Articles tagged with Bilayers
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Japanese researchers have developed a new method to build large areas of semiconductive material just two molecules thick. The films function as thin film transistors with potential applications in flexible electronics or chemical detectors. Researchers used geometric frustration, a molecular shape that makes it difficult for molecules...
Fossil insects from Jurassic and mid-Cretaceous periods exhibit structural colors due to wavelength-selective scattering of light. The discovery provides insight into the evolution of lepidopteran scales and their optical properties.
Scientists from Harvard SEAS develop a technique to grow any target shape from any starting shape using a bilayer of elastic materials. The researchers demonstrate the system by modeling the growth of various shapes, including a flower petal and the face of Max Planck.
Researchers at Columbia University have observed the even-denominator fractional quantum Hall state in bilayer graphene, surviving to much higher temperatures than previously thought. This discovery opens the door to new experimental tools and may finally solve the mystery of this phenomenon.
Researchers at University of Science and Technology of China have developed a new type of synthetic antiferromagnet with correlated oxide multilayers, overcoming the 'dead layer' effect that hindered previous progress. The team achieved layer-resolved magnetic switching in La2/3Ca1/3MnO3/CaRu1/2Ti1/2O3/NdGaO3 multilayers.
Research by Tufts University chemist Mary Jane Shultz sheds new light on snowflake formation. The study reveals that flat sides of a snowflake consist of a bilayer structure, contradicting previous theories.
Scientists at IBS discover a platform to functionalize SLG and BLG, enabling the creation of 2D materials with new characteristics. Functionalized graphene can be applied to various devices, such as sensors and supercapacitors.
Researchers discovered that small hydrophobic nanoparticles can insert into lipid membranes but superhydrophobic ones can escape spontaneously. This finding may lead to revised security norms for nanomaterials and raises concerns about public health and environmental toxicity.
Researchers at Saarland University develop artificial cell-like spheres from natural proteins, forming stable bilayers in both aqueous and oily environments. These structures can be used for targeted drug delivery, allowing charged particles to pass through the bilayer in a manner identical to natural cells.
Scientists at the University of California - San Diego designed a device that harnesses light to manipulate its mechanical properties. The device oscillates indefinitely using energy absorbed from light, enabling new applications in GPS, computers, and other devices.
University of Alabama at Birmingham researchers are developing a way to wrap insulin-producing cell-clusters from pigs in a thin protective coating to prevent immune rejection. The goal is to transplant these cells into humans to treat Type 1 diabetes, with promising results in preclinical work.
A team of researchers has successfully developed a device that can control the momentum of electrons in graphene, opening up new possibilities for low-power electronics. The device uses bilayer graphene and can create metallic wires with colored electrons that travel unhindered along the wires with minimal resistance.
A new compact emitter has been developed to generate light across the entire terahertz spectrum, making it suitable for analyzing organic materials in the food industry. The innovation could lead to more efficient and cost-effective inspections of food and pharmaceuticals.
Scientists have developed a new type of graphene-based transistor that enables record low power consumption and high clock speeds. The device uses bilayer graphene, which exhibits a unique electronic structure allowing for efficient tunneling switches.
Researchers used low-frequency Raman spectroscopy to decipher stacking patterns in 2D materials, revealing unique effects of vibrations between layers. The study provides a platform for engineering materials with optical and electronic properties strongly dependent on stacking configurations.
Electrons with 'no mass' in graphene become superconducting at 4 K, paving the way for ultrahigh-speed nano devices. The superconductivity is driven by electron transfer from calcium atoms to graphene sheets.
Researchers at UCSB have developed a novel device that enables real-time observation of the forces involved in cell membrane hemifusion. By combining the Surface Forces Apparatus and fluorescence microscopy, they were able to visualize the rearrangement of lipid domains during this process.
Berkeley Lab researchers have discovered topologically protected one-dimensional electron conducting channels at the domain walls of bilayer graphene. These conducting channels feature a ballistic length of about 400 nanometers at 4 kelvin, making them suitable for applications such as quantum computing.
Atzberger's research focuses on the intersection of math and science, exploring how proteins move within lipid bilayer membranes. He developed a statistical mechanics description that captures essential features of membrane-protein dynamics, allowing for simple yet reliable calculations and simulations.
