Tag Archives: Materials Sciences

Thin-Film Coating Boosts X-Ray Instrument Performance

Researchers developed optimized coatings for diffraction gratings that use thin-film interference to double the light reaching the sample, capturing power otherwise lost to absorption. Continue reading

Posted in Berkeley Lab | Tagged , , , , | Leave a comment

Patterned Surface Sustains Ultrahigh Vacuum

The 3D-printed fitting could help to miniaturize cold-atom sensors by reducing the need for continuous pumping. Continue reading

Posted in APS Physics | Tagged , , | Leave a comment

A Very Stable Mirror

A crystalline mirror coating significantly reduces fluctuations in the resonant frequency of an optical cavity. Continue reading

Posted in APS Physics | Tagged , , | Leave a comment

X-Ray–Optical Technique Detects Subtle Signal

A high-sensitivity measurement reveals the asymmetric shifts of electrons along atomic bonds. Continue reading

Posted in APS Physics | Tagged , , , | Leave a comment

Spectroscopy Technique Reveals Nanoscale Acoustic Waves

Imaging using extreme ultraviolet scattering shows that optical pulses can generate surface excitations with spectra that were previously difficult to achieve. Continue reading

Posted in APS Physics | Tagged , , , , | Leave a comment

Active Matter Gets Solid

Researchers have determined the mechanical properties of a tiny beam made of active particles, laying the groundwork for future micromachines. Continue reading

Posted in APS Physics | Tagged , , | Leave a comment

Active Matter Breaks like an Amorphous Plastic

Shearing a dusty plasma with a laser shows how vibrational modes lead to weak points in an amorphous active system. Continue reading

Posted in APS Physics | Tagged , , , | Leave a comