Articles tagged with Semiconductors
Researchers have developed three-dimensional processors that significantly enhance the efficiency of transmitting vast amounts of data across the globe. The new approach uses semiconductor technology to propel wireless communication into a new dimension, offering compactness and efficiency in data transmission.
A KAIST team developed an insect-mimicking semiconductor that mimics the optic nerve of insects to detect motion. The device operates at high efficiency and ultra-high speeds, and has been applied to a neuromorphic computing system for predicting vehicle paths. It achieved 92.9% less energy consumption compared to existing technology.
Researchers at Kyoto University have determined the magnitude of spin-orbit interaction in acceptor-bound excitons in a semiconductor. The study revealed two triplets separated by a spin-orbit splitting of 14.3 meV, supporting the hypothesis that two positively charged holes are more strongly bound than an electron-and-hole pair.
Researchers engineered the electron density of Pd single atoms with twinned Pd nanoparticles, creating strong electronic metal-support interactions for efficient CO2 photoreduction. The team found that Pd-TPs served as an electron donor, enriching electron density on catalytic centers and accelerating carbonyl desorption.
Researchers have developed a novel 'nano active control platform' to control excitons and trions, providing valuable insights into the optical properties of two-dimensional semiconductors. The breakthrough discovery enables real-time analysis of nano-light properties with exceptional spatial resolution.
Researchers have developed a method called mask wafer co-optimization (MWCO) that allows for the creation of curved shapes using variable-shaped beam mask writers. This technique reduces wafer variation by 3x and improves the process window by 2x compared to existing methods.
Scientists use a special microscope to break up the bond between electrons and holes in semiconductors, revealing that hole interactions determine charge transfer processes. The findings have implications for future computer and photovoltaic technologies.
Scientists have successfully discovered the mechanism of trion generation using a tip-enhanced cavity-spectroscopy system. This approach enables nanoscale control and investigation of trion emission properties.
Researchers have successfully induced and controlled polarization states within metals using flexoelectric fields. This method has the potential to mitigate power losses attributed to semiconductors and extend battery lifespan in electronic devices.
Researchers at Brookhaven National Laboratory have developed a universal method for producing functional 3D metallic and semiconductor nanostructures using DNA. The new method produces robust nanostructures from multiple material classes, opening opportunities for 3D nanoscale manufacturing.
The researchers designed a means to engineer single-nanometer magnetic tunnel junctions with a CoFeB/MgO stack structure, allowing them to control the shape and interfacial anisotropies independently. This enables the MTJ performance to be tailored for applications ranging from retention-critical to speed-critical.
Researchers developed a carbon-based tunable metasurface absorber with an ultrawide, tunable bandwidth in the THz range. The absorber boasts high absorption efficiency and insensitivity to polarization angles, paving the way for advanced technological applications.
A team of researchers from Chiba University introduces a new method of controlled deposition, enabling the creation of stable surface layers with controllable polarization. This approach is expected to improve the efficiency and lifetime of OLED materials, as well as pave the way for the development of new organic devices.
Engineers have discovered a method to increase the stability of perovskite solar cells using bulky additives, which could enable the production of cheaper solar panels. The study suggests that larger molecules with specific configurations are most effective at preventing defects in the cells.
Researchers have successfully synthesized a new material that exhibits self-recoverable near-infrared (NIR) mechanoluminescence, a property useful for biomedical imaging and other applications. The material's mechanism is attributed to its piezoelectricity, which generates excited states in Cr³⁺ ions upon mechanical stimulation.
A team of researchers led by Walter de Heer at Georgia Institute of Technology has created a functional graphene semiconductor with 10 times the mobility of silicon. This breakthrough technology could enable smaller and faster devices, as well as applications for quantum computing.
Researchers propose a new method using titanium dioxide as a photocatalyst for synthesizing thiochromenopyrroledione derivatives in blue light. The approach yielded 20 sulfur-containing heterocyclic compounds with moderate-to-high yield.
A team of researchers has designed a unique n-TiO2/BaTiO3/p-TiO2 heterojunction that couples with the piezoelectric effect to overcome charge separation and transfer limitations. The design achieves higher photocurrent density than traditional p-n junctions, enabling more efficient photoelectrochemical water splitting.
Researchers at Osaka Metropolitan University fabricated GaN transistors using diamond substrates, achieving more than twice the heat dissipation of SiC-based transistors. This novel technology has the potential to revolutionize power and radio frequency electronics with improved thermal management capabilities.
