Current Liquid Crystal News and Events

Current Liquid Crystal News and Events, Liquid Crystal News Articles.
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The perfect recipe for efficient perovskite solar cells
A long-cherished dream of materials researchers is a solar cell that converts sunlight into electrical energy as efficiently as silicon, but that can be easily and inexpensively fabricated from abundant materials. Scientists at the Helmholtz-Zentrum Berlin have now come a step closer to achieving this. (2021-02-22)

Concept for a new storage medium
Physicists from Switzerland, Germany and Ukraine have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination. (2021-02-22)

The Milky Way may be swarming with planets with oceans and continents like here on Earth
According to a new study from the University of Copenhagen, Earth, Venus and Mars were created from small dust particles containing ice and carbon. The discovery opens up the possibility that the Milky Way may be filled with aquatic planets. (2021-02-22)

A salt solution for desalinating brine
Solar-powered brine crystallization could alleviate the environmental impacts of seawater desalination. (2021-02-21)

Researchers find evidence of protein folding at site of intracellular droplets
Researchers at the University of Notre Dame found that elevated concentrations of proteins within the droplets triggered a folding event, increasing the potential for protein aggregation -- or misfolding -- which has been linked to neurological diseases including Alzheimer's disease and amyotrophic lateral sclerosis (ALS). (2021-02-19)

RUDN University chemist used iodine to synthesize new chalcogenides
A chemist from RUDN University, working with a group of colleagues, synthesized three new chalcogenides (compounds that contain metals and elements from group 16 of the periodic table). The team suggested an unusual approach to synthesis that was based on iodine. (2021-02-19)

New crystalline ice form
Three years ago, chemists at the University of Innsbruck found evidence for the existence of a new variety of ice. Until then, 18 types of crystalline ice were known. The team led by Thomas Loerting now reports in Nature Communications on the elucidation of the crystal structure of ice XIX using neutron diffraction. (2021-02-18)

New method converts methane in natural gas to methanol at room temperature
Researchers at the University of Illinois Chicago have discovered a way to convert the methane in natural gas into liquid methanol at room temperature. (2021-02-18)

Upending complex crystal formation
PNNL researchers discover a new route to forming complex crystals. (2021-02-17)

Scientists manipulate magnets at the atomic scale
Fast and energy-efficient future data processing technologies are on the horizon after an international team of scientists successfully manipulated magnets at the atomic level. Physicist Dr Rostislav Mikhaylovskiy from Lancaster University said: ''With stalling efficiency trends of current technology, new scientific approaches are especially valuable. Our discovery of the atomically-driven ultrafast control of magnetism opens broad avenues for fast and energy-efficient future data processing technologies essential to keep up with our data hunger.'' (2021-02-12)

Liquid biopsy for colorectal cancer could guide therapy for tumors
A new study from Washington University School of Medicine in St. Louis demonstrates that a liquid biopsy examining blood or urine can help gauge the effectiveness of therapy for colorectal cancer that has just begun to spread beyond the original tumor. Such a biopsy can detect lingering disease and could serve as a guide for deciding whether a patient should undergo further treatments due to some tumor cells evading an initial attempt to eradicate the cancer. (2021-02-12)

Wafer-scale production of graphene-based photonic devices
Graphene Flagship researchers have devised a wafer-scale fabrication method that paves the way to the next generation of telecom and datacom devices. (2021-02-11)

Ionic liquid uniformly delivers chemotherapy to tumors while destroying cancerous tissue
A Mayo Clinic team, led by Rahmi Oklu, M.D., Ph.D., a vascular and interventional radiologist at Mayo Clinic, in collaboration with Samir Mitragotri, Ph.D., of Harvard University, report the development of a new ionic liquid formulation that killed cancer cells and allowed uniform distribution of a chemotherapy drug into liver tumors and other solid tumors in the lab. This discovery could solve a problem that has long plagued drug delivery to tumors. (2021-02-11)

Discovery of a new law of phase separation
Researchers at The University of Tokyo show that the dynamics of spontaneous phase separations forming network structures can be controlled by the slow dynamics in the networks formed. This work may lead to cheaper and more powerful rechargeable batteries. (2021-02-10)

Scientists create liquid crystals that look a lot like their solid counterparts
New kinds of liquid crystals developed at the University of Colorado Boulder resemble gypsum or lazulite crystals--except that they flow like fluids. (2021-02-10)

