Articles tagged with Semiconductors
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 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 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 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.
A new platform with monolayer WS₂ on top of nanoscale air cavities demonstrates strong enhancement of light emission and nonlinear optical signals. The approach improves upon conventional dielectric nanoresonators by trapping light in air cavities, concentrating the optical field near the surface.
A new study by MANA demonstrates that strongly correlated insulators can behave differently, allowing spin and charge excitations to exist independently. This enables the creation of new electronic modes that actively modify band structures under external stimuli.
This study reveals that a femtosecond laser can induce a rise in electronic temperature, transiently blocking optical absorption and enabling multicolor modulation from a single material platform. The discovery opens a new pathway toward ultrafast, broadband, and energy-efficient photonic devices.
A team of scientists and industry experts investigated the challenges of developing new solar cells, including copper indium gallium diselenide and perovskite. They recommend focusing on material resilience, stability, and sustainability to ensure long-term success.
Researchers at Rice University have developed a new method to grow patterned diamond surfaces that can decrease operating temperatures in electronics. This approach uses microwave plasma chemical vapor deposition to create ordered layers of diamond crystals on substrates, allowing for controlled seed placement and scalable growth.
Researchers have observed a new microscopic mechanism enabling precise control of magneto-optical properties in alloys of two-dimensional semiconductors. The discovery opens up prospects for technological applications in devices exploiting valleytronics.
Scientists have made a breakthrough in understanding flexibility at the molecular scale, finding that individual molecules contribute to material stiffness. This discovery could inform the design of faster and more efficient flexible electronics.
Physicists at LMU have successfully tracked the extremely brief formation process of polarons using an ultrafast imaging method, confirming a theory from 1933. The researchers demonstrated that electrons lose energy and gain mass as they form these quasiparticles.
Dr. Bruce Gnade, professor emeritus at the University of Texas at Dallas, has been elected as a member of the National Academy of Engineering for his contributions to advancing electronic materials and semiconductor device technologies. He is also recognized for his leadership in education and workforce development.
Researchers developed a new chip architecture called QARPET, which allows for the characterization of hundreds of qubits under the same operating conditions. The platform features a tiled approach to qubit measurement, making it efficient and scalable.
Researchers at IISc have developed a new gate stack that cuts gate leakage by up to 10,000 times, improving threshold stability and reaching high gate breakdown voltages. The advancements enable GaN technology adoption in high-reliability applications.
Scientists have developed prototype devices with lower noise levels than conventional electronics, using unconventional materials to form nanowires. These materials exhibit a unique property where noise drops as the electrical current increases, enabling potential applications in ultralow-noise communication and sensor technologies.
The Bai lab has developed two patented technologies to improve electric vehicle (EV) charging and power conversion, in collaboration with FORVIA HELLA and Volkswagen Group of America. These innovations enable more efficient energy transfer between the AC grid, high-voltage car battery, and low-voltage car battery.
A team of researchers from Okayama University directly observes the atomic-scale growth of ultra-thin semiconductor crystals using a microreactor. They identify multiple growth regimes and dynamics, shedding light on how crystal shape and quality depend on conditions.
Scientists discover a new method to engineer crystalline materials with exceptionally low thermal conductivity by alloying YbN into AlN. This innovation has the potential to revolutionize industries such as semiconductor packaging and chemical reactors.
Researchers have discovered that twisting and stacking oxide crystals can create specific atomic configurations that act as an 'invisible fence' to trap or repel electrons. The study reveals charge disproportionation due to subtle distortions in oxygen octahedra, leading to altered electron accumulation patterns.
A new study from the Stockholm School of Economics shows how growing rivalry between major powers is pushing firms to rethink their sourcing, production capacity, and supplier relationships. Companies are diversifying suppliers, reducing dependence on single countries for critical inputs, and relocating or duplicating production to dif...
Researchers at UC Irvine's Nanoscale Communication Integrated Circuits Labs developed a unique transceiver that operates in the F-band spectrum, enabling speeds of up to 120 gigabits per second. This technology offers massive bandwidths and can transform how machines, robots, and data centers communicate.
A UCLA-led research team has discovered a new metallic material that conducts heat nearly three times more efficiently than copper, opening up new pathways for cooling electronics and AI hardware. The material, theta-phase tantalum nitride, boasts an ultrahigh thermal conductivity of approximately 1,100 W/mK.
