flow of current in a bismuth crystal subjected to a high magnetic field, making a new type of controllable quantum wire.
Theoretical model may help solve molecular mystery When it comes to realizing low-power electronic devices, spintronics looks promising. However, to generate a suitable spin current, you need a relatively large magnet. An alternative method that uses …
New method to reduce quantum noise New method for alleviating the effects of ''noise'' in quantum information systems addresses a challenge that scientists around the globe are working to meet in the race toward a n …
Physicists create exotic electron liquid By bombarding an ultrathin semiconductor sandwich with powerful laser pulses, physicists have created the first 'electron liquid' at room temperature. The achievement opens a pathway for dev …
Supercomputing helps study of two-dimensional materials High-performance computing helps researchers understand experiments for observing real-time motion of lithium atoms in bi-layer graphene, paving the way for designing new materials for batteries and o …
Current generation via quantum proton transfer Scientists have discovered that proton transfer in electrochemical reactions is governed by the quantum tunneling effect (QTE) under the specific conditions. In addition, they made a first ever observ …
Environmentally stable laser emits exceptionally pure light Researchers have developed a compact laser that emits light with extreme spectral purity that doesn't change in response to environmental conditions. The new potentially portable laser could bene …
Photocurrent loss in particle interface quantified With a growing global population will come increased energy consumption, and sustainable forms of energy sources such as solar fuels and solar electricity will be in even greater demand. And as these …
Superinsulators to become scientists' quark playgrounds Scientists widely accept the existence of quarks, the elusive fundamental particles that make up protons and neutrons. But information about their properties is still lacking.
How does a quantum particle see the world? Researchers have demonstrated that whether an object (in our example, the ball) shows quantum features depends on the reference frame. The physical laws, however, are still independent of it.
International team of physicists continues search for new physics Researchers thought they might have finally uncovered evidence of new physics, which could be a sign of dark matter particles, but a recent improvement of the measurement by the CMS collaboration prod …
Movable microstructures from the printer Laser-based 3D printing can already be used today to produce any structure on a micrometer scale. However, for many applications, especially in biomedicine, it would be advantageous if the printed obj …
Laser-fabricated crystals in glass are ferroelectric For the first time, a team of researchers has demonstrated that laser-generated crystals confined in glass retain controllable ferroelectric properties, key to creating faster, more efficient optical …
Superconductors: Resistance is futile New experimental results change the way we think about high-temperature superconductors. This may show us the way to the 'holy grail of solid state physics' — the high-temperature supercond …
New quantum system could help design better spintronics Researchers have created a new testing ground for quantum systems in which they can literally turn certain particle interactions on and off, potentially paving the way for advances in spintronics.
Quantum structure of buckyballs Researchers have measured hundreds of individual quantum energy levels in the buckyball, a spherical cage of 60 carbon atoms. It's the largest molecule that has ever been analyzed at this level o …
Plasmonic pioneers fire away in fight over light Researchers make their case for photoluminescence as the source of light emitted by plasmonic metal nanoparticles. Their techniques could be used to develop solar cells and biosensors.
Converting Wi-Fi signals to electricity with new 2D materials Imagine a world where smartphones, laptops, wearables, and other electronics are powered without batteries. Researchers have taken a step in that direction, with the first fully flexible device that c …
Scientists observe a new form of strange matter In a discovery that could provide new insights into the origin of mass in the universe following the Big Bang, scientists have used experiments with kaons and helium-3 to experimentally demonstrate, f …
Do microbes control the formation of giant copper deposits? One of the major issues when studying ore deposits formed in surficial or near-surface environments is the relationship between ore-forming processes and bacteria. At a first glance, these environment …