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.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
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 from CCNY and UC Berkeley have created rewritable computer chips using a beam of light. The technique, published in Nature Communications, uses laser light to control the spin of an atom's nucleus for encoding information.
Researchers at UCSB have successfully synthesized a semiconductor material through genetic engineering and molecular evolution. By directing the evolution of enzymes, they created new mineral architectures with unique properties, opening up possibilities for specialized materials.
Researchers at Northwestern University have developed a new, all-solid-state solar cell that exceeds the performance of traditional Grätzel cells. The device achieves an impressive conversion efficiency of approximately 10.2 percent and is stable over time, addressing key limitations of current solar technology.
The team's research involves tapping into an unused range in the electromagnetic spectrum and a new microchip technology. This could reduce size and cost while creating images without multiple lenses inside devices.
Researchers at University of Cambridge use light to guide electrons through a barrier, creating new particles that interact strongly. This breakthrough has potential to lead to practical devices using quantum mechanics visible to the eye.
Scientists at the University of Copenhagen have developed a new method for cooling semiconductor membranes using lasers. By heating the material, they were able to cool its fluctuations to minus 269 degrees C.
Researchers have developed a way to create stronger and more efficient continuous wave T-rays, which can detect biological phenomena such as increased blood flow around tumorous growths. The new technology could lead to innovations similar to the 'tricorder' scanner used in Star Trek, enabling faster and more convenient medical scanning.
Paul Alivisatos, Berkeley Lab director, has won the Wolf Prize in Chemistry for his pioneering work on nanochemistry and artificial nanostructures. He shares the award with Charles Lieber of Harvard University, both recognized authorities on nanoscience and quantum dot technology.
Researchers at the University of Illinois have developed a technique to integrate compound semiconductor nanowires on silicon wafers, enabling high-performance solar cells. The approach uses densely packed arrays of tiny strands of III-V semiconductor that grow up vertically from the silicon wafer.
Scientists have made precise measurements of the quantum Hall effect in graphene, supporting the redefinition of the kilogram and ampere. This breakthrough aims to establish a universal and stable definition for these fundamental constants, linking them to natural quantities.
A new method developed at NIST enables the creation of unique features in diamond, allowing for precise cuts and potentially leading to improvements in nanometrology. The method could also improve MEMS devices used in cell phones, gyroscopes, and medical implants, making them more durable and efficient.
Researchers developed semiconductor materials that detect gamma rays, identifying plutonium and uranium. The method uses dimensional reduction to create heavy elements with immobilized electrons, making them suitable for detection.
A team of researchers at Purdue University has successfully created ultrapure gallium arsenide material that captures exotic states of matter. By cooling the material to extremely low temperatures and applying a magnetic field, they can create correlated states where electrons behave according to quantum mechanics.
Scientists at the University of Pennsylvania have developed a nanoscale plasmonic cavity that drastically reduces emission lifetime in semiconductors. By engineering high-intensity electromagnetic fields and controlling confinement, they achieve an unprecedented record-breaking emission lifetime measured in femtoseconds.
Prof. Eran Rabani's team at Tel Aviv University successfully dopes semiconductor nanocrystals, enabling the creation of p-n junctions in solar panels, light-emitting diodes, and other devices. The method allows for controlled electronic properties, opening up possibilities for more efficient and cost-effective applications.
Physicists at the University of Pennsylvania have demonstrated a dramatic increase in the combined on time of semiconductor nanorods when clustered together, providing new insight into this mysterious blinking behavior.
Researchers have developed a new technique to improve artificial photosynthesis by using cuprous oxide coated with a thin film of atoms, enabling the production of hydrogen from water. The process utilizes widely available materials and can be easily scaled up for industrial fabrication.
Researchers at Berkeley Lab have demonstrated localized surface plasmon resonances in doped semiconductor quantum dots, opening up possibilities for plasmonic sensing and manipulation of solid-state processes. This discovery extends the range of candidate materials for plasmonics to include semiconductors, offering advantages such as d...
Researchers at the University of Pennsylvania have made significant progress in controlling the characteristics of lead selenide nanowires, a promising material for semiconductors. By manipulating the exposure to oxygen and chemical hydrazine, they can alter the conductive properties between p-type and n-type devices.
Researchers have demonstrated a solar cell that responds to virtually the entire solar spectrum and can be manufactured using one of the semiconductor industry's most common methods. The new design promises highly efficient solar cells with practical production costs.
