Articles tagged with Semiconductors
Scientists have found nanometre-sized areas of varying local density in amorphous silicon thin films. These regions, known as densely ordered domains, contain hardly any hydrogen and can contribute to the stability of the material.
By straining diamond to change its electronic properties, researchers can dial it from insulating to highly conductive, or metallic. This breakthrough could lead to the development of new optical devices, quantum sensors, and high-efficiency solar cells.
Researchers at KIST and Jeonbuk National University created a new type of two-dimensional material that generates up to 40% more power than traditional materials when subjected to static electricity. This innovation enables the development of self-powered touch sensors that can recognize touch signals without electricity.
Researchers at the University of Michigan have developed a self-erasing chip that can store authentication information or secret messages. The chip uses a new material that emits light in specific frequencies, which can be erased with a flash of blue light, making it suitable for anti-counterfeit measures and secure data transmission.
A POSTECH research team developed a technology to freely change structural colors using IGZO-based color filter, enabling low-power displays and quick color adjustments. The device can transmit vivid colors with extremely low light loss.
NASA's new pixel-based silicon detector technology has the potential to detect highly energetic photons in space with less power consumption. The AstroPix project is using complementary metal oxide semiconductor (CMOS) manufacturing process to create more efficient detectors.
Scientists have successfully fabricated red LEDs using indium gallium nitride, a material that can emit green, yellow, and red light. The developed LEDs offer improved stability at high temperatures compared to current InGaP-based devices.
Researchers from Basel and Bochum have experimentally confirmed the radiative Auger process in quantum dots, a crucial step for quantum communication. This discovery allows for precise determination of quantum mechanical energy levels, enabling better understanding of quantum systems.
Researchers developed a novel material that enables major leaps in electronic device miniaturization. The ultrathin boron nitride film boasts an extremely low dielectric constant and high breakdown voltage, making it attractive for practical electronic applications.
A new study successfully demonstrates the synthesis of ultrathin amorphous boron nitride films with extremely low dielectric constants, high breakdown voltages, and superior metal barrier properties. These materials have great potential as interconnect insulators in next-generation electronic circuits.
University of Washington researchers have successfully cooled a solid-state semiconductor material using an infrared laser, achieving a temperature drop of up to 20 degrees C. The method has wide potential applications in fields such as quantum communication and scientific instruments.
Research by Alexei Frolov finds distinct relationships between particle masses and cluster properties, improving understanding of semiconductors' optical spectra. The study's formulas could be adapted to describe clusters with varying masses, enabling finer tuning of semiconductor properties.
A team of physicists at the Universität Leipzig is developing an ultra-compact spectrometer with potential applications in industries such as food, medicine, and textiles. The new instrument could make quality control cheaper and more accessible, allowing for widespread adoption and democratizing access to spectral analysis.
Scientists at the University of Strathclyde have created a new form of high-resolution imaging technology using miniature devices that utilize terahertz radiation. This non-invasive method allows for accurate detection of small tumors and could lead to improved cancer diagnosis and treatment.
Researchers at Arizona State University have discovered a mechanism to produce optical gain in 2D semiconductor materials, enabling the creation of low-power nanolasers. This breakthrough could lead to game-changing applications in supercomputing and data centers.
Researchers at Rensselaer Polytechnic Institute have discovered an optical version of the quantum hall effect, unlocking new properties of excitons in two-dimensional semiconductors. This breakthrough could lead to advancements in quantum computing, memory storage, and solar energy harvesting.
Scientists at University of Copenhagen have discovered a new way to create topological superconductivity and Majorana zero modes using a cylindrical superconductor surrounding a semiconductor, potentially offering an alternative route for qubits. This breakthrough unifies two existing ideas in quantum mechanics.
Researchers at the University of Tokyo have created a tin dioxide semiconductor with the highest mobility ever reported, enabling more efficient solar panels and touch-sensitive displays. This breakthrough could lead to improved transparency and conductivity in materials, benefiting various industries.
Researchers at Helmholtz-Zentrum Berlin have developed a new tandem solar cell made of CIGS and perovskite, achieving an efficiency of 24.16 percent. This innovation has created a new branch on the NREL chart for two-terminal tandem cells.
Researchers have fabricated high-performance mid-infrared laser diodes directly on microelectronics-compatible silicon substrates, paving the way for low-cost sensors for real-time environmental sensing. The new fabrication approach reduces costs by using industry-standard processing techniques.
