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 have successfully demonstrated ULTRARAM¼trade mark computer memory on silicon wafers for the first time, combining non-volatility with speed and energy-efficiency. The technology outperforms previous incarnations, offering data storage times of at least 1000 years and fast switching speeds.
Researchers have developed an efficient organic light-emitting diode (OLED) that can produce bright emission equivalent to a typical display using a 1.5-V battery. The OLED achieves a lower operating voltage than expected, with characteristics of charge transfer states at the interface being key to its efficiency.
Researchers at Cornell University have discovered that the junctures of 3D semiconductor particles' facet edges display 2D properties, which can boost solar energy conversion technologies. The unique electronic properties of these particles can be leveraged for photocatalytic processes.
A new class of faster and more powerful semiconductors is being developed by UMass Lowell scientists to enhance wireless communication and digital imaging. The $1.7M NSF project aims to improve infrared optoelectronic devices, enabling better intracellular imaging, night vision, and quantum and 5G communication.
Scientists have made a breakthrough in controlling the formation of vacancies in silicon carbide, a semiconductor material. The team's simulations tracked the pairing of individual vacancies into a divacancy and discovered the optimal temperatures for creating stable divacancies. This discovery could lead to highly sensitive sensors an...
Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.
The University of Texas at El Paso has received a $917,000 grant from the Air Force Office of Scientific Research to develop advanced materials for national defense, power electronics, and security. UTEP students will perform cutting-edge research on gallium oxide-based semiconductors.
Researchers at Georgia Institute of Technology created soft flexible photodetectors that are up to 200% stretchable and can detect fainter light levels than conventional devices. The breakthrough material has potential applications in medical wearable sensors, implantable devices, and intelligence systems.
Physicists from the Technische Universität Dresden have confirmed an unusual movement of light-emitting particles in atomically-thin semiconductors. Excitons seem to move in opposite directions at the same time, a behavior previously known only for individual electrons.
A research group at Tohoku University has successfully engineered relaxation time to achieve fast switching in sub-five-nm magnetic tunnel junctions, reaching 3.5 ns. This breakthrough enables the development of STT-MRAM-based semiconductor ICs with improved performance and power consumption.
A new database has been launched to systematically record findings on perovskite semiconductors, featuring over 42,000 individual data sets and analysis tools for interactive exploration. The FAIR principles guide the preparation of the data, enabling easy searching with modern algorithms and artificial intelligence.
Researchers have developed a room-temperature perovskite polariton parametric oscillator, enabling scalable and low-threshold nonlinear devices. This breakthrough offers possibilities for the development of cost-effective and integrated polaritonic devices.
Scientists create a process called 'coherent optical engineering' that can dramatically change the properties of materials without generating heat. The breakthrough uses lasers to alter electron energy levels in a way that is reversible and free from unwanted heating.
Scientists at TU Wien have developed a novel germanium-based transistor with the ability to perform different logical tasks, offering improved adaptability and flexibility in chip design. This technology has potential applications in artificial intelligence, neural networks, and logic circuits that work with more than just 0 and 1.
A KAUST-led team reviewed strategies for mitigating damage to transparent electrodes in optoelectronic components. The team identified buffer layers as a potential solution, with strengths and weaknesses of different materials and techniques for creating them.
Researchers from UC Riverside developed a revolutionary imaging technology that compresses light into a nanometer-sized spot, allowing for unprecedented 6-nanometer color imaging of nanomaterials. This advance improves the study of unique properties and potential applications in electronics and other fields.
Scientists have made a groundbreaking discovery by exciting an unattainable energy transition in an artificial atom using laser light. The radiative Auger process allowed them to stimulate electrons to emit energy and transfer it to another electron, achieving a seemingly impossible transition.
Researchers at POSTECH develop a new method for arranging quantum dots, resulting in display panels with improved resolution. The technique uses the coffee ring effect to assemble QDs in specific areas, reducing manufacturing costs and increasing brightness.
Perovskite materials have emerged as promising alternatives to crystalline silicon for producing solar panels. Despite defects that reduce performance, perovskites show impressive efficiency levels comparable to silicon alternatives. Researchers used multimodal microscopy methods to visualize and explain the complex interactions betwee...
Aluminum implantation doping creates defects many layers deeper than the implantation site, affecting conductivity modulation and specific on-resistance. Researchers found that ion implantation defects penetrate up to 20 µm from the active region, requiring processing at least this distance away.
