Current Crystal structure News and Events

Current Crystal structure News and Events, Crystal structure News Articles.
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NIST AI system discovers new material
When the words ''artificial intelligence'' (AI) come to mind, your first thoughts may be of super-smart computers, or robots that perform tasks without needing any help from humans. Now, a multi-institutional team including researchers from the National Institute of Standards and Technology (NIST) has accomplished something not too far off: They developed an AI algorithm called CAMEO that discovered a potentially useful new material without requiring additional training from scientists. (2020-11-24)

Defined blockade
The addition and removal of methyl groups on DNA plays an important role in gene regulation. In order to study these mechanisms more precisely, a German team has developed a new method by which specific methylation sites can be blocked and then unblocked at a precise time through irradiation with light (photocaging). As reported in the journal Angewandte Chemie, the required regent is produced enzymatically, in situ. (2020-11-24)

Using strain to control oxynitride properties
Japanese scientists have stumbled onto a simple method for controlling the introduction of defects, called 'vacancy layers', into perovskite oxynitrides, leading to changes in their physical properties. The approach, published in the journal Nature Communications, could help in the development of photocatalysts. (2020-11-23)

A new beat in quantum matter
Oscillatory behaviors are ubiquitous in Nature, ranging from the orbits of planets to the periodic motion of a swing. In pure crystalline systems, presenting a perfect spatially-periodic structure, the fundamental laws of quantum physics predict a remarkable and counter-intuitive oscillatory behavior: when subjected to a weak electric force, the electrons in the material do not undergo a net drift, but rather oscillate in space, a phenomenon known as Bloch oscillations. (2020-11-23)

Staying ahead of the curve with 3D curved graphene
A team of researchers has amplified 3D graphene's electrical properties by controlling its curvature. (2020-11-20)

New insights into memristive devices by combining incipient ferroelectrics and graphene
Scientists are working to create neuromorphic computers, with a design based on the human brain. A crucial component is a memristive device, the resistance of which depends on the history of the device - just like the response of our neurons depends on previous input. Materials scientists from the University of Groningen analysed the behaviour of strontium titanium oxide, a platform material for memristor research and used the 2D material graphene to probe it. (2020-11-20)

Scientists age quantum dots in a test tube
Researchers from MIPT and the RAS Institute of Problems of Chemical Physics have proposed a simple and convenient way to obtain arbitrarily sized quantum dots required for physical experiments via chemical aging. (2020-11-19)

Researchers recognize a viral protein's M.O. by just 3% of its size
Skoltech researchers and their colleagues from Russia, the US, and Sweden have described an unusual RNA polymerase that helps a poorly studied crAss-like bacteriophage transcribe its genes. They ''caught'' this enzyme by a tiny -- less than 3% of its size -- portion of the amino acid sequence that was similar to other RNA polymerases. (2020-11-18)

Metal-organic frameworks become flexible
Materials consisting of inorganic and organic components can combine the best of two worlds: under certain circumstances, the so-called MOFs - short for metal-organic frameworks - are structured in the same order as crystals and are at the same time porous and deformable. This opens up the prospect of intelligent materials for energy-saving technical applications. However, so far only a few flexible MOFs have been identified. (2020-11-17)

Cellular powerplant recycles waste gases
Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of life. At the same time, they might be useful for the future as they can be used to clean waste gases and produce biofuels. Scientists from the Max Planck Institute for Marine Microbiology in Bremen have now made a surprising discovery. (2020-11-16)

Scientists discover a new mineral
The research team headed by Stanislav Filatov, Professor at the Department of Crystallography at St Petersburg University, has discovered a new mineral species in Kamchatka - petrovite. The scientists named the find in honour of Tomas Petrov, an outstanding crystallographer and Professor at St Petersburg University. He together with his students Arkady Glikin and Sergei Moshkin, was the first in the world to create a technology for growing jewellery malachite. (2020-11-16)

Success in controlling perovskite ions' composition paves the way for device applications
Hybrid organic-inorganic perovskites have received much attention as potential next generation solar cells and as materials for light-emitting devices. Kobe University's Associate Professor TACHIKAWA Takashi (of the Molecular Photoscience Research Center) and Dr. KARIMATA Izuru (previously a graduate student engaged in research at the Graduate School of Science) have succeeded in completely substituting the halide ions of perovskite nanocrystals while maintaining their morphology and light-emitting efficiency. (2020-11-13)

