Articles tagged with Semiconductors
Researchers at TU Wien have developed a new practical method to estimate the actual expected lifetime of electronic components using novel materials. This approach allows for reliable and rapid lifetime prediction, helping industry identify the right materials and manufacturing techniques more quickly and with greater confidence.
A new method called DD-r²SCANH addresses the problem of underestimating band gaps in narrow-gap semiconductors. It combines two mathematical tools, r²SCAN and a smart algorithm, to predict dielectric constants more accurately.
Researchers examine the flow physics and modeling challenges governing EUV sources, highlighting the importance of debris control and multiscale fluid dynamics. The study aims to provide a common framework for laser-plasma and fluid mechanics communities, supporting future advances in EUV source performance.
Binghamton University has opened a cutting-edge cleanroom facility to support innovative research in advanced chip manufacturing. The new space will train over 100 students annually in this high-tech field.
The study isolated the effect of dielectric screening on excitonic properties in 2D perovskites. The research team found that changes in organic spacer length lead to a substantial rise in exciton binding energy.
Rice University researchers propose a new detector design that relies on semiconductor materials to search for axions, hypothetical particles believed to make up dark matter. The proposed detector aims to convert axions into photons, enhancing the photon signal to detect dark matter more easily.
Researchers at Rice University developed a custom Python-based software tool to rapidly analyze data from high-resolution X-ray diffraction, identifying dislocations and irregularities in the atomic lattice. The approach can accelerate the development of more reliable electronic and quantum devices.
A team of researchers from Science Tokyo has developed a new method to reversibly switch the chirality of semiconductor materials using electrochemistry. This innovation enables the creation of spin-polarized currents in layered non-chiral semiconductors, opening up new directions for developing ultrafast and energy-efficient devices.
The study successfully integrates probabilistic sampling and deterministic computation in generative AI hardware within a single ferroelectric memory array. The technology enables the generation of diverse images reflecting facial attributes, improving area and power efficiency in applications.
Researchers developed a tandem neural network that rapidly infers key semiconductor material properties from simple transistor measurements, outperforming conventional approaches. The system produces results in under one millisecond with near-perfect accuracy.
Janus 2D materials' synthesis has been solved by uncovering the underlying physics, paving the way for more precise manufacturing of electronics and clean energy technologies. The 'Electron Accumulation Model' controls the reaction at room temperature, accelerating it with ultraviolet light.
Researchers have identified a mechanism to improve energy efficiency by converting wasted heat into electricity using hollow silicon nanotubes. This technology has the potential to replace rare metals with abundant silicon, leading to more efficient thermoelectric devices.
A UCLA-led team discovered that synchronized electron movement can trigger electrical signals more than 100 times larger than conventional electronic materials. This breakthrough could lead to smaller, more energy-efficient devices using a quantum-like collective state of matter called charge-density-wave.
Researchers have developed a single material, tungsten disulfide, that can serve as both barrier and liner in copper wiring, allowing for improved chip performance. The coating is just 0.7 nanometres thick, roughly the width of a few atoms, and has shown significant improvements in resistance and reliability.
Researchers propose a Digital Twin Optical Computing System that reduces dependence on physical hardware for task development. The DT-OCS framework enables offline simulation, training, and optimization of computational tasks, improving research efficiency and application flexibility.
Researchers developed a new cavity control strategy to improve efficiency of blue VCSEL lasers, achieving 26.4% wall plug efficiency. The approach identified optimal mirror loss conditions and extracted device parameters, providing guidance for next-generation high-efficiency visible-light semiconductor lasers.
By integrating GaN transistors into a diamond substrate, researchers have improved the speed and energy-efficiency of next-generation wireless devices. The diamond layer spreads and manages heat, allowing the transistors to operate at peak performance without degrading reliability.
Researchers developed an interferometric second-harmonic generation imaging approach to identify antiparallel domains and detect hidden structural defects in hBN thin films. The study finds that SHG intensity is closely associated with differences in crystal orientation and destructive interference between domains.
Researchers developed a transistor technology that enables a single device to perform multiple circuit functions simultaneously, simplifying circuit design and increasing data processing speed. The new approach reduces required transistors by 75% and increases data processing speed fourfold.
Kumamoto University has established Kumadai Research Institute to deliver knowledge to society, bridging the gap between academic theory and industrial execution. The institute aims to build a sustainable global ecosystem for talent, technology, and industry.
Researchers have developed a wearable sensor that reads chemical signatures of human breath to decode silent speech into text. The device uses a microscopic nanoforest to capture rapid water vapor changes, achieving 98.51% accuracy rate.
