Articles tagged with Diodes
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.
A KAUST team has developed a device that can tap into the constant energy emitted by Earth's surfaces and atmosphere, as well as waste heat from industrial processes. The 'rectenna' design uses quantum tunneling to convert infrared waves into useful electricity.
Researchers at the University of Pittsburgh are exploring a new architectural system based on acoustic diodes to create effective sound barriers that can cancel out unwanted noise. The technology has the potential to improve indoor comfort, reduce mental stress, and enhance workplace efficiency.
A new device developed by Washington State University physicist Yi Gu converts heat energy into electricity up to three times more efficiently than silicon. The multilayered composite material, called a van der Waals Schottky diode, has the potential to provide an extra source of power for electronics, cars, and other devices.
Researchers found that angled hairs can affect fluid flow, slowing it down like a grate. This discovery may help illuminate the role of hairy surfaces in the body and enable the design of new microfluidic devices.
Researchers have overcome a fundamental theoretical limitation to design molecular diodes with a record-high rectification ratio of 6.3 x 10^5. This breakthrough enables the use of molecular diodes in applications that silicon diodes can't handle, potentially leading to cheaper and easier fabrication.
Researchers at Ulsan National Institute of Science and Technology create a new technique for enhancing Schottky Diode performance. By inserting a graphene layer, they overcome the contact resistance problem that has remained unsolved for 50 years.
Researchers have developed a bioelectric system that can deliver neurotransmitters in the body at speeds nearly as fast as the nervous system itself. This breakthrough technology has the potential to treat conditions such as chronic pain, epilepsy, and Parkinson's disease.
Researchers have demonstrated that nanoscale electronic components can be made from single DNA molecules, representing a promising advance in the search for a replacement for silicon chips. The discovery may lead to smaller, more powerful and more advanced electronic devices.
Researchers created a world-record small diode using DNA molecules, opening doors to new electronic devices and potentially solving Moore's Law limitations. The breakthrough enables the development of molecular electronics, which may revolutionize computing hardware.
Researchers create high-performing single-molecule diode by controlling electrostatic environment, increasing rectification ratio to 200, and enabling faster electronics. The breakthrough enables new routes to charge and energy flow at the nanoscale.
CodePhage analyzes application execution to identify security checks missing from vulnerable code, then imports and inserts them into the source code. The system can repair common open-source programs in minutes, reducing grunt work for developers.
The researchers developed a novel ultra-compact heterogeneous wavelength tunable laser diode using silicon photonics and quantum-dot technology, achieving a wide-range tuning operation of around 1250 nm wavelength with an ultra-small device footprint. The obtained frequency tuning-range of 8.8 THz is a world record for QD and silicon p...
Columbia University researchers develop a new technique to create single-molecule diodes, outperforming previous designs by 50 times. The breakthrough enables high current flow and rectification ratios, paving the way for nanoscale devices with real-world technological applications.
Researchers at MIT's CSAIL have developed a new algorithm, DIODE, to detect integer-overflow bugs in programs. The system works by feeding a single sample input and recording each operation performed on it, allowing it to identify potential security vulnerabilities.
Researchers from Universite catholique de Louvain and Stanford University have synthesized a molecule with exceptional electronic properties, allowing for miniaturized devices. The discovery could lead to new miniaturization opportunities for future computers and green devices.
Researchers at Linköping University solved the long-standing mystery of a printed diode by applying it in the GHz band, enabling power supply to printed electronics via mobile phones. The breakthrough was achieved through tunnel effects, a phenomenon in quantum physics.
Researchers in China's Nanjing University have designed a novel acoustic diode that could provide brighter and clearer ultrasound images by eliminating acoustic disturbances. The device, which uses a near-Zero Index Metamaterial, achieves one-way transmission of sound waves, crucial for medical ultrasound applications.
Researchers have made a significant breakthrough in metal-insulator-metal, or MIM diodes, which could lead to the development of faster and more efficient electronic devices. The new diodes use a 'sandwich' structure to enable electron tunneling through insulators, potentially enabling precise control over device operation.
Duke University engineers developed a way to produce thermal diodes that can transfer heat in both directions, overcoming existing limitations. The method uses self-propelled water droplets to transport heat, enabling applications in energy-efficient solar panels and compact electronics.
Researchers at Caltech have created a tunable acoustic diode that allows acoustic information to travel only in one direction, controllable by frequency. This technology brings soundproofing closer to reality, with potential applications in biomedical ultrasound devices and energy-harvesting systems.
Researchers at North Carolina State University have introduced a buffer made of argon that allows GaN devices to handle much higher voltages, reducing electrical resistance by a hundredfold.
Researchers at Oregon State University have developed a high-performance metal-insulator-metal diode, solving decades-old material science challenges. The discovery has the potential to transform electronic products, enabling faster speeds and lower costs.
Researchers at Taiwan's National Chiao Tung University have made a discovery that opens the door to building electronic components like diodes on various substrates, including plastic, paper, and fabric. They developed a new method to improve the rectification efficiency of oxide diodes by forming nanoscale current paths in oxides.
Researchers at Sandia National Laboratories have successfully integrated a terahertz quantum-cascade laser and diode mixer into a compact, monolithic platform, reducing the need for precise optical alignment. This innovation could enable new applications in security, communications, and medical diagnostics.
Researchers at Ohio State University have discovered a method to fabricate quantum devices using conventional chip-making techniques, enabling the creation of ultra-low-power computer chips and high-resolution cameras. The development could lead to significant advancements in fields such as medical imaging, security, and public safety.
Researchers at Arizona State University have successfully created a molecular diode, the smallest electrical component in electronics. The breakthrough uses a technique called AC modulation to apply a mechanical perturbation to a molecule, allowing it to form a closed circuit and control current flow.
A team of researchers has created a single-molecule diode that could revolutionize computer chip design. The device is only a few tens of atoms in size and has the potential to replace silicon in computer chips, allowing for more powerful and smaller computers.
Researchers at Ohio State University have developed a plastic diode that can transmit electrical current at room temperature, paving the way for flexible and low-power computer chips. The diode's design lends itself to easy manufacturing and has achieved strong quantum mechanical effects without manipulating individual molecules.
Researchers at the University of Florida have created a new type of high-frequency circuit using widespread complementary metal oxide semiconductor technology. The 105 GHz circuit has potential applications in bioterrorism detection, as its frequency closely matches that of tiny pathogens and chemical bonds.
Researchers at Los Alamos National Laboratory have successfully grown a single-wall carbon nanotube, reaching a world-record length. This breakthrough has the potential to enable new types of nanoscale electro-mechanical systems, including micro-electric motors and nanoconducting cables.
Researchers at Ohio State University have developed a new diode that can replace some circuits on a typical chip, simplifying design without compromising performance. The diode conducts 150,000 amps per square centimeter, ideal for low-power devices and medical applications
Researchers have successfully created a novel chemical sensor based on an experimental physics phenomenon, allowing for the direct detection of molecules. This innovation has significant implications for various industrial applications, including manufacturing processes and environmental monitoring.
A team at the Naval Research Laboratory has successfully demonstrated room-temperature operation of an interband III-V laser diode emitting at a wavelength beyond three microns. This achievement brings gallium-antimony-based technology closer to practical and portable mid-infrared systems needed for military and commercial applications.
Researchers developed a new mathematical expression that accurately models p-n junction performance, resolving past misconceptions. The theory reveals unexpected results, including the diffusion capacitance vanishing for long diodes.