Samara Polytech chemists simplify crystal structures
Samara Polytech scientists have developed new methods of modelling the crystal structure of chemical substances, which makes it possible to obtain additional information about the object under study, unknown in the initial experimental data, and also to find regularities determining its structure and properties. (2021-02-09)

Porous materials unfavorable for coronavirus survival
As COVID-19 spreads via respiratory droplets, researchers have become increasingly interested in the drying of droplets on impermeable and porous surfaces; surfaces that accelerate evaporation can decelerate the spread of the virus. In Physics of Fluids, researchers show a droplet remains liquid for a much shorter time on a porous surface, making it less favorable to survival of the virus. On paper and cloth, the virus survived for only three hours and two days, respectively. (2021-02-09)

THz spectroscopy tracks electron solvation in photoionized water
''This work provides insights on the fundamental aspects of the charge transport process in water and lays a foundation for further understanding of the physicochemical properties and transient evolution of femtosecond-laser-pulse-excited plasma in water.'' (2021-02-09)

Scientists create armour for fragile quantum technology
An ANU-led international team has invented the equivalent of 'body armour' for extremely fragile quantum systems, which will make them robust enough to be used as the basis for a new generation of low-energy electronics. (2021-02-08)

Shuffling bubbles reveal how liquid foams evolve
Tokyo, Japan - Researchers from Tokyo Metropolitan University studied the dynamics of foams. When a drop of water was added to a foam raft, the bubbles rearranged themselves to reach a new stable state. The team found that bubble movement was qualitatively different depending on the range of bubble sizes present. Along with analogies with soft-jammed materials, these findings may inspire the design of new foam materials for industry. (2021-02-06)

New way to power up nanomaterials for electronic applications
UCLA materials scientists and colleagues have discovered that perovskites, a class of promising materials that could be used for low-cost, high-performance solar cells and LEDs, have a previously unutilized molecular component that can further tune the electronic property of perovskites. (2021-02-05)

Comb-like etching regulated growth for large-area graphene nanoribbon arrays
The low on/off current ratio in intrinsic graphene-based field-effect transistor has inspired the development of bandgap engineering, which contain tailoring graphene into narrow ribbons, doping graphene with heteroatom, and applying stress or vertical electric field. Graphene nanoribbons, which introduce a bandgap by confining charge carriers in lateral dimension, are a lead candidate for switching devices. Scientists in China developed an in-situ growth of graphene nanoribbon arrays on liquid metal without assistance of template. (2021-02-04)

Switching nanolight on and off
The report demonstrates a new method to control the flow of light of nanolight. Optical manipulation on the nanoscale, or nanophotonics, has become a critical area of interest as researchers seek ways to meet the increasing demand for technologies that go well beyond what is possible with conventional photonics and electronics. (2021-02-04)

Dynamic 3D printing process features a light-driven twist
The speed of light has come to 3D printing. Northwestern University engineers have developed a new method that uses light to improve 3D printing speed and precision while also, in combination with a high-precision robot arm, providing the freedom to move, rotate or dilate each layer as the structure is being built. The method introduces the 'on-the-fly' ability to manipulate the original design layer by layer and pivot the printing direction without recreating the model. (2021-02-03)

Why food sticks to nonstick frying pans
Foods will sometimes get stuck to a heated surface, even if oil or a nonstick frying pan is used. Scientists have investigated the fluid properties of oil on a flat surface and their work shows convection may be to blame. When the pan is heated from below, a temperature gradient is established in the oil film, as well as a surface tension gradient. This gradient sets up a type of convection known as thermocapillary convection. (2021-02-02)

Hydrogen-producing enzyme protects itself against oxygen
Hydrogen-producing enzymes are beacons of hope in biohydrogen research. However, they are so vulnerable to oxygen in the air that it has not been possible to exploit their potential on a larger scale. The recently discovered [FeFe]-hydrogenase CbA5H from the bacterium Clostridium beijerinckii resists the oxygen attack. (2021-02-02)

Research could dramatically lower cost of electron sources
Rice University engineers have discovered technology that could slash the cost of semiconductor electron sources, key components in devices ranging from night-vision goggles and low-light cameras to electron microscopes and particle accelerators. (2021-02-01)

Ural Federal University scientists discover ways to increase oil production efficiency
The study of the researchers of Ural Federal University Department of Technical Physics can make the oil production more efficient and anticipate consequences of environmental emergencies (2021-02-01)