Researchers at JILA have created a terahertz radiation source that is unusually efficient and less prone to damage than similar systems. The technology uses ultrafast lasers and semiconductors to produce high-intensity output, making it suitable for applications such as detecting trace gases or imaging weapons.
Researchers at UCLA are developing spin-transfer torque magnetoresistive random access memory (STT-RAM) with great potential over current memory technologies. The technology has achieved densities comparable to dynamic random access memory and speeds comparable to static random access memory.
Researchers have developed dual-diameter nanopillars that absorb light as well or even better than commercial thin-film solar cells, using less semiconductor material. The new structure, designed by Ali Javey and his team, enables fine control over geometry and shape of the single-crystalline nanopillar arrays.
UCLA Engineering has received a $6 million award from NIST to construct the Western Institute of Nanotechnology on Green Engineering and Metrology (WIN-GEM), a cutting-edge facility supporting energy conservation technologies in microelectronics and nanotechnology.
A new study by Lifeloc Technologies reveals popular consumer breathalyzers to be inaccurate and inconsistent in measuring breath alcohol content. The company's independent report confirms these devices' notorious inaccuracy, warning consumers against relying on them for accurate BAC measurement.
Scientists used a unique frequency comb system to detect minute traces of contaminant molecules in arsine gas, which can cause semiconductor defects. The technique offers a combination of speed, sensitivity, specificity, and broad frequency coverage.
Researchers at Rice University discovered that strong magnetic fields can transform highly conductive carbon nanotubes into semiconductors. By applying a magnetic field, a band gap opens up and the material becomes an insulator.
Researchers demonstrate first full quantum control of qubit spin in tiny colloidal nanostructures, advancing quantum computing and energy generation technologies. The discovery enables precise control over light-matter interactions, paving the way for more efficient photovoltaic cells and potential breakthroughs in climate change.
Researchers have made a breakthrough in the development of solar cells, capable of harnessing more energy from sunlight. By using quantum dots and titanium dioxide, they can capture and transfer excess electrons, leading to potentially higher efficiencies. However, further research is needed to eliminate energy loss in the next step.
Researchers at Lawrence Berkeley National Laboratory are developing gamma-ray detectors to improve cancer therapy using heavy-ion beams. The Compact Compton Imager 2 (CCI-2) is a compact imager that can provide real-time images of the ion beam's energy distribution in tumors.
Researchers at Arizona State University have developed a new quaternary alloy semiconductor nanowire material that can be used to create more efficient photovoltaic cells and light-emitting diodes. The alloy, which has a wide range of band gaps, can also be used to produce colors for displays.
Researchers at Princeton University have made a breakthrough in quantum physics, discovering an equation that allows computers to model the properties of materials up to 100,000 times faster than previously possible. This new formula enables scientists to study the flaws in materials more effectively, leading to potential advancements ...
Researchers from Empa have successfully synthesized a graphene-like polymer with well-defined pores using a 'bottom-up' synthesis method. The new material boasts finer pores than traditional lithographic processes, opening up new possibilities for applications in electronics and other fields.
Researchers at Vanderbilt University have successfully demonstrated the fractional quantum Hall effect in clean graphene, a two-dimensional crystalline material. This breakthrough exploits graphene's unique electrical properties to create novel devices and test theoretical models of extreme environments.
Researchers at Rutgers University have discovered novel electronic properties in 2D carbon structure graphene, exhibiting strongly correlated behavior among charge-carrying particles. The findings are similar to superconductivity observed in some metals and complex materials, enabling the flow of electric current with no resistance.
Professor Christian Wetzel is working to develop efficient green LEDs to bridge the gap in color technology. His goal is to produce true white LEDs and enable widespread adoption of energy-efficient lighting solutions.
Researchers at Arizona State University and Technical University of Eindhoven have made a breakthrough in creating nanoscale lasers, which can improve computer performance and speed up Internet access. The new design uses a combination of semiconductors and metals to confine light and achieve a laser with the smallest thickness ever pr...
Researchers have developed a new design for solar cells using arrays of nanoscale pillars, each a single crystal, to efficiently convert light into charge-carrying electrons. The efficiency of the test device was measured at six percent, which is higher than most photovoltaic devices based on nanostructured materials.
Researchers developed an electronic glue to overcome a hurdle in semiconductor nanocrystal manufacturing. The innovation increases electronic coupling between nanocrystals, paving the way for mass-produced, low-cost device applications.
A team of researchers from Berkeley Lab has made a breakthrough in controlling the electric and magnetic properties of a multiferroic material by applying electric fields. The study uses calcium-doped bismuth ferrite film, creating p–n junctions that can be created, erased, and inverted with ease.
