Hyperpolic shear polaritons in low-symmetry crystals
Scientists from the Fritz Haber Institute of the Max Planck Society, Vanderbilt University, City University of New York, University of Nebraska, and University of Iowa have just published new results on asymmetric light-matter waves in the journal Na.....»»
Arctic warming may fuel ice formation in clouds, observations suggest
The Arctic frequently experiences temperatures that support the formation of mixed-phase clouds that contain supercooled liquid droplets and ice crystals. The composition of such clouds plays a crucial role in the region's energy balance and climate.....»»
Researchers discover highest second-harmonic generation response in deep-ultraviolet phosphate
In the field of nonlinear optics (NLO), deep-ultraviolet (DUV) NLO crystals have garnered attention due to their crucial role in all-solid-state lasers. With ongoing research, the demand for these DUV NLO crystals continues to grow......»»
Symmetry model sheds light on the chemistry surrounding peptide helices
Helices are structures found naturally in many important molecules, such as proteins. These helices possess a twist that depends on the arrangement of their basic components. By understanding how a helix is formed, we can gain deeper insights into ho.....»»
Beyond displays: Liquid crystals in motion mimic biological systems
Liquid crystals are all around us, from cell phone screens and video game consoles to car dashboards and medical devices. Run an electric current through liquid crystal displays (LCDs) and they generate colors, thanks to the unique properties of thes.....»»
Rotational symmetry breaking in deformed Reuleaux-triangle resonator simplifies exceptional point achievement
The spectral degeneracies emerging as a consequence of parity-time (PT) symmetry exhibit a profound divergence from their conventional counterparts. They possess non-Hermitian nature and are designated as exceptional points (EPs), marking instances w.....»»
Crystals hold a secret history of volcanoes—and clues about future eruptions
Imagine you had a crystal ball that revealed when a volcano would next erupt. For the hundreds of millions of people around the world who live near active volcanoes, it would be an extremely useful device......»»
Plasmonic modulators could enable high-capacity space communication
Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators—devices that use special light waves called surface plasmon polaritons to control and change optical signals. The.....»»
First detection of cross-correlation between cosmic shear and X-ray background enhances baryonic matter understanding
A new study in Physical Review Letters offers the first detection of the cross-correlation between cosmic shear and diffuse X-ray background, helping to understand the distribution of baryonic matter in the universe......»»
Natural piezoelectric effect may build gold deposits
How does an unreactive, barely soluble metal end up forming giant chunks? Enlarge / A lot of gold deposits are found embedded in quartz crystals. (credit: Pierre Longnus) One of the reasons gold is so valuable is because.....»»
Scientists demonstrate giant THz Kerr effect via stimulated phonon polaritons
Terahertz (THz) waves and THz technologies have gradually opened a new style for communications, cloud-based storage/computing, information contest, and medical tools. With the advancement of THz technologies, studies on THz nonlinear optics have eme.....»»
Replica symmetry breaking in 1D Rayleigh scattering system: Theory and validations
In both the natural world and human society, there commonly exist complex systems, such as climate systems, ecological systems, and network systems. Due to the involvement of numerous interacting elements, complex systems can stay in multiple differe.....»»
Researchers explore design of polar crystalline solids of pure molecular materials
Harmeet Bhoday, a Missouri S&T Ph.D. student in chemistry from Chandigarh, India, was the lead author of an article titled "Perfect Polar Alignment of Parallel Beloamphiphile Layers: Improved Structural Design Bias Realized in Ferroelectric Crystals.....»»
Physics researchers identify new multiple Majorana zero modes in superconducting SnTe
A collaborative research team has identified the world's first multiple Majorana zero modes (MZMs) in a single vortex of the superconducting topological crystalline insulator SnTe and exploited crystal symmetry to control the coupling between the MZM.....»»
A leap forward in nanotechnology: Growing special micro-crystals for better devices
In a paper published in the journal Advanced Materials, Dr. Atikur Rahman's research group from the Physics department at IISER Pune, India, along with collaborators, report a new way to grow special crystals called CsPbBr3 nanoplatelets......»»
Quality control: Neatly arranging crystal growth to make fine thin films
Table salt and refined sugar look white to our eyes, but that is only because their individual colorless crystals scatter visible light. This feature of crystals is not always desirable when it comes to materials for optical and electrical devices, h.....»»
Neutrons reveal the existence of local symmetry breaking in a Weyl semimetal
The first materials scientists might have been early humans who—through trial-and-error experiments—discovered the first "cutting-edge" technologies. They found that the best arrowheads and other tools could be made from certain types of natural,.....»»
PhAI—an AI system that figures out the phase of x-rays that crystals have diffracted
A trio of chemists at the University of Copenhagen has developed an AI application that can be used to figure out the phase of x-rays that crystals have diffracted as part of efforts to predict the structure of small molecules......»»
Research confirms importance of symmetry in pre-ignition fusion experiments
Researchers at Lawrence Livermore National Laboratory (LLNL) have retrospectively confirmed that implosion asymmetry was a major aspect of fusion experiments before achieving ignition for the first time at the Lab's National Ignition Facility (NIF),.....»»
Coupling excitons to polaritons for better solar cells and higher intensity LEDs
In solar cells and light-emitting diodes, maintaining the excited state kinetics of molecules against annihilation is a race against time. These systems need to strike a careful balance between different processes that lead to loss of energy and thos.....»»
Shining light on similar crystals reveals photoreactions can differ
A rose by any other name is a rose, but what of a crystal? Osaka Metropolitan University-led researchers have found that single crystals of four anthracene derivatives with different substituents react differently when irradiated with light, perhaps.....»»