Articles tagged with Semiconductors
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers at Berkeley Lab have observed piezoelectricity in a free-standing single layer of molybdenum disulfide, a potential successor to silicon. The discovery has the potential to lead to tunable piezo-materials and devices for extremely small force generation and sensing.
Researchers from Leibniz University Hannover and PTB have successfully demonstrated the on-demand emission of electron pairs from a semiconductor quantum dot. The resulting electron pairs were found to be spatially separated with over 90% efficiency, a crucial step towards future applications such as quantum computing and cryptography.
Researchers at North Carolina State University have developed a new transfer technique for atomic-layer semiconducting thin films, allowing for faster and damage-free transfer onto flexible substrates. The technique uses room-temperature water, a tissue, and tweezers to transfer MoS2 films up to 5 centimeters in diameter.
Researchers designed microwave circuits that can transmit high-frequency signals with sufficient power, paving the way for faster wireless data transmission. They aim to demonstrate 100 Gigabit per second wireless data transfer within a few years.
The NSF/SRC STARSS program aims to reduce the likelihood of unintended behavior in semiconductors. Researchers will focus on strategies and tools for authentication throughout the supply chain and in the field.
Researchers have discovered a way to control the properties of quantum dots by using ultrathin layers of metal oxides. This new approach makes quantum dots glow brighter and enhances their emission efficiency, which is crucial for applications such as sensors, light-emitting diodes, and solar cells.
A hybrid form of perovskite has been used to make high-brightness LEDs with a simple and scalable process, potentially replacing conventional methods. The results could provide a lot of value to the flat-panel display industry.
Researchers have developed a new ultrafast imaging technique using multi-wavelength lasers to overcome the limitations of traditional imaging systems. This breakthrough enables real-time optical imaging with high resolution and fast frame rates.
Scientists have designed a new material that could enable superconductivity at temperatures rivaling those seen in cuprates, potentially paving the way for more practical applications. The proposed design features layers of semiconductor compounds separated by insulator spacers, which would create indirect excitons that become superflu...
Scientists successfully integrated compound semiconductor crystals made of indium arsenide into silicon nanowires, overcoming a major obstacle in chip technology. The production method, which involves ion implantation and heat treatment, enables the creation of 'hetero-nanowires' with improved performance.
Researchers developed an ab initio method to study hot carriers in semiconductors, providing data for hot carrier dynamics in silicon and other materials. The method found that thermalization under solar illumination is completed within 350 femtoseconds, dominated by phonon emission from hot carriers.
Researchers at TUM and UT Austin developed nonlinear mirrors that reflect frequency-doubled output using input light intensity as small as a laser pointer. The new materials produce approximately one million times higher intensity of frequency-doubled output compared to traditional materials.
Gila Stein, a University of Houston chemical engineer, received an NSF grant to build models explaining lithography systems used for device fabrication. Her research focuses on chemically amplified resists, which are crucial for patterning semiconductor devices in smaller sizes.
Researchers at JCAP devise a method to protect common semiconductors like silicon and gallium arsenide from corrosion in solar-fuel generators. They use a process called atomic layer deposition to form a protective layer of titanium dioxide, allowing the materials to absorb light efficiently while preventing corrosion.
A team of chemists at UC Riverside proposes a new model explaining the promoting effect in photocatalysis, suggesting that excited electrons promote hydrogen reduction on the semiconductor surface rather than transferring to metals. This radical approach could lead to the development of more economical and efficient photocatalysts.
Researchers have made breakthroughs in developing flexible and stretchable electronic materials that can conform to non-planar surfaces without wrinkling. These materials have potential applications in energy harvesting, biomedical devices, wearable electronics, and consumer electronics.
Researchers have demonstrated that the distribution of dopants in semiconductor nanocrystals is crucial for controlling optical properties. By probing electron distribution using x-ray photoelectron spectroscopy, they found that surface-doped samples exhibit reduced activation of dopants and symmetric plasmon resonances.
Researchers at the University of Illinois developed multilayer, microscale solar cells that can operate across the entire solar spectrum at exceptionally high efficiency. The technology enables quadruple-junction four-terminal solar cells with individually measured efficiencies of 43.9 percent.
Researchers have discovered a way to use existing semiconductors to detect a wider range of light, including infrared. This technology allows for improved detectors and solar cells that can absorb infrared light.
Researchers in China have developed a convenient way to selectively prepare germanium sulfide nanostructures, including nanosheets and nanowires. These nanostructures show outstanding photoresponsive behavior, indicating their potential use in solar energy conversion systems and optoelectronics.