Researchers developed a bio-inspired neuron platform that processes and learns information using light and electronics integrated on a single platform. The chip achieves 92% image recognition accuracy and demonstrates key synaptic behaviors found in biological learning.
Researchers at Nagoya University and Tokyo Electron Miyagi Ltd. have developed a new semiconductor etching method that significantly reduces processing time and enhances energy efficiency. The process employs plasma etching with hydrogen fluoride at very low temperatures, eliminating the need for fluorocarbon gases.
Researchers from Japan successfully downscaled a total ferroelectric memory capacitor stack to just 30 nm, maintaining high remanent polarization and paving the way for compact and efficient on-chip memory. This breakthrough demonstrates compatibility with semiconductor devices and paves the way for future technologies.
Researchers introduce a universal, nondestructive direct photolithography method for QD patterning, enabling precise control over fragile surface chemistry. The study demonstrates high-resolution patterns exceeding 10,000 pixels per inch and boosts device efficiency.
Researchers used causal AI to extract insights from ARPES data of cesium vanadium antimonide, a kagome superconducting material. The technology revealed that the chemical bonding state of cesium atoms strongly influences the electronic state of the V3Sb5 layer, responsible for superconductivity.
Scientists have created a new quantum state, known as hybrid excitons, at the interface of organic and 2D semiconductors. This unique state enables ultrafast energy transfer, which holds promise for developing next-generation solar cells and optoelectronic components.
Scientists established a definitive charge-driven mechanism underlying the non-thermal catalytic enhancement observed in DC-applied DRM, focusing on Pd/CeO2 as a model catalyst. The study reveals a cooperative mechanism between trapped electrons and strain-induced holes as the microscopic origin of non-thermal catalysis under DC applic...
Research from the University of Surrey discovers that small energy barriers in transistors make them more stable and reliable. The study reveals a novel 'multimodal transistor' design with two gate electrodes, enabling separate control of current injection and flow, which improves device performance.
Scientists have developed a predictive framework for 2D semiconductor industry, enabling the creation of high-performance printed transistors and circuits. This technology has the potential to manufacture low-cost, flexible, and high-performance 2D electronics for various applications.
Professor Owen Guy has received the SEMI Academia Impact Award for his outstanding contributions to semiconductor research, innovation, and industry-academia collaboration in Europe. He is Director of Swansea University's Centre for Nanohealth and a member of its Centre for Integrative Semiconductor Materials.
The University of Tennessee has received a $1 million NSF grant to build a semiconductor workforce pipeline. The Explorations program will train high school teachers in UT labs, equipping them to deliver classroom-ready modules in semiconductor design and manufacturing.
Researchers at the University of Warwick and National Research Council of Canada have created a new quantum material with unprecedented electrical conductivity, enabling faster and more efficient electronics. The breakthrough could lead to applications in quantum information processing, AI, and data-center hardware.
Researchers at Purdue University have achieved a long-sought milestone by controlling light with light itself at the most fundamental level using single photons. The discovery could enable photonic computing and revolutionize data centers, optical communications, and data transfer systems.
Researchers from SK Specialty developed a machine learning framework to predict the GWP of potential alternative materials for etching and cleaning semiconductors. The technique identified key patterns in molecular features related to radiative efficiency and atmospheric lifetime, enabling the prediction of GWP with high accuracy.
The first 2D semiconductor FPGA has successfully integrated approximately 4,000 transistors on a wafer scale, marking a significant transition for 2D electronics. The device utilizes an independently innovated integration process platform to overcome critical challenges and achieve reliable operation.
Researchers from Chung-Ang University have developed a novel AI-based approach for producing high-fidelity and defect-aware ultrasonic images, outperforming traditional techniques. This technology has the potential to revolutionize non-destructive testing in industries such as semiconductors, energy, and automotive.
Researchers have discovered new evidence of unconventional superconductivity in magic-angle twisted tri-layer graphene, a material that exhibits exotic electronic behavior. The team found that the material's superconducting gap looks very different from typical superconductors, suggesting a unique mechanism for its emergence.