A team of scientists has developed a method to synthesize large-area 2D materials with atomic thickness, exposing single facets. These samples exhibit high crystallinity and ordered domain orientation, making them ideal candidates for studying facet-dependent properties.
Researchers have found a superconducting material that can be controlled to switch its properties on and off, potentially leading to more efficient large-scale computing. The discovery could enable the creation of energy-efficient switchable superconducting circuits, revolutionizing industry electronics.
Researchers at Singapore University of Technology and Design propose a new unifying framework to identify low-risk materials for further development. The team screened 3,000 entries in the materials database to find 25 candidate materials that exhibit high performance and are sustainable at the material level.
Purdue University researchers have found that polaritons can contribute a larger share of thermal conductivity in semiconductors, overcoming phonon limitations. By understanding how to design materials and structures, manufacturers can incorporate these polariton-based nanoscale heat transfer principles into chip designs.
Researchers have successfully fabricated a self-assembling photonic cavity with atomic-scale confinement, bridging the gap between nanoscopic and macroscopic scales. The cavities were created using a novel approach that combines top-down and bottom-up fabrication techniques, enabling unprecedented miniaturization.
Researchers at the University of Sydney have invented a compact silicon semiconductor chip integrating electronics with photonic components, significantly expanding radio-frequency bandwidth and filter control. The new technology has potential applications in advanced radar, satellite systems, wireless networks, and telecommunications,...
Researchers will incorporate advanced semiconductor technologies and AI into a millimeter-wave radio system to increase bandwidth while reducing energy consumption. The project aims to save tens to hundreds of terawatt-hours of energy per year, contributing to climate change mitigation.
Researchers at the University of Illinois have developed a diamond semiconductor device with the highest breakdown voltage and lowest leakage current. The device operates at high voltages and currents without losing electrical performance, making it suitable for applications such as solar panels and wind turbines.
Researchers at University of Illinois developed new semiconductor materials that can harness the power of chirality, a non-superimposable mirror image. The study found that subtle molecular changes can modulate chiral helical assemblies, leading to new optical, electronic, and mechanical properties.
Researchers at Rensselaer Polytechnic Institute are working on new materials that can be made even smaller than current copper wires while offering far less electrical resistance. The goal is to create smaller, faster, and more energy-efficient computer chips.
Researchers at Osaka University use a robotic system to automate key experimental processes, accelerating the search for new materials. They evaluate 576 thin-film semiconductor samples using photoabsorption spectroscopy, optical microscopy, and time-resolved microwave conductivity analyses.
The University of Texas at San Antonio has been selected to establish a Secure Manufacturing Tech Hub with a $500,000 grant from the US Economic Development Administration. The consortium aims to grow a skilled workforce, enhance business competitiveness, and promote secure manufacturing strategies across South Texas.
Researchers at Columbia University have created the fastest and most efficient semiconductor yet, a superatomic material called Re6Se8Cl2. Excitons in this material can bind with phonons to create acoustic exciton-polarons that move faster than electrons in silicon, potentially leading to devices with speeds of femtoseconds.
Scientists from Meijo University successfully fabricated vertical AlGaN-based UV-B semiconductor laser diodes with distinct characteristics, operating at room temperature and exhibiting high optical output. The devices overcome existing challenges in fabrication and pave the way for novel manufacturing processes.
Researchers from Monash University have introduced a new theoretical study on quantum impurities, exploring their behavior in two-dimensional semiconductors. The 'quantum virial expansion' method sheds light on the complex interactions between impurities and their surroundings in 2D materials.
A new study by Meijo University researchers explores a novel method for removing insulating substrates from AlGaN semiconductors using heated and pressurized water. The method enhances conductivity, applicability to various semiconductor wafers, and has potential for high-power UV-light emitting devices.
Researchers have created a magnetoelectric material that can directly stimulate neural tissue, potentially treating neurological disorders and nerve damage. The material generates an electric signal that neurons can detect, overcoming previous limitations.
Scientists have developed perovskite photovoltaic cells with significantly improved optoelectronic properties using nanoimprinting method. The structure reduces optical losses and enables cheaper production on a large scale.
The interdisciplinary team, led by Kaiyuan Yang, will focus on leveraging the spin and charge of electrons in multiferroics to process and store information. The goal is to improve energy efficiency for computing devices, potentially reducing energy consumption by three orders of magnitude.