Researchers have developed soft, brain-inspired electronics that can sense, store, and process information while conforming to biological tissues. These devices mimic the chemical processing of the human brain, executing complex tasks like heart rhythm classification at ultra-low voltages.
Researchers at Fraunhofer Institute develop a GaN-based power electronics module for 800V bidirectional direct current charging systems. The module enables flexible and efficient charging with improved compactness and reduced costs.
A Japan-US collaborative team has developed the world's first integrated spintronic probabilistic bit on a silicon chip, paving the way for large-scale spintronic p-computers. The innovation addresses computational problems requiring parallel processing of enormous numbers of possible states.
Researchers at POSTECH develop technology that lowers contact resistance by 50-fold and boosts on-state current by 17 times in ultra-thin tellurium transistors. This breakthrough enables stable operation of devices even at extreme temperatures, paving the way for next-generation 3D integrated circuits.
A team at Polytechnique Montréal has developed a new material that enables direct light processing on silicon chips, reducing the need for signal conversion and amplification. This breakthrough could help sustain the next wave of AI at scale by giving light a larger role in data processing.
Researchers from The University of Osaka created a cobalt-based honeycomb structure that exhibits strong magnetic interactions and ferromagnetic-like behavior. This breakthrough may lead to lower-cost quantum computing materials using relatively cheap and widely available cobalt.
Researchers developed a table-top EUV lithography device to speed up production of semiconductors, overcoming high entry costs and long processing times. The new device uses volumetric 3D patterning, allowing for faster printing of 3D nanostructures in minutes, not days.
Researchers have developed a single device that can harvest light and emit bright visible light, achieving high efficiency in both power conversion and electroluminescence. The device uses a novel organic semiconductor material with controlled energy flow, enabling it to operate at standard lithium-ion battery voltages.
Researchers at Texas Tech will develop wide/ultrawide bandgap semiconductor materials and devices with a $4.5M grant. The project aims to improve performance and reliability in harsh environments for aerospace, defense, and other industries.
A new method by Auburn University researchers and partners at Sandia National Laboratories accurately detects atomic-scale defects in electronic materials, improving technologies such as electric vehicles and high-power electronics. The technique uses a physics-based framework to remove measurement uncertainty.
The project aims to create a pilot line for advanced integrated photonic circuits, enabling the creation of new generations of photonic circuits. IMDEA Networks will lead the development of high-speed demonstrator devices, including an SPF transceiver, to validate the technology.
Researchers at The University of Osaka create GaN surfaces with atomic-scale precision, demonstrating exceptional reproducibility and record-low stress scatter in mechanical testing. This breakthrough provides a new criterion for nanoscale mechanical testing that goes beyond conventional roughness-based evaluation.
A research team at Postech has developed a next-generation laser emission platform capable of precise color control under battery-level low voltage. The technology achieves ultra-high color purity and continuous spectral tunability within a single device, overcoming limitations of conventional display light sources.
The study demonstrates a significant improvement in red light emission from Eu-doped gallium nitride grown on a semipolar crystal plane. The approach selectively promotes the formation of highly efficient luminescent centers, resulting in brighter and more stable red LEDs for next-generation micro-LED displays.
A research team has successfully removed the primary obstacle to post-silicon computing by creating a record-breaking electronic connection for atomic-thin materials. The new GaOx layer enables 'hybrid tunnelling' mechanism, reducing contact resistance and allowing transistors to operate at much lower voltages without sacrificing speed.
The University of Utah and National Laboratory of the Rockies have signed a three-year MOU to strengthen the US energy system. The partnership enables research on urgent national security and energy priorities, including water security, critical minerals, and advanced manufacturing.
A team of researchers from MIT has directly characterized the three-dimensional atomic structure of a relaxor ferroelectric for the first time. This breakthrough provides a framework for refining models used to design next-generation computing, energy, and sensing devices.
The book highlights the importance of sustaining innovation in sectors such as semiconductors, biotechnology, and critical minerals to drive economic growth and national security. By rebuilding domestic manufacturing and leveraging new technologies, the US can regain leadership in these areas and capture a $4 trillion market.
A novel MOF-derived nanoconfined hollow polyhedral bimetallic sulfide heterojunction exhibits enhanced light harvesting efficiency and promotes rapid tetracycline degradation, with a kinetic rate constant five times higher than pristine Ag2S. The material maintained over 90% efficiency in real water matrices.