A team of Korean researchers has successfully integrated a single memristor into micro-LED pixels, replacing the traditional driving transistor and storage capacitor. This innovation enables more efficient and easier-to-build displays with improved brightness and color accuracy.
Kono recognized for his contributions to optical physics, light-condensed matter interactions and photonic applications of nanosystems. His research explores how light interacts with materials at the nanoscale, potentially leading to new technologies in electronics and quantum communication.
Researchers at Rice University have discovered that light can trigger a physical shift in atomic lattice, creating tunable behavior and properties in transition metal dichalcogenide (TMD) materials. This effect could advance technologies using light instead of electricity, such as faster computer chips and ultrasensitive sensors.
A South Korean research team has discovered a molecular-level mechanism to switch the charge polarity of organic polymer semiconductors by adjusting the concentration of a single dopant. This enables polymers to exhibit both p-type and n-type characteristics, eliminating the need for separate materials or complex device architectures.
Researchers reviewed novel photonics breakthroughs of 2024, focusing on coupling free electrons with nonlinear optical states in integrated photonic microresonators. This enables ultrafast electron-beam modulation and novel research opportunities for electron imaging and spectroscopy.
Scientists have created a new type of germanium that is superconducting, enabling greater operational speed with less energy consumption. This breakthrough could revolutionize consumer products and industrial technologies, including future quantum circuits and low-power electronics.
Researchers at the University of Cambridge have discovered ultrafast quantum light in halide perovskites, which can be harnessed for future photonic technologies. The findings suggest a practical and affordable route to explore ultrafast quantum technology.
Researchers at SUTD have discovered that applying pressure can transform angstrom-thin bismuth into a metallic material, eliminating its energy band gap and allowing electrons to move freely. This discovery enables the creation of layer-selective Ohmic contact, which allows electrical current to be steered between layers on demand.
University of Houston researchers have discovered a material with thermal conductivity exceeding 2,100 watts per meter per Kelvin at room temperature. This breakthrough challenges existing theories and could lead to the development of new semiconductor materials with improved thermal management in electronics and data centers.
Researchers at King Abdullah University of Science and Technology have achieved a new benchmark in integration density and efficiency by stacking six semiconductor transistors. This feat enables larger area electronics while maintaining performance, opening possibilities for flexible electronics and the Internet of Things.
Duke University researchers have developed a printing technique that can create fully functional and recyclable electronics with features as small as tens of micrometers. This breakthrough has the potential to significantly reduce the environmental impact of the $150 billion electronic display industry.
Researchers at the Niels Bohr Institute created an intermediate state between superconductor and total insulation by controlling quantum fluctuations in tiny superconducting islands. This 'anomalous metallic regime' is a crucial step toward more controllable and reliable quantum devices.
Researchers have discovered remarkable spin-related material properties of Germanium-Tin (GeSn) semiconductors, which may offer advantages over conventional materials in quantum computing and spintronics. GeSn alloys provide low in-plane heavy hole effective mass, large g-factor, and anisotropy, making them promising for qubits and low...
A new spinel-type sulfide semiconductor, (Zn,Mg)Sc2S4, has been developed by researchers at Science Tokyo. The material can be chemically tuned to switch between n-type and p-type conduction, making it suitable for pn homojunction devices in next-generation LEDs and solar cells.
A novel molecular coating enhances the consistency and precision of quantum light sources, increasing their spectral purity and controlling photon energy. The coating protects single-photon emitters from atmospheric contaminants, enabling reliable quantum devices for secure communications and ultra-precise sensors.
Scientists have observed a doping-tunable charge density wave (CDW) in single-layer semiconductor Chromium(III) selenide. The CDW phenomenon is extended to semiconductors, allowing for reversible tuning via surface charge transfer doping. This discovery provides insights into emergent orders in quantum materials and potential device ap...
Scientists at OIST use advanced spectroscopy to track the evolution of dark excitons, overcoming the fundamental challenge of accessing these elusive particles. The findings lay the foundation for dark valleytronics as a field, with potential applications in quantum information technologies.
Researchers developed a new strategy to modify zinc oxide interlayers with polymer zwitterions, effectively passivating defects and enhancing solar cell device performance and stability. The conjugated units in the polymer zwitterions improved UV light absorption and facilitated more efficient charge extraction.