The new project aims to bridge the gap between complex rare category analysis and state-of-the-art techniques. It will focus on developing explainable methods for detecting defective silicon wafers and severe complications among diabetes patients.
Researchers develop new epitaxial growth mechanism to achieve large-scale single-crystal WS2 monolayers, overcoming a crucial hurdle in replacing silicon with 2D materials. The technique enables uniform alignment of small crystals and leads to the successful growth of wafer-scale single-crystals of WS2, MoS2, WSe2, and MoSe2.
Researchers at Dalian Institute of Chemical Physics observed the Marcus inverted region in charge transfer from low-dimensional semiconductor materials. This finding reveals a new understanding of the fundamental energetics dependence of electron transfer, benefiting energy conversion applications of these materials.
Researchers successfully manipulated a single molecule into an upright position and measured its stability, gaining insights towards fabricating electrical components and circuits at the atomic level. The findings have potential applications in creating ultrasensitive sensors, quantum dots, and quantum computers.
A University of Wollongong team has combined two doping elements to achieve new efficiencies in the topological insulator Bi2Se3. The resulting crystals show clear ferromagnetic ordering, a large band gap, high electronic mobility, and the opening of a surface state gap.
The PERSEPHONe project aims to create a novel technological platform for photonics based on metal-halide perovskites. Early stage researchers will be trained in materials design, device development and adaptability.
Researchers have successfully demonstrated laser emission from ultra-thin crystals consisting of three atomic layers, a breakthrough that could lead to miniaturized circuits and future quantum applications. The discovery showcases the potential of these materials as a platform for new nanolasers capable of operating at room temperature.
The Army Research Office and Army Research Laboratory have awarded $5.4 million in grants to support the development of a unique silicon carbide semiconductor fabrication facility at the University of Arkansas. Researchers will focus on producing energy-efficient and heat-resistant integrated circuits for military applications.
Researchers at University of Copenhagen have developed a new quantum circuit that can operate and measure all four qubits simultaneously. This breakthrough resolves a significant engineering headache in the development of large functional quantum computers.
Scientists at Osaka Prefecture University developed a novel method for creating uniform, electrically conductive nanosheets using oil and water interfaces. The approach resulted in highly organized three-dimensional nanostructures with high electrical conductivity, offering potential applications in energy devices and sensors.
SMART researchers have discovered a practical method to overcome current challenges in the manufacture of indium gallium nitride (InGaN) LEDs with considerably higher indium concentration. The new approach uses intrinsic defects in semiconducting materials to form quantum dots that emit long-wavelength light.
Researchers at North Carolina State University have developed a new synthesis process that increases the number of holes in p-type III-nitride semiconductor materials, leading to more efficient LEDs and lasers. This breakthrough could also help address the long-lasting problem called the 'green gap' in LED technology.
Researchers at Berkeley Lab have successfully engineered microbes to produce novel chemicals and developed a new technique for studying enzyme reactions in real-time. This breakthrough could lead to the production of sustainable fuels, pharmaceuticals, and renewable plastics.
Researchers at Osaka University developed a deep neural network to accurately determine qubit states despite environmental noise. The novel approach may lead to more robust and practical quantum computing systems.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
Researchers have discovered a way to significantly increase the efficiency of solar cells by harnessing excess energy and storing it before it's lost as heat. This breakthrough could raise the industry standard limit from 30% to over 60%, addressing one of the major challenges in commercial solar cells.
Scientists from Skoltech and the University of Southampton created an all-optical lattice that houses polaritons, quasiparticles with half-light and half-matter properties. They demonstrated breakthrough results for condensed matter physics and flatband engineering.
Colloidal quantum dot technology enables infrared lasing at room temperature, paving the way for low-cost solution-processed and CMOS integrated lasing sources. The breakthrough discovery may facilitate fully integrated silicon photonics, enabling lower power consumption, higher data rates, and multi-spectral 3D imaging capabilities.
Researchers developed a high-precision THz time-domain ellipsometry system to characterize wide-gap semiconductors. The system can measure carrier densities up to 10^20 cm^-3 with superior accuracy and precision, resolving a long-standing challenge in the field.
Researchers at DTU have developed a new method for designing nanomaterials with unprecedented precision, allowing for the creation of compact and electrically tunable metalenses. This breakthrough enables the development of high-speed communication and biotechnology applications.