Scientists have developed non-blinking semiconductor nanocrystals, overcoming a long-standing challenge in their applications. The discovery enables the use of nanocrystals in devices like low-threshold lasers and solar cells, as well as biological imaging and tracking.
Boston College researchers have developed a titanium nanostructure that improves the efficiency of energy transport, achieving a peak conversion efficiency of 16.7 percent under ultraviolet light. The novel material enhances the 'water-splitting' technique by collecting and transporting electrons with minimal energy loss.
Researchers at University of California, Berkeley and University of Massachusetts Amherst developed a new technique to self-assemble nanoscale elements, enabling densities 15 times higher than previous methods. This approach could lead to improved data storage capacity and energy-efficient applications.
Scientists at NRL's Materials Science and Technology Division successfully controlled the spin population of individual quantum shell states in self-assembled InAs quantum dots. This breakthrough enables new spintronics applications, as the electron's spin is used to store and process information.
A team of researchers at CIC nanoGUNE and Max Planck Institutes developed a non-invasive method to map strain fields in semiconductors using scattering-type Scanning Near-field Optical Microscopy (s-SNOM). The technique resolves nanoscale material properties with 20 nm spatial resolution.
Researchers have discovered a new method to control graphene's properties by growing it on different surfaces. The results show that the chemistry of the surface plays a key role in shaping the material's conductive properties, allowing for the creation of either metallic or semiconductor graphene.
Kansas State University engineers are creating an energy-harvesting radio that can transmit data wirelessly, eliminating the need for battery changes. The technology has potential applications in monitoring stress, temperature, and pressure on bridges and other structures.
Researchers have developed a transparent resistive random access memory (TRRAM) chip, enabling see-through electronic systems. The technology may drive new directions in electronics, allowing for more compact devices and cheaper manufacturing.
T.P. Ma recognized for groundbreaking research in semiconductors, impacting high-tech industry and leading to practical applications such as flash memory. His work has been widely adopted by companies worldwide, including IBM and Intel.
Researchers at University of Oregon have synthesized a new metal-hydroxide compound with high yields, potentially leading to greener semiconductor processes. The discovery uses a novel additive to optimize crystallization, allowing for rapid production of nanoclusters suitable for large-area applications.
Researchers have developed a sensor array that can conform to irregular surfaces, enabling the creation of an eye-shaped camera with improved image quality. The technology has promise for applications such as advanced health monitors and prosthetic devices.
The novel microscope combines high penetration power with spatial resolution, allowing for the detailed composition of semiconductor devices and cellular structures to be analyzed. This breakthrough technique has far-reaching implications for improving semiconductor production and life science microscopy.
Researchers at Harvard University have developed a novel device that emits coherent Terahertz (THz) radiation at room temperature, overcoming a major hurdle in laser technology. The breakthrough has significant potential for applications ranging from security screening to chemical sensing.
Princeton engineers have created a process that can literally melt away tiny defects on microchips, enabling precise shaping of components without increasing fabrication cost. The method, called Self-Perfection by Liquefaction (SPEL), uses a light pulse from an excimer laser to guide the resulting flow of liquid into desired shapes.
Researchers at NIST have combined a transition-edge sensor with a microrefrigerator on a single microchip, achieving the first cooling of a fully functional detector. The combo chip offers the possibility of faster and cheaper precision analysis of materials like semiconductors and stardust.
A team from Penn State University and the University of Southampton created a single-crystal semiconductor inside an optical fiber, overcoming performance degradation between fibers and devices. The new device enables faster and more efficient electronic signals, opening up potential for next-level applications in various fields.
Researchers at NIST have shown that silicon crystals can develop cracks and breakdown under mechanical stress, contrary to conventional wisdom. The team's findings have significant implications for the design of micro-electromechanical system (MEMS) devices, which are critical components in various industries.
Researchers used atom probe tomography to observe distributions of individual dopant atoms in semiconductor devices, finding clusters around defects that persist even after thermal treatment. This limits the scalability of semiconductor devices.
Researchers at the University of Illinois have created a semiconductor membrane that can mimic the operation of biological ion channels, with applications in single-molecule detection, protein filtering, and DNA sequencing. The membrane uses electrostatic potentials to regulate charged species and ions, offering a degree of tunability ...
Researchers at JILA discovered a previously unseen type of collective electronic behavior in semiconductors, shedding light on interactions between microscopic particles. The study used ultrafast lasers to analyze the phase shift of light, confirming the importance of collective exciton behavior and its superiority over simpler models.