Researchers discovered a new mechanism of optical gain in two-dimensional materials that requires only extremely low input power. This breakthrough has significant implications for the development of energy-efficient photonic devices, potentially reducing the need for high electrical power.
Researchers at New York University develop guidelines for optimal band gap values in wide-band gap semiconductors for efficient underwater use. Various materials, such as organic and alloys, are shown to be suitable for deep waters, potentially extending the range of autonomous submersible vehicles.
Researchers at Tokyo Institute of Technology and Socionext Inc. designed the smallest all-digital PLL, reducing area, power consumption, and jitter while achieving best performance. The synthesizable PLL is commercially viable for 5 nm semiconductors, crucial for cutting-edge applications like AI and IoT.
Researchers from ITMO University have proposed a technology for manufacturing high-efficiency solar cells based on A3B5 semiconductors integrated on a silicon substrate, which may increase the efficiency of existing photovoltaic converters by 1.5 times. The new technology could lead to more effective and affordable solar energy solutions.
Researchers at Hokkaido University have developed a method to grow nanosized semiconductors on a gold surface using a gold butterfly-shaped nanostructure. The approach uses localized heat to trigger hydrothermal synthesis, enabling precise control over semiconductor formation.
Researchers at Northwestern University have developed a new semiconductor neutron detector that can absorb thermal neutrons and generate electrical signals. The material is highly efficient, stable, and can be used in small, portable devices for field inspections or large detectors for national security applications.
Researchers have created a new type of semiconductor neutron detector that boosts detection rates by reducing the number of steps involved in neutron capture and transduction. The LiInP2Se6 material converts neutrons into pairs of charged electrons and holes, generating a current directly detectable thermal neutrons.
Sufei Shi's lab at Rensselaer Polytechnic Institute has been working on fabricating high-quality transition metal dichalcogenides (TMDCs) to study their properties and potential applications. The researchers have found an exciting particle called an exciton, which holds a lot of energy that can survive at room temperature.
Researchers at the University of Illinois have developed a new heat model that can help improve the thermal conductivity and reduce defects in gallium nitride semiconductors. This could lead to longer-lasting electronic devices with improved reliability.
Researchers have discovered point defects in beta gallium oxide, which could impact its efficiency as a semiconductor. The defects can provide opportunities for unprecedented control of the material's properties if properly manipulated.
Researchers have successfully controlled the optical properties of semiconductors using acoustic waves at room temperature. This breakthrough enables the dynamical manipulation of excitonic properties at high speed, opening up new avenues for applications such as acousto-optic devices and sensor technology.
Researchers have developed a new material that combines semiconducting properties with intrinsic stretchability and full degradability. The material can be stretched to twice its normal length without compromising electrical performance and degrades completely within 10 days in a weak acid.
Researchers from Cardiff University have discovered metastability in gallium arsenide compound semiconductor material, a phenomenon that could affect device stability. The findings could lead to improved materials and structures for electronic devices, such as smartphones, GPS, and satellites.
Researchers have clarified a new synthesis mechanism for transition metal dichalcogenides (TMD), a type of semiconductor atomic sheet. The breakthrough enables the large-scale integration of atomic-order materials, paving the way for next-generation flexible electronics.
Researchers found that dislocations negatively impact carrier dynamics, leading to a four-fold increase in electron lifetime when defect densities are reduced. Halide perovskite has improved from 3% to 25% efficiency over the past decade.
A team of researchers discovered an effective method for removing lattice defects from crystals, particularly useful for semiconductor materials. By adding hydrogen and then annealing at low temperatures, they created an ordered phase of boron with a large unit cell, overcoming previous difficulties in achieving this structure.
Researchers at Tohoku University developed a new method to quantify the efficiency of crystal semiconductors, a crucial step towards creating more efficient light-emitting diodes (LEDs) and solar cells. The method uses photoluminescence spectroscopy to detect the emitted light energy, providing a unique indicator of the crystal's quality.
A team of engineers at Washington University in St. Louis has found a more stable, less toxic semiconductor for solar applications, made up of potassium, barium, tellurium, bismuth and oxygen (KBaTeBiO6). The new compound has a band gap of 1.88 eV, which is close to the halide perovskites, making it promising for solar cell applications.
Researchers at Tokyo Tech and NTT Advanced Technology Corporation have developed a low noise and high sensitivity MEMS accelerometer with a mass per area increase using multi-layer gold structures. This breakthrough enables high-resolution accelerometers to detect 1 μG level input acceleration, with applications in medical technology, ...
