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Vibrational spectroscopy of lead-free potassium sodium niobate and related perovskite ferroelectrics

This study investigates the vibrational spectroscopy of lead-free potassium sodium niobate and related perovskite ferroelectrics. Raman and Brillouin scattering spectroscopies are used to analyze the lattice dynamical properties, phase transitions, and physical properties of KNN single crystals and solid solutions.

SourceELSP·JournalElectronics and Signal Processing·TypeLiterature review·DateApr 29, 2025

A fragment of human brain, mapped

A team of Harvard researchers, led by Jeff Lichtman, has created the largest synaptic-resolution, 3D reconstruction of a piece of human brain to date. The dataset contains 1,400 terabytes of data on neural connections in a tiny piece of human temporal cortex.

SourceHarvard University·JournalScience·TypeData/statistical analysis·DateMay 9, 2024

Mixed-dimensional transistors enable high-performance multifunctional electronic devices

Researchers at City University of Hong Kong developed mixed-dimensional anti-ambipolar transistors for multifunctional electronics, enabling higher information density and lower power consumption. The new technology paves the way for simplified chip circuit design and versatile applications in digital and analog signal processing.

SourceCity University of Hong Kong·JournalDevice·TypeExperimental study·DateFeb 23, 2024

A golden ticket to smaller electronics

A team of researchers at Osaka University developed a new method for direct three-dimensional bonding of copper electrodes using silver, enabling reliable connections at low temperatures without external pressure. The process can be performed under gentle conditions, resulting in permanent connections as small as 20 micrometers.

FAA funds Northwestern research on aging wiring

Researchers at Northwestern University are developing a non-destructive test to detect small flaws, latent flaws, and general degradation in commercial aircraft wiring. The FAA is funding the $450,000 grant, which aims to improve aircraft safety by identifying critical degradation levels of aging wiring without removal from its location.