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Tag: ATOMIC/MOLECULAR/PARTICLE PHYSICS
Photosynthesis seen in a new light by rapid X-ray pulses
The ability to transform sunlight into energy is one of Nature’s more remarkable feats. Scientists understand the basic process of photosynthesis, but many crucial details remain elusive, occurring at dimensions and fleeting time scales long deemed too minuscule to probe.…
Trapping versus dropping atoms expands ‘interrogation’ to 20 seconds
Trapped atoms, suspended aloft on a lattice of laser light for as long as 20 seconds, allow for highly sensitive measurements of gravity, according to a new study, which describes a new approach to atom interferometers. The new design greatly…
$2 million grant will support development of ‘magnetic camera’
PROVIDENCE, R.I. [Brown University] — A team of Brown University researchers will use a $2 million grant from the National Science Foundation to build a quantum mechanical magnetic camera, which will take snapshots of weak magnetic fields emanating from quantum…
The hidden ability of synchrotron radiation to perform coherent control
Coherent control is a method to manipulate the populations and pathways in matters by light and is currently one of the most attractive research areas in optical physics and photochemistry. Lasers have been considered as unique light source enabling one…
Chemists’ surprising discovery of nanoconfined reactions could aid catalytic design
ATLANTA-Georgia State University chemistry researchers have unlocked one of the mysteries of catalytic reactions on a microscopic scale, allowing for the design of more efficient industrial processes. Catalysts — which speed up chemical reactions in everything from the digestion of…
Chemists’ surprising discovery of nanoconfined reactions could aid catalytic design
ATLANTA-Georgia State University chemistry researchers have unlocked one of the mysteries of catalytic reactions on a microscopic scale, allowing for the design of more efficient industrial processes. Catalysts — which speed up chemical reactions in everything from the digestion of…
SMART discovers breakthrough way to look at the surface of nanoparticles
New method to explore the surface of nanoparticles, unlike existing chemical procedures which have severe limitations
Black holes sometimes behave like conventional quantum systems
A group of Skoltech researchers led by Professor Anatoly Dymarsky have studied the emergence of generalized thermal ensembles in quantum systems with additional symmetries. As a result they found that black holes thermalize the same way ordinary matter does. The…
Scientists spy unstable semiconductors
New observations using state-of-the-art techniques could help to build better electronics in smartphones, GPS and satellites
Scientists probe the limits of ice
Coexistence of ice and liquid water breaks down at the nanoscale
Scientists spy unstable semiconductors
New observations using state-of-the-art techniques could help to build better electronics in smartphones, GPS and satellites
Elusive cancer-related protein captured in flight
Scientists have for the first time seen how the MYC protein, which plays a central role in cancer, binds to a key protein and controls important functions in the cell. The study, published in Nature Structural and Molecular Biology ,…
SRNL radiation detection systems operating at ports of Tacoma and NY/NJ
AIKEN, S.C. (Nov. 1, 2019) – After years of development and testing, a radiation detection system developed by the Department of Energy ‘s Savannah River National Laboratory is now in full-scale operation at major United States shipping ports. In 2018,…
Chemists observe ‘spooky’ quantum tunneling
Extremely large electric fields can prevent umbrella-shaped ammonia molecules from inverting.
Science: Sensing magnetism in atomic resolution with just a scanning tunneling microscope
Researchers use single molecule on microscope tip as a sensor to detect magnetic moments with unprecedented spatial resolution
2D antimony holds promise for post-silicon electronics
Engineers at The University of Texas at Austin find new material for manufacturing even smaller computer chips to replace silicon.
SRNL radiation detection systems operating at ports of Tacoma and NY/NJ
AIKEN, S.C. (Nov. 1, 2019) – After years of development and testing, a radiation detection system developed by the Department of Energy ‘s Savannah River National Laboratory is now in full-scale operation at major United States shipping ports. In 2018,…
Scientists probe the limits of ice
Coexistence of ice and liquid water breaks down at the nanoscale
Elusive cancer-related protein captured in flight
Scientists have for the first time seen how the MYC protein, which plays a central role in cancer, binds to a key protein and controls important functions in the cell. The study, published in Nature Structural and Molecular Biology ,…
Science: Sensing magnetism in atomic resolution with just a scanning tunneling microscope
Researchers use single molecule on microscope tip as a sensor to detect magnetic moments with unprecedented spatial resolution
Chemists observe ‘spooky’ quantum tunneling
Extremely large electric fields can prevent umbrella-shaped ammonia molecules from inverting.
Elusive cancer-related protein captured in flight
Scientists have for the first time seen how the MYC protein, which plays a central role in cancer, binds to a key protein and controls important functions in the cell. The study, published in Nature Structural and Molecular Biology ,…
Chemists observe ‘spooky’ quantum tunneling
Extremely large electric fields can prevent umbrella-shaped ammonia molecules from inverting.
Scientists spy unstable semiconductors
New observations using state-of-the-art techniques could help to build better electronics in smartphones, GPS and satellites
2D antimony holds promise for post-silicon electronics
Engineers at The University of Texas at Austin find new material for manufacturing even smaller computer chips to replace silicon.