Columbia researchers have observed the fractional quantum Hall effect in bilayer graphene, demonstrating a controllable phase transition by applying electric fields. The team's breakthrough allows for tuning of the charge density and identification of exotic non-abelian states with potential for quantum computation.
Researchers at UCSB demonstrate a rapid synthesis technique for large-area Bernal (or AB) stacked bilayer graphene films, exhibiting electron mobility as high as 3450 cm2/(V•s). The growth of high-quality and large-area bilayer graphene films is achieved with controlled stacking order required for low-power digital electronics.
The study used atomic force microscopy and surface forces apparatus to measure the strength of adhesion between healthy and diseased myelin bilayers. Researchers found that healthy myelin adsorbs proteins better, maintaining optimal insulation and nerve function.
Belgian scientists applied a particle physics analogy to describe exciton behaviour in two graphene layers, mimicking parallel worlds. The approach reveals swapping effects between layers under specific electromagnetic conditions, similar to brane theory predictions.
Researchers at Northwestern University have determined how to control bilayers' crystallization by altering the acidity of their surroundings. This discovery sheds light on cell function and could enable advances in drug delivery and bio-inspired technology.
Researchers have discovered a unique new twist to the story of graphene, which appears to solve a long-standing problem in device development. The twist creates a new electronic structure in bilayer graphene, leading to surprisingly strong changes in its properties.
Scientists have developed a new 'smart material' made from Scotch tape that can change shape in response to humidity and collect water samples. The innovation uses laser-machined fingers to capture droplets of water, making it ideal for environmental testing.
Detailed studies reveal an unusual bilayer lamellar structure in a top-performing organic photovoltaic material. This structure may contribute to the material's superior performance, offering clues for guiding the synthesis of new materials.
Ceramics researchers at Lehigh University have obtained unprecedented atomic-scale images of grain boundaries in metals, revealing a bilayer phase transition that weakens the material. This discovery paves the way for scientists to prevent liquid metal embrittlement by strengthening chemical bonds.
Researchers studied electronic properties of bilayer graphene, revealing unique effects due to electron-electron interactions. The material's quasiparticles exhibit chiral symmetry, making it an exciting material for electronic applications.
A team of researchers has uncovered a startling new feature of lanthanum strontium manganese oxide, which can change its stripes from fluctuating to static and back. At the right temperature, it switches from a metallic state to an insulator, exhibiting colossal conductivity changes.
Researchers at NIST have shown that two layers of graphene exhibit random patterns of alternating positive and negative charges due to substrate interactions. This discovery brings graphene closer to being used in practical electronic devices.
The researchers discovered that graphene's mobility and conductivity decrease significantly when more than one layer is present. However, even the reduced mobility is higher than in many conventional semiconductors, offering a potential solution by using substrates to 'siphon off' heat generated by electric current.
Researchers at Scripps Institute develop a novel technology that synthesizes complex cellular structures from simple starting materials, creating uniform cell-like compartments. The new process is highly efficient and customizable, revolutionizing the field of synthetic biology.
Researchers from Georgia Tech developed a new method to combine top-gate organic field-effect transistors with a bilayer gate insulator, allowing for stable operation in various environments. The transistor can be mass produced at lower temperatures and is compatible with plastic devices.
Researchers have successfully engineered a tunable bandgap in bilayer graphene, opening the way for nanoscale electronics and photonics. The breakthrough allows for precise control over the bandgap size and doping level, enabling new types of nanotransistors and nano-LEDs.
Scientists at the University of California, Berkeley, have created tunable semiconductors using bilayer graphene, which can change its bandgap and Fermi energy with an applied electric field. This breakthrough enables the creation of reconfigurable electronic devices, potentially holding millions of differently tuned devices.
Researchers at the University of Illinois discovered that macromolecules on the surface can modify the mobility of underlying lipids in phospholipid bilayers. The adsorption of larger polymers slows down lipid movement, while smaller ones have a minimal effect.
Researchers have developed a simpler design for x-ray detectors that offers 30 times better energy resolution than existing detectors, enabling more accurate identification of elements. The new design combines normal and superconducting metals into one layer, reducing fabrication steps and increasing sensor stability.
Researchers found that phase transition in bilayers causes substantial tearing, resulting in foam-like defects that affect device performance and long-term storage. The study's findings have significant implications for the development of supported bilayer-based materials and applications such as biosensors.