Researchers discovered a unique new two-dimensional semiconductor, rhenium disulfide, with direct-bandgap properties. The material's weak interlayer coupling makes it ideal for studying 2D physics and applications in tribology, solar cells, and valleytronics.
Researchers at North Carolina State University discovered that altering the surface characteristics of a semiconductor material can significantly impact how neural cells grow. The study used gallium nitride and PC12 cells to mimic neural behavior, finding varying degrees of cell adhesion and growth on different textured surfaces.
University of Washington researchers develop two-dimensional, flexible semiconductors to build the thinnest-known LED, only three atoms thick yet mechanically strong. The LED can be used in a wide range of applications, including lighting and optical communication, offering high energy efficiency and miniaturization possibilities.
Researchers at the University of Cincinnati have developed a new method of light-matter interaction analysis, which appears to be a good way of helping make better semiconductor nanowires. The technique uses Rayleigh scattering to probe band structures and electron-hole dynamics in single indium phosphide nanowires.
Researchers at NC State University developed a 'superabsorbing' design that improves light absorption efficiency of thin film solar cells by decreasing semiconductor material thickness. The design, which looks like an onion, can absorb up to 90% of available solar energy using just a 10nm thick layer of amorphous silicon.
Researchers at JILA discovered a new quasiparticle, called a 'quantum droplet', which has both quantum and liquid-like characteristics. The droplets are stable enough for future studies on interactions between light and highly correlated states of matter.
A team of researchers from the University at Buffalo and two Chinese universities has developed an optical nanocavity that boosts the amount of light ultrathin semiconductors absorb. The advancement could lead to more powerful photovoltaic cells, faster video cameras, and potentially aid in developing hydrogen fuel.
Researchers at University of Wisconsin-Madison developed new, oxide-based materials to split water into hydrogen and oxygen gases using solar energy. The dual-layer catalyst design enabled a record high efficiency of 1.7%, making it possible to produce fuel at a price competitive with gasoline.
Researchers discovered a novel solid-state reaction that lets kesterite grains grow within seconds and at low temperatures. This process can produce near-micrometer-sized crystal grains suitable for thin film solar cells.
Researchers used a dual-electrode photoelectrochemistry method to study the flow of electrons at semiconductor-electrocatalyst junctions. They found that thin layers of ion-porous electrocatalyst material work best, reducing energy loss associated with the catalyst-semiconductor interface.
Researchers have discovered a novel liquid that can dissolve nine types of key semiconductors at room temperature and normal air pressure. The finding holds promise for improving electronic applications such as solar cells by creating low-cost, semiconducting thin films.
Physicists at the University of Basel have developed a quantum-classical hybrid system to stabilize the wavelength of photons emitted by a semiconductor, removing charge noise and enabling a stable single-photon source. This breakthrough could lead to improvements in semiconductor-based spin qubits and quantum communication.
Ben Mazin's superconducting detector array measures individual photon energy, allowing for higher per-pixel performance and improved time resolution. The ARray Camera for Optical to Near-infrared Spectrophotometry (ARCONS) instrument enables megapixel arrays within a decade.
Researchers at the University of Illinois developed nano-antennas that can detect molecules resonating in the infrared spectrum. The antennas concentrate long-wavelength light into ultra-subwavelength volumes, enhancing detection of small materials with standard IR spectrometers.
Researchers at Stanford University have created a theoretical framework to understand and predict the conductive properties of polymeric semiconductors. Their model reveals that the entangled structure of polymers, which allows them to bend, also impedes their ability to conduct electricity.
Researchers at Washington University in St. Louis have created a new class of materials that change their electronic properties when exposed to light. The composite material combines gold nanorods and zinc oxide, leading to improved performance in solar cells and potential applications for sensitive sensors.
Researchers at the Joint Center for Artificial Photosynthesis have developed a method to interface molecular hydrogen-producing catalysts with a semiconductor that absorbs visible light. This breakthrough enables the production of hydrogen fuel from sunlight without external electrical potential.
Researchers have discovered a quantum unit of photon absorption, dubbed 'AQ', that is general to all 2D semiconductors. This discovery could lead to exotic new optoelectronic and photonic technologies.
Researchers have created a more systematic approach to synthesizing quantum dots, enabling the purification of semiconductor nanocrystals with uniform surface properties. The new method uses gel-permeation chromatography and has been shown to produce quantum dots with improved stability and reactivity.
Researchers developed a single-pixel imaging technique using coded apertures to quickly manipulate THz waves, producing high-fidelity images in seconds. The technique has the potential to revolutionize areas like chemical fingerprinting, security imaging, and real-time skin cancer detection.