A new study reveals the emergence of magnetism in a 2D organic material due to strong electron-electron interactions in its unique star-like atomic-scale structure. The findings have potential applications in next-generation electronics based on organic nanomaterials.
The Center for Integration of Modern Optoelectronic Materials on Demand will develop new semiconductor materials and scalable manufacturing processes for applications in displays, sensors, and quantum communication. The center aims to connect academic research with industrial and governmental needs, educating a diverse STEM workforce.
Researchers at Goethe University Frankfurt and Bonn have synthesized molecular nano spheres made of silicon atoms, known as silafulleranes, which can encapsulate chloride ions. The discovery of these new compounds may lead to improved applications in electronics, solar cells, and batteries.
A study from KAUST found that interface and bandgap engineering can significantly slow down the relaxation of 'hot' electrons in semiconductors, increasing their lifetimes. This innovation has potential applications in solar cells, which could improve efficiency by reducing heat loss.
Scientists at Empa have pushed flexible solar cell efficiency to a new limit, achieving 21.4% conversion rate. The study's findings also show that the technology remains stable after exposure to combined heat and illumination.
Researchers at the University of Houston have developed an electrochemical actuator that utilizes organic semiconductor nanotubes, exhibiting high performance and tunable dynamics in liquid and gel-polymer electrolytes. The device demonstrates excellent stability, low power consumption, and fast response time.
A team from the University of Cambridge developed a nano 'camera' that harnesses light within semiconductor nanocrystals to induce electron transfer processes, allowing for the real-time monitoring of chemical reactions. The platform can be used to study various molecules and their potential applications in renewable energy.
Berkeley Lab researchers developed a method to increase the efficiency of LED devices by applying mechanical strain to thin semiconductor films. This approach reduces exciton annihilation, allowing for high-performance LEDs even at high brightness levels.
Researchers have developed a new structure and materials for tandem solar cells, enabling more light to be captured and energy converted effectively. The n-i-p configuration achieved a significant improvement in power-conversion efficiency, exceeding 27%, surpassing previous best values.
Researchers create transistors with an ultra-thin metal gate grown as part of the semiconductor crystal, eliminating oxidation scattering. This design improves device performance in high-frequency applications, quantum computing, and qubit applications.
Osaka University researchers demonstrate the readout of spin-polarized multielectron states composed of three or four electrons on a semiconductor quantum dot. This breakthrough may lead to quantum computers utilizing high-spin states, enabling faster and higher-capacity processing.
Researchers at the University of Tsukuba successfully grow a Li@C60 film on a copper surface, studying its molecular orbitals and enabling transport of electrons. The new method uses a salt with a larger, less strongly bound anion to form a stable monolayer.
KAUST researchers have developed a multifunctional molecule, phenformin hydrochloride, to plug various atomic-scale defects in perovskite solar materials. This innovation significantly improves the longevity and electrical output of perovskite solar cells, with boosted power conversion efficiencies reaching up to 20.5%.
The new infrared detector can make two technically important ranges of infrared radiation visible, previously not covered by conventional photodiodes. The sensor can distinguish between substances based on their different absorption properties in the NIR and SWIR range.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
A new Science article assesses the technological progress of colloidal quantum dots, which have become industrial-grade materials for a range of technologies. Advances include first demonstration of colloidal quantum dot lasing, discovery of carrier multiplication and pioneering research into LEDs and luminescent solar concentrators.
Scientists at the University of Chicago have developed a new approach called click-to-polymer (CLIP) to attach functional units to polymer semiconductors, overcoming limitations in their functionality. The CLIP method enables the creation of multifunctional conjugated polymers for human-integrated electronics, including disease detecto...
Siddha Pimputkar, an assistant professor at Lehigh University, has received the American Association for Crystal Growth (AACG) Young Scientist Award for his outstanding contributions to crystal growth. His research focuses on synthesizing bulk and thin-film single-crystal nitrogen-containing materials.
Researchers achieve continuous and flat nearly single-crystalline nitride films on amorphous glass substrate via van der Walls strategy. The development of this technology promises a universal method for improving the incorporation of Indium in III-nitrides.
The UCLA-led team has devised a solution to enhance wavelength-conversion efficiency by exploring semiconductor surface states. Incoming light is bent using a nanoantenna array, allowing for easy and efficient conversion of wavelengths.