Physicists have developed new material for water desalination
Titanium dioxide nanoparticles decorated by gold absorb about 96% of the solar spectrum and turn it into heat. The material can accelerate the evaporation in desalination plants up to 2.5 times and can track hazardous molecules and compounds. An international research team with representatives from Far Eastern Federal University (FEFU), ITMO University, and the Far Eastern Branch of the Russian Academy of Sciences, published a related article in ACS Applied Materials and Interfaces. (2021-02-01)

Skoltech imaging resources used in international experiment with new photocatalysts
Skoltech researchers helped their colleagues from Japan, Germany, the United States, and China study the crystal structure and optical properties of a new class of two-dimensional compounds, which can be used as effective visible-light-responsive photocatalysts for energy and chemical conversion. They used the Advanced Imaging Core Facility equipment for imaging and structural analysis. (2021-02-01)

High-speed holographic fluorescence microscopy system with submicron resolution
The National Institute of Information and Communications Technology (NICT), Tohoku University, Toin University of Yokohama, and Japan Science and Technology Agency (JST) have succeeded in developing a scanless high-speed holographic fluorescence microscopy system with submicron resolution for a 3D space. The system is based on digital holography. The developed microscopy system has an algorithm to acquire 3D information of fluorescent objects toward scanless 3D measurement in less than 1 millisecond. (2021-01-29)

Dewdrops on a spiderweb reveal the physics behind cell structures
Researchers in the laboratories of Princeton University scientists Joshua Shaevitz, Howard Stone, and Sabine Petry have discovered that surface tension drives the liquid-like protein TPX2 to form globules that nucleate the formation of branching microtubules during cell division. The paper detailing these discoveries appeared in the Jan 28 issue of the journal Nature Physics. (2021-01-29)

"Liquid" machine-learning system adapts to changing conditions
MIT researchers developed a neural network that learns on the job, not just during training. The ''liquid'' network varies its equations' parameters, enhancing its ability to analyze time series data. The advance could boost autonomous driving, medical diagnosis, and more. (2021-01-28)

Optical scanner design for adaptive driving beam systems can lead to safer night driving
In a recent study published in the Journal of Optical Microsystems, researchers from Japan have come up with an alternative to conventional adaptive driving beam systems: a microelectromechanical systems (MEMS) optical scanner that relies on the piezoelectric effect of electrically induced mechanical vibrations. (2021-01-27)

Beauty in imperfection: How crystal defects can help convert waste heat into electricity
Half-Heusler Ni-based alloys are thermoelectric materials with the potential for converting waste heat into electricity. However, the origin of their impressive conversion efficiency is not entirely clear. In a recent study, scientists from Japan and Turkey have attempted to uncover the role that Ni defects have in the crystal structure of these alloys and how their desirable thermoelectric properties are a consequence of small changes in strain around defective sites. (2021-01-26)

Targeted health messaging needed in era of vaping, researchers say
Health authorities should develop targeted health messages for vaping product and e-liquid packaging to encourage smokers to switch from cigarettes to e-cigarettes and to prevent non-smokers from taking up vaping, a researcher at the University of Otago, Wellington, New Zealand, says. (2021-01-26)

Microstructured optical fibers find their 3D-printed groove
Advanced laser-printing techniques prove ideal for creating tiny optical communication devices with complex internal structures. (2021-01-25)

SUTD research team extends 4D printing to nanophotonics
The newly developed shape memory polymer resist which allows for high-resolution 4D printing, promises a platform for information hiding for optical anti-counterfeiting and tunable photonic devices. (2021-01-22)

Crystal structures in super slow motion
Laser beams are used to change the properties of materials in an extremely precise way. However, the underlying processes generally take place at such unimaginably fast speeds and at such a small scale that they have so far eluded direct observation. Göttingen researchers have now managed to film, for the first time, the laser transformation of a crystal structure with nanometre resolution and in slow motion in an electron microscope. The results were published in Science. (2021-01-22)

A method for calculating optimal parameters of liquid chrystal displays developed at RUDN University
A professor from RUDN University together with his colleagues from Saratov Chernyshevsky State University and D. Mendeleev University of Chemical Technology of Russia developed a method for calculating the parameters of diffraction optical elements used in LCDs. In particular, the new technology can be used to expand the angle of view while preserving high resolution and color rendition. (2021-01-22)

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