Researchers from ETH Zurich have discovered a way to boost polariton-polariton interaction, enabling strong coupling between matter and light. This breakthrough opens up new perspectives for photonics and many-body physics.
Scientists visualized the distribution and optical behavior of magnesium (Mg) ions in Gallium Nitride (GaN) using advanced microscopy techniques. This breakthrough enables mass production of p-type GaN semiconductors, a crucial component for high-performance energy-saving devices.
A team led by UC Riverside physicists has identified dark trions as a promising carrier of quantum information, with a lifetime of over 100 times longer than bright trions. This breakthrough could revolutionize information transmission and enable new ways of data transfer.
Researchers from Cardiff University have developed ultrafast Compound Semiconductor technology, creating highly sensitive avalanche photodiodes with lower electronic noise than silicon rivals. This breakthrough has the potential to yield new class of high-performance receivers for applications in networking and sensing.
Researchers at HZDR have developed nanowires with tunable shells, enabling them to operate over a wide energy range. This breakthrough increases the potential of nanowires for various applications, including LEDs and solar cells.
Scientists at NREL and partner institutions create large stability map of ternary nitrides, highlighting promising compositions for experimental discovery. The map uses computational materials science and machine-learning algorithms to accelerate the process, opening new avenues for nitride research.
Researchers at Rensselaer Polytechnic Institute have discovered a way to manipulate tungsten diselenide to enable faster, more efficient computing and quantum information processing. The findings lay the foundation for future development of next-generation computing and storage devices.
Allison Osmanson, a UTA doctoral student, has received a prestigious fellowship from the Semiconductor Research Corp. to work on microelectronics packaging. She will receive funding and technical guidance from Texas Instruments.
Researchers at Skoltech have developed new perovskite-inspired semiconductors with enhanced light-conversion efficiency of over 24% for solar cells. The materials overcome toxicity and stability issues by introducing bismuth and antimony halides, exhibiting record-high performance in solar cells.
Researchers at DGIST developed a graphene-based transmission line with improved electron speed, contributing to faster processing speeds in semiconductor and communication devices. The team increased device concentration inside graphene, reducing resistance and enhancing electrical characteristics.
Researchers at TU Wien develop innovative light-emitting diode by harnessing radiative decay of exciton complexes in ultra-thin layers, enabling precise control over desired light wavelengths.
Researchers at ICFO have developed an infrared detector using Bismuth Sulphide flakes with sulphur vacancies, creating extended in-gap states for sub-bandgap absorption. The resulting device has high gain, low noise, and sensitivity, enabling fast response times and broad spectral coverage.
Researchers develop qubits based on semiconductors, showcasing high control fidelity and integration with classical CMOS technology. Challenges include effective readout methods, uniform materials, and scalable designs to overcome obstacles in achieving fault-tolerant quantum computing.
Researchers at Stanford University have developed a new measurement technique that confidently shows the efficiency of quantum dots can compete with single crystals. This breakthrough could lead to the development of new technologies and materials requiring high semiconductor efficiency.
Researchers developed a hybrid chip that uses pulse-width encoding to conserve power. The chip enables small robots to operate for several hours on low power consumption, facilitating reconnaissance, search-and-rescue, and other missions. It also accommodates model-based programming and collaborative reinforcement learning.
A new Weyl semimetal delivers the largest intrinsic conversion of light to electricity, exceeding previous records by tenfold. The unique material exploits electron chirality for non-linear generation of direct current.
Researchers create a unique platform to study quantum optical physics on the nanoscale by stacking 2D materials at angles to trap particles. The team successfully traps hundreds of excitons using a moiré pattern, which can be controlled by a twist, enabling precise manipulation and interaction with individual excitons.
Scientists have developed a method to directly write quantum light sources into monolayer semiconductors, enabling precise placement and real-time design of arbitrary patterns of single photon emitters. This breakthrough paves the way for emerging applications in secure communications, sensing, and quantum computation.
A machine learning approach predicts changes in material properties from straining the material, enabling the engineering of new materials with tailored properties. The technique has implications for industries such as communications, information processing, and energy.
The study reveals that using a metallic substrate with higher chemical reactivity can significantly increase the phase transition yield of 2D-TMD materials. This method enables the easy achievement of structural phase transitions and opens possibilities for new device applications such as low contact resistance electrodes.
Researchers at the University of Groningen have produced devices with stable Germanene, revealing its electronic properties. The material exhibits insulating, semiconducting, and metallic conducting behavior depending on heat treatment, making it suitable for spintronic device applications.