Researchers at City University of Hong Kong successfully morphed all-inorganic perovskites into various shapes at room temperature without compromising their functional properties. The findings demonstrate the potential of these semiconductors for next-generation deformable electronics and energy systems.
The university will use its expertise to create better wide bandgap semiconductors for the US defense, with potential applications in electric vehicles, power grids, and quantum technologies. The hub aims to build 'lab to fab' capability for semiconductors and enhance fundamental research.
Researchers from SUTD successfully applied reinforcement learning to a video game problem, creating complex movement designs that outperformed top human players. The study's findings have the potential to impact robotics and automation, ushering in a new era of movement design.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
A new study uses computer simulations to predict the formation process of spin defects in silicon carbide, an attractive host material for spin qubits. The team's findings represent an important step towards identifying fabrication parameters for spin defects useful for quantum technologies.
The University of Texas at Austin and its researchers are among the institutions receiving $45.6 million in grants to develop new semiconductor technologies and manufacturing processes. The funding, part of the NSF Future of Semiconductors program, aims to enhance performance and energy efficiency of semiconductor devices.
Researchers have developed a new semiconducting material called multielement ink that can be processed at low temperatures, paving the way for more sustainable semiconductor industry. The breakthrough enables faster and lower-energy production of semiconductors, which could significantly reduce carbon emissions.
Researchers at the University of Pennsylvania have grown a high-performing 2D semiconductor, indium selenide (InSe), to industrial-scale wafers. The team's success hinged on a growth technique that overcame InSe's atomic structure quirks, producing a material with uniform chemical and crystalline properties.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
Researchers from Meijo University and King Abdullah University of Science and Technology have developed high-performance micro-LEDs capable of meeting the brightness and definition demands of modern immersive reality technologies. The LEDs use gallium indium nitride semiconductors and can produce full-color imaging at high resolution.
Gallium oxide-based flash memory device demonstrates high performance and stability in extreme temperatures and radiation, retaining data for over 80 minutes. The team aims to improve device properties through further material quality and design advancements.
Scientists have demonstrated techniques to fabricate layered semiconductors with suitable bandgap and band structure, offering a new class of materials in photoelectronic applications. Heterogeneous integration of TMDs and traditional semiconductors enables the exploration of next-generation electronic and optoelectronic devices.
A new platform for integrated spectrometers has been proposed using solution-processable semiconductors, enabling ultra-narrowband detection and spectral tuning. The platform exploits conjugated-BIC photonics, allowing for high spectral resolution and wide tunability.
A joint research team from DGIST and Seoul National University developed an imaging platform to study the reaction intermediates in the degradation process of semiconductor nanocrystal quantum dots. They found that cadmium sulfide (CdS) decomposition forms amorphous intermediates, leading to surface structural degradation.
A new approach boosts light absorption in thin silicon photodetectors with photon-trapping structures, increasing the absorption efficiency over a wide band in the NIR spectrum. The findings demonstrate a promising strategy to enhance the performance of Si-based photodetectors for emerging photonics applications.
A German-Chinese research team has successfully created a quantum bit in a semiconductor nanostructure by exciting a superposition state with two short-wavelength optical laser pulses. This achievement demonstrates coherent control of a high-orbital hole in a semiconductor quantum dot.
Metalenses have been developed with differentiated design principles to eliminate chromatic aberration. By merging bright spots into a single focusing spot, researchers achieved an efficiency of up to 43% and demonstrated the versatility of their approach for various optical applications.
Researchers have demonstrated a method to power water remediation using renewable energy sources, including solar power. Through electrochemical separation and redox reactions, they successfully removed arsenate from wastewater.
Rice University engineers have created a device that converts sunlight into hydrogen with unprecedented efficiency, opening up new possibilities for clean energy and sustainable fuel production. The innovative technology uses halide perovskite semiconductors and electrocatalysts in a single, durable device.
A new FE-FET design demonstrates record-breaking performances in computing and memory, achieving large memory window with impressively small device dimensions. The combination of molybdenum disulfide and aluminum scandium nitride materials enables energy-efficient devices for both computing and non-volatile memory applications.
Researchers at the University of Minnesota have created a thin film of a unique semimetal material that can generate more computing power and memory storage while using significantly less energy. The study, published in Nature Communications, has important findings about the physics behind its unique properties.
Researchers developed super flexible composite semiconductors using inkjet printing, outperforming previous studies with up to 40% polymer addition. The material maintains electronic transport properties while achieving high flexibility and foldability.