Scientists probe the limits of ice
Coexistence of ice and liquid water breaks down at the nanoscale
SRNL radiation detection systems operating at ports of Tacoma and NY/NJ
AIKEN, S.C. (Nov. 1, 2019) – After years of development and testing, a radiation detection system developed by the Department of Energy ‘s Savannah River National Laboratory is now in full-scale operation at major United States shipping ports. In 2018,…
Science: Sensing magnetism in atomic resolution with just a scanning tunneling microscope
Researchers use single molecule on microscope tip as a sensor to detect magnetic moments with unprecedented spatial resolution
2D antimony holds promise for post-silicon electronics
Engineers at The University of Texas at Austin find new material for manufacturing even smaller computer chips to replace silicon.
FEFU and FEB RAS scientists are close to Integrate Silicon Electronics and Spintronics
They developed nanoheterostructure which can be used as a source of spin-polarized electrons for the semiconductor silicon substrate
American Physical Society invites Fort Lauderdale to discover plasma
Free hands-on science events offered to teachers, students and the public
Researchers watch quantum knots untie
After first reporting the existence of quantum knots, Aalto University & Amherst College researchers now report how the knots behave
JILA team demonstrates model system for distribution of more accurate time signals
JILA physicists and collaborators have demonstrated the first next-generation “time scale” — a system that incorporates data from multiple atomic clocks to produce a single highly accurate timekeeping signal for distribution. The JILA time scale outperforms the best existing hubs…
A new stable form of plutonium discovered at the ESRF
An international team of scientists, led by the Helmholtz Zentrum Dresden-Rossendorf (HZDR), have found a new compound of plutonium with an unexpected, pentavalent oxidation state, using the ESRF, the European Synchrotron, Grenoble, France. This new phase of plutonium is solid…
Weaving quantum processors out of laser light
Researchers open a new avenue to quantum computing with a breakthrough experiment: a large-scale quantum processor made entirely of light
Figuring out Alzheimer’s
One of the tasks of the scientists work is to explain how the world functions. Their research ideas often seem being unrealistic but, as it turns out, their research may truly help a great many of us. This is the…
Ultrafast particle interactions could help make quantum information devices feasible
Research presents the detection of energy transfer from excited electrons to the crystal lattice on the femtosecond timescale. Knowledge could contribute to the development of materials that prolong the coherence time
Kazan University and French National Research Agency to work on gas diffusion
The grant is financed by the Russian Science Foundation
Chains of atoms move at lightning speed inside metals
Superioniclike diffusion in an elemental crystal: Bcc titanium
Airborne chemicals instantly identified using new technology developed at NTU Singapore
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a device that can identify a wide range of airborne gases and chemicals instantly. The new prototype device is portable and suitable for rapid deployment by agencies to identify airborne…
ERC Synergy Grant: 12 million euros for research into ‘magic’ 3D nanostructures
The physicists Prof. Rafal Dunin-Borkowski and Prof. Stefan Blügel from Forschungszentrum Jülich have successfully obtained a Synergy Grant from the European Research Council (ERC). In the “3D MAGiC” project, together with Prof. Mathias Kläui from the University of Mainz and…
Kent State researcher and professor elected to the European Academy of Sciences
Quan Li, Ph.D., Senior Research Fellow in Kent State’s Advanced Materials and Liquid Crystal Institute, joins the prestigious Brussels-based organization that has about 660 members from 45 nations, including 65 Nobel Prize and Fields Medal winners. The European Academy of…
Masashi Watanabe elected to inaugural class of Microanalysis Society Fellows
Professional association honors electron microscopy expert and Lehigh University materials science and engineering professor for outstanding leadership and innovation
Modelling ion beam therapy
Recent analysis shows precisely how beams of charged particles transfer their energy to water, which has important implications for how these beams are targeted in ion beam cancer therapy.
Columbia receives $2 million in federal push to advance quantum research
Research team’s project to extend the excited lifetime of atoms could pave the way for new quantum applications and devices
Creating a single phonon in ambient conditions
We call a crystal lattice. The structure of this lattice determines most mechanical and thermal properties of the bulk solid. However, the atoms within the lattice are not still but instead vibrate around their central position. This movement is generally…
Forward or backward? New pathways for protons in water or methanol
A collaborative ultrafast spectroscopy and ab initio molecular dynamics simulations study shows that proton vacancies in the form of hydroxide/methoxide ions are as relevant for proton transfer between acids and bases as hydrated excess protons (H3O+, H5O2+), thus pointing for…
A simple way to control swarming molecular machines
The swarming behavior of about 100 million molecular machines can be controlled by applying simple mechanical stimuli such as extension and contraction. This method could lead to the development of new swarming molecular machines and small energy-saving devices. The swarming…
A close up on the real world — atomic migration under ambient conditions
Researchers from Osaka University take a closer look at electrostatically driven reactions at metal surfaces under atmospheric conditions