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Breaking data transmission barriers: Innovations in data center interconnects

Researchers have developed a groundbreaking solution to overcome DAC challenges, achieving record-breaking data transmission performance. The innovative approach enables the transmission of signals at rates exceeding 124 GBd PAM-4/6 and 112 GBd PAM-8 over long distances using low-cost digital-to-analog converters.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics Nexus·DateJun 6, 2024

HKUST researcher developed liquid metal-based electronic logic device that mimics intelligent prey-capture mechanism of Venus flytrap

A research team led by HKUST developed a liquid metal-based electronic logic device that mimics the intelligent prey-capture mechanism of Venus flytraps. The device exhibits memory and counting properties, allowing it to respond intelligently to stimulus sequences without additional components.

SourceHong Kong University of Science and Technology·JournalNature Communications·TypeExperimental study·DateJun 6, 2024

GZ17-6.02 kills PDX isolates of uveal melanoma

Researchers found that GZ17-6.02 killed uveal melanoma cells by enhancing autophagy, inactivating key proteins, and reducing growth factors. The compound also interacted with doxorubicin and ERBB inhibitors to enhance tumor cell killing, suggesting potential as a single agent or combination therapy.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateMay 22, 2024

Escape the vapes: scientists call for global shift to curb consumer use of disposable technologies

Disposable vape sales quadrupled in the UK between 2022 and 2023, contributing to e-waste accumulation. The technology contains valuable resources like lithium, but recycling is often difficult due to lack of clear instructions. Experts call for urgent reform of disposable electronics practices to protect the environment.

SourceUniversity of Plymouth·JournalScience·TypeCommentary/editorial·DateApr 25, 2024

Magnetic with a pinch of hydrogen

A German-American research team has developed an innovative idea to improve the properties of ultra-thin magnetic materials by reacting them with hydrogen. The researchers have identified three promising candidates that can be magnetically activated by hydrogen passivation, paving the way for new types of electronic components.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNano Letters·TypeExperimental study·DateApr 22, 2024

A high-boost and high-efficiency DC power converter

The new circuit design uses resonant tank circuits to store energy during switching periods, reducing losses and increasing efficiency. It also employs a planar transformer for compactness and good thermal performance. The prototype achieved an unprecedented 91.3% energy efficiency and reduced electromagnetic noise.

SourceKobe University·JournalIEEE Transactions on Power Electronics·TypeExperimental study·DateApr 1, 2024

Lighting the way to noninvasive blood glucose monitoring using portable devices

A novel approach estimates metabolic activity and infers blood glucose levels from near-infrared measurements in commercial smartphones and smartwatches. The phase delay between oxyhemoglobin and deoxyhemoglobin signals closely relates to oxygen consumption during cardiac cycles, serving as a gauge for metabolism.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateMar 8, 2024

Combating fractional spurs in phase locked loops to improve wireless system performance in Beyond 5G

Scientists from Tokyo Tech propose two design techniques to minimize unwanted signals known as fractional spurs, which degrade phase noise in output of the PLL. The first technique uses a cascaded-fractional divider and achieves a -62.1dBc fractional spur, while the second technique employs a pseudo-differential DTC, resulting in an in...

SourceTokyo Institute of Technology·TypeExperimental study·DateFeb 16, 2024

Thermal impact of 3D stacking photonic and electronic chips

The study found that 3D integration can lead to significant heat spreading and crosstalk, reducing heater efficiency by up to -43.3% and increasing thermal crosstalk by up to +44.4%. However, optimizing design variables, such as spacing between µbumps and interconnect linewidth, can minimize the thermal penalty of 3D integration.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Optical Microsystems·DateDec 7, 2023

Cathode active materials for lithium-ion batteries could be produced at low temperatures

A team of researchers at Hokkaido University has developed a new method to synthesize layered lithium cobalt oxide (LiCoO2) at low temperatures, reducing synthesis time from hours to minutes. The hydroflux process produces crystalline LiCoO2 with properties only marginally inferior to commercially available materials.

SourceHokkaido University·JournalInorganic Chemistry·TypeExperimental study·DateOct 23, 2023

Researchers unveil new flexible adhesive with exceptional recovery and adhesion properties for electronic devices

Researchers have developed a new flexible adhesive with improved recovery capabilities and high adhesive strength, enabling applications in foldable displays and medical devices. The adhesive demonstrated remarkable stability under repeated deformation and strain, making it suitable for fields requiring flexibility and optical clarity.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalAdvanced Functional Materials·DateSep 19, 2023

Advancing the commercialization of two-dimensional materials: achieving the goal with UV-assisted atomic layer deposition”

A team of researchers has successfully created a high-performance graphene-dielectric interface using a novel technique called UV-assisted atomic layer deposition. This breakthrough results in uniform atomic layer deposition without compromising graphene's properties, leading to improved electrical performance and reduced defects.

SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Electronic Materials·DateAug 7, 2023

Cutting edge transistors for semiconductors of the future

Researchers at Lund University have created ferroelectric 'grains' that control tunnel junctions in transistors, allowing for individual-level control and optimization of material properties. This breakthrough enables the development of new circuit architectures for neuromorphic computing and energy-efficient semiconductors.

SourceLund University·JournalNature Communications·DateJul 3, 2023

The world’s first wood transistor

The team developed a working wood transistor that can regulate electric current without deteriorating, paving the way for wood-based electronics. The technology could potentially lead to applications such as regulating electronic plants, which is another strong research area at Linköping University.

SourceLinköping University·JournalProceedings of the National Academy of Sciences·DateApr 27, 2023

Study offers details on using electric fields to tune thermal properties of ferroelectric materials

Scientists from NC State University have discovered a way to manipulate the flow of heat through ferroelectric materials by applying different electric fields. The study, published in Advanced Materials, found that varying electric field strengths, types (AC/DC), time, and frequency can alter the thermal properties of these materials.

SourceNorth Carolina State University·JournalAdvanced Materials·TypeExperimental study·DateFeb 22, 2023

In pursuit of better batteries

A team of University of Missouri researchers is working to understand why solid-state lithium-ion batteries struggle with performance issues. They will use a specialized electron microscope and thin film polymer coatings to study the interface between the battery cathode and electrolyte, with the goal of developing an engineered interf...