Order from chaos
Engineers from Kyoto Universityg have developed a new beam scanning device utilizing photonic crystals, eliminating the use of mechanical mirrors. The team found that modulating the shape and position of the lattice allows the laser beam to be emitted in a unique direction, opening the door for compact multi-directional beam scanner technology. (2020-11-13)

Sussex research points to new effective breast cancer treatment
An international five-year study led by scientists at the University of Sussex has provided strong evidence for an effective new target for breast cancer treatment. The study, The structure-function relationship of oncogenic LMTK3 being published in Science Advances, involved researchers from seven institutions across three countries including the UKs Diamond Light Source. It suggests LMTK3 inhibitors could be effectively used for treatment of breast cancer, and potentially other types of cancer such as lung, stomach, thyroid and bladder cancer patients (2020-11-13)

Time for a new state of matter in high-temperature superconductors
Scientists from Universit├Ąt Hamburg have pointed out how to create a time crystal in an intriguing class of materials, the high-temperature superconductors. They propose to drive these superconducting materials into a time crystalline state by inducing Higgs excitations via light. The work is reported in the journal Physical Review Research. (2020-11-12)

Environmentally friendly method could lower costs to recycle lithium-ion batteries
A new process for restoring spent cathodes to mint condition could make it more economical to recycle lithium-ion batteries. The process, developed by nanoengineers at the University of California San Diego, is more environmentally friendly than today's methods; it uses greener ingredients, consumes 80 to 90% less energy, and emits about 75% less greenhouse gases. (2020-11-12)

Skoltech scientists developed a novel bone implant manufacturing method
Scientists from the Skoltech Center for Design, Manufacturing, and Materials (CDMM) have developed a method for designing and manufacturing complex-shaped ceramic bone implants with a controllable porous structure, which largely enhances tissue fusion efficiency. Specimens of designed ceramic implants were fabricated at a 3D printer. This method enables changing the porous structure so as to produce implants of different densities to accommodate the patients' individual needs. (2020-11-12)

Researchers make key advance for printing circuitry on wearable fabrics
Electronic shirts that keep the wearer comfortably warm or cool, as well as medical fabrics that deliver drugs, monitor the condition of a wound and perform other tasks, may one day be manufactured more efficiently thanks to a key research advance. (2020-11-12)

Identifying the microscopic mechanism of vibrational energy harvesters
The Japanese research team elucidated the microscopic mechanism in which amorphous silica becomes negatively charged as a vibrational energy harvester, which is anticipated to achieve self-power generation without charging, as it is needed for IoT that is garnering attention in recent years with its 'trillion sensors' that create a large-scale network of sensors. Unlike wind power and solar power generation, vibrational power generation, which utilizes natural vibration for power generation, is not affected by weather. (2020-11-11)

Electrochemical oxygen evolution on Hf2B2Ir5 electrode material
Electrochemical oxygen evolution on Hf2B2Ir5 electrode material. (2020-11-11)

Turning heat into power with efficient organic thermoelectric material
Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international team led by Jan Anton Koster, Professor of Semiconductor Physics at the University of Groningen, has now produced an n-type organic semiconductor with superior properties that brings these applications a big step closer. Their results were published in the journal Nature Communications. (2020-11-11)

Researchers trap electrons to create elusive crystal
Now, a Cornell-led collaboration has developed a way to stack two-dimensional semiconductors and trap electrons in a repeating pattern that forms a specific and long-hypothesized crystal. (2020-11-11)

Getting single-crystal diamond ready for electronics
Researchers from Osaka University and collaborating partners polished single-crystal diamond to near-atomic smoothness without damaging it. This will improve the performance and sustainability of future electronics. (2020-11-10)

CrystEngComm celebrates the CSD in a special issue
The journal CrystEngComm has published a special issue to mark the Cambridge Structural Database (CSD) reaching 1 million structures, with 33 papers that highlight the breadth of applications made possible with this data. (2020-11-10)

Clemson researchers decode thermal conductivity with light
Clemson researchers examine a highly efficient thermoelectric material in a new way - by using light. (2020-11-09)

Peering under the "hood" of SARS-CoV-2
Microscope and protein data are incorporated into an easy-to-use-and-update tool that can model an organism's 3D appearance. (2020-11-08)