Researchers at UNIST demonstrated a novel method for epitaxially synthesizing uniform and homogeneous III-V semiconductor nanowires on Si wafers. The high quality of the nanowires was achieved without using metal catalysts, opening up new possibilities for opto-electronic devices.
A joint NSF/SRC program supports 29 researchers at 18 US universities to develop self-corrective electronic systems. The funding aims to ensure system reliability in life-critical applications, such as pacemakers and autonomous vehicles.
Researchers used a microwave oven to produce a nanocrystal semiconductor for more efficient photovoltaic solar cells and LED lights, biological sensors, and systems to convert waste heat to electricity. The method produces the material quickly and uses less toxic metals than other semiconductors.
A team at NIST has developed a simple and cost-effective way to separate metallic from semiconducting carbon nanotubes, paving the way for high-purity samples in electronics applications. The method uses liquid extraction with subtle differences in polymer hydrophobicity, yielding high-resolution results.
Researchers at University of Cincinnati have made a groundbreaking discovery in semiconductor nanowires, opening doors to better ways of harnessing solar energy and improving air quality sensors. The new structure has unique properties that could lead to advances in photovoltaic cells and stronger security measures.
Researchers at the University of Illinois have developed a new technique to measure nanometer-scale infrared absorption in semiconductor plasmonic microparticles. This allows for direct observation of plasmonic behavior within microparticle infrared antennas, enabling confirmation of theoretical models and design parameters.
Clint Frye, a Kansas State University doctoral student in chemical engineering, has been named the university's first Lawrence scholar. As a scholar, he will spend four years conducting collaborative research at the Lawrence Livermore National Laboratory and performing related research on semiconductors at K-State.
Researchers at Polytechnique Montréal and international partners create a new method for self-doping nanowires, allowing for precise control of electronic properties. This breakthrough enables the development of novel nanoscale devices with tailored shape and composition.
Researchers at UCSB create novel way to convert sunlight into energy using gold nanorods and platinum nanoparticles, avoiding common semiconductor material limitations. This new process shows promise for efficient and cost-effective solar power generation.
Researchers at TUM developed a cost-effective process to improve CMOS sensor performance using ultra-thin organic films. Spray-coating was found to be the most effective method, resulting in up to three times more sensitivity to light than conventional sensors.
Researchers from Lund University have made a significant breakthrough in solar cell technology, demonstrating the potential for nanowires to produce 13.8% efficient energy. The nanowire solar cells can absorb sunlight more efficiently than traditional silicon cells, offering higher efficiency at a lower cost.
Researchers developed a new optical technique to monitor and control nanoscale topography during semiconductor etching. This allows for precise control over the dimensions of devices, improving performance, speed, error rate, and time to failure.
Researchers at Oregon State University are developing a photosynthetic biorefinery to produce affordable products from diatoms. They aim to create a facility that can simultaneously produce semiconductors, biomedical products and biofuels using cheap materials like silicon and nitrates.
Researchers at the University of Toronto have successfully induced high-temperature superconductivity in a semiconductor by placing it in proximity to a topological insulator using Scotch poster tape. This breakthrough could lead to advancements in quantum computing and improvements in energy efficiency.
Researchers at NTNU have patented a method to grow semiconductor nanowires on graphene, offering excellent optoelectronic properties. This technology has the potential to enable new types of device systems, including solar cells and self-powered nanomachines, with large market potential.
Researchers at MIT have developed a new process to create defect-free patterns of nanocrystal films with nanoscale resolution, enabling applications in electronic devices, solar cells, and biosensors. The electrical conductivity of the films is roughly 180 times greater than that of conventional methods.
Researchers develop electrotactile stimulation devices that can respond to touch and finger movement, paving the way for smart surgical gloves. The devices could enable precise local ablations and ultrasound scans with unprecedented accuracy.
The new SFPV technology allows for the creation of high-quality p-n junctions in semiconductors that are difficult to dope by conventional chemical methods. Researchers demonstrate the effect in configurations using copper oxide and silicon, achieving stable electrically contacted p-n junctions.
Researchers at RIT and Raytheon are developing larger, cheaper infrared detectors grown on silicon wafers. This technology could enable more scientists to access infrared astronomy, find exoplanets, and study the universe's acceleration. The new detectors may also advance remote sensing and medical imaging.
Researchers at NPL have demonstrated a monolithic 3D ion microtrap array that can confine individual ions at the nanoscale and scale up to handle tens of qubits. This breakthrough device could enable faster quantum computation and advanced measurements.