Researchers at TU Wien found that 2D materials are unsuitable for smaller electronic structures due to a tiny gap formed between the material and insulating layer. However, some materials can be combined with stronger bonds to eliminate this issue, potentially revolutionizing miniaturization steps.
Artificial synapses are built from soft, bio-friendly materials that operate like human brain synapses, merging data storage and computing into a single unit. Laboratory prototypes demonstrate immense capabilities, consuming energy on the scale of femtojoules.
Researchers discovered a way to tune the quantum properties of tiny defects in diamond by stretching or compressing the crystal, enabling next-generation sensors with unprecedented precision. The silicon-vacancy center, a promising building block for quantum devices, responds predictably to mechanical deformation.
The device exhibits outstanding performance across a broad optical spectrum, with high responsivity and specific detectivity. Its polarization-sensitive detection capability enables the direct deciphering of light's polarization state without external filters.
Researchers develop fluoride-engineered perovskite nanocrystal glass for high-efficiency, full-color emission and ultra-high-resolution holographic displays. The glass matrix enables stable and efficient photoluminescence of PNCs, driving the creation of high-quality dynamic displays.
Researchers have uncovered a quantum mechanism by which energetic electrons break chemical bonds in microelectronic devices, leading to gradual wear and degradation. The discovery reveals that a single electron triggers bond breaking, allowing scientists to engineer more stable materials with longer lifespans.
Researchers explore new design strategies for metasurfaces and BICs, enabling scalable light control and efficient optoelectronic platforms. These advances have practical implications for applications in lasing, sensing, nonlinear optics, wavefront shaping, and imaging.
A new manufacturing approach enables the creation of working transistors on both sides of flexible microchips, doubling computing density. The technique uses a liquid bath to detach and float ultra-thin silicon membranes, allowing for precise fabrication without harsh adhesives.
Researchers have discovered a photostriction effect in perovskite crystals that reversibly changes shape when exposed to light. This property makes them 'smart materials' that can be tuned to respond to stimuli, potentially leading to new device designs such as sensors or actuators.
Researchers from The University of Osaka propose a compact LED design that directly emits circularly polarized light, potentially simplifying optical devices. The new design uses robust inorganic materials and achieves high levels of both efficiency and polarization degree.
Researchers have demonstrated that silicon nanospheres can enhance second-harmonic generation in monolayer transition-metal dichalcogenides while preserving valley-polarization information. The study provides design guidelines for efficient, polarization-preserving nonlinear light sources at the nanoscale.
Researchers successfully captured singlet-fission-amplified excitons with a molybdenum-based emitter, achieving 130% quantum yield and pushing the limits of solar cell efficiency. The team used a metal complex called 'spin-flip' emitter to harvest multiplied energy from singlet fission.
A research team has elucidated the mechanism behind polarity inversion in polymer semiconductors, revealing that it occurs when dopant uptake exceeds a critical threshold. This phenomenon enables both p-type and n-type behavior in a single material, simplifying device structures and improving manufacturing efficiency.
Researchers discovered a new material, boron arsenide, that exhibits record-high coherence of optical phonons due to suppression of three-phonon scattering. This finding holds promise for the development of quantum phononics and could aid in managing excess heat in electronics.
Researchers at UCLA have developed a strategy to improve the efficiency of electrical current entering perovskite semiconductors, enabling faster and lower-power devices. By creating a thin, locally modified region under the metal contact, they enabled electrons to pass through the barrier using quantum mechanical tunneling.
Researchers have developed a structure that traps infrared light in a layer just 40 nanometers thick, opening up opportunities for faster and smaller photonic systems. They achieved this by creating a subwavelength grating using molybdenum diselenide, a material with a high refractive index.
Researchers at Nagoya University present six advances in gallium oxide thin-film growth, including a world-first result growing the material on low-cost silicon substrates. The new High-Density Oxygen Radical Source doubles atomic oxygen density, promoting chemical reaction and film growth.
Researchers at the University of Jyväskylä have developed a new approach to model semiconductor electrodes, revealing the basic mechanisms underlying the hydrogen evolution reaction on a titanium dioxide semiconductor. The study identified a previously unknown phenomenon in electrocatalysis, where local charge centers, polarons, activa...
Researchers at Stanford University have developed a promising approach to using well-studied semiconductors to improve infrared light-emitting diodes and sensors. The new technology has the potential to lead to smaller, sleeker, and less expensive infrared devices with improved defect tolerance.
Cornell University researchers have used electron microscopy to detect 'mouse bite' defects in semiconductors, which can sabotage their performance. The imaging method has the potential to touch every form of modern electronics and could be a crucial tool for debugging and fault-finding in computer chips.