Tough, strong and heat-endure: Bioinspired material to oust plastics
Being tougher, stronger and more adaptive to heat, a new bioinspired material is here to overtake petroleum-based plastics, thanks to researchers' work on an easy and scalable manufacture method. (2020-11-08)

Anti-hacking based on the circular polarization direction of light
The Internet of Things (IoT) allowing smart phones, home appliances, drones and self-driving vehicles to exchange digital information in real time requires a powerful security solution, as it can have a direct impact on user safety and assets. A solution for IoT security that has been is a physical unclonable function (PUF) that can supplement software-based key security vulnerable to various attack or physical attack. (2020-11-06)

Perspectives of infrared spectroscopy in quantitative estimation of proteins
The present review describes the basic principle and the instrumentation of IR spectroscopy along with its advancements. Beyond this, various applications of this technique in determination of protein structure and quantification in different materials such as foods stuffs, biotechnological products and biological fluids have also been summarized. (2020-11-06)

Crystals reveal the danger of sleeping volcanoes
Most active volcanoes on Earth are dormant and are normally not considered hazardous. A team of volcanologists from the University of Geneva has devised a technique that can predict their devastating potential. The scientists used zircon, a tiny crystal contained in volcanic rocks, to estimate the volume of magma that could be erupted once Nevado de Toluca volcano (Mexico) will wake up from its dormancy. Up to 350 km3 of magma are currently lying below. (2020-11-05)

New multiscale view of the human brain
Researchers from University of Barcelona study how multilayers that form the human brain interact at different resolutions (2020-11-04)

RUDN University chemists developed new magnetic and luminescent lanthanide-siloxane-based compounds
A team of chemists from RUDN University synthesized new organosilicon compounds containing terbium and europium ions. These complexes have an unusual cage-like crystal structure that contains four metal ions. The team was the first to study the magnetic and photophysical properties of such compounds and to observe their magnetic phase transition and luminescence properties. (2020-11-03)

New mineral discovered in moon meteorite
The high-pressure mineral Donwilhelmsite, recently discovered in the lunar meteorite Oued Awlitis 001 from Apollo missions, is important for understanding the inner structure of the earth. (2020-11-03)

Devil in the defect detail of quantum emissions unravelled
Emerging quantum technologies require a means to transmit quantum information effectively requiring new ways to reliably encode, transmit and detect quantum properties on individual particles of light, or photons. An international collaboration, led by the University of Technology Sydney, investigating the chemical structure of crystal imperfections, or defects, in the nanomaterial hexagonal boron nitride (hBN) have definitively linked the defect structure to carbon impurities introduced into the hBN lattice. The discovery enables a better understanding of the properties of these quantum light sources. (2020-11-02)

A new method to measure optical absorption in semiconductor crystals
Tohoku University researchers have revealed more details about omnidirectional photoluminescence (ODPL) spectroscopy - a method for probing semiconducting crystals with light to detect defects and impurities. (2020-10-29)

Computer vision helps find binding sites in drug targets
Scientists from the iMolecule group at Skoltech developed BiteNet, a machine learning (ML) algorithm that helps find drug binding sites, i.e. potential drug targets, in proteins. BiteNet can analyze 1,000 protein structures in 1.5 minutes and find optimal spots for drug molecules to attach. (2020-10-27)

Crystal structure of SARS-CoV-2 papain-like protease
The pandemic of coronavirus disease 2019 (COVID-19) is changing the world like never before. This crisis is unlikely contained in the absence of effective therapeutics or vaccine. The papain-like protease (PLpro) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) plays essential roles in virus replication and immune evasion, presenting a promising drug target. (2020-10-27)

Powering the future: new insights into how alkali-metal doped flexible solar cells work
A group of scientists from Korea has discovered that the amount of alkali metal introduced into crystals of flexible thin-film solar cells influences the path that charge carriers take to traverse between electrodes, thereby affecting the light-to-electricity conversion efficiency of the solar cell. Given the immense application potential that such solar cells have today, this finding could be key to ushering in a green future. (2020-10-26)

Odds are good for unique 2D compound
Rice University engineers make 2D materials for valleytronics, a platform for information processing and storage that relies on the manipulation of electrons' positions in energetic 'valleys.' (2020-10-26)

FSU researchers investigate material properties for longer-lasting, more efficient solar cells
FSU researchers are helping to understand the fundamental processes in a material known as perovskites, work that could lead to more efficient solar cells that also do a better job of resisting degradation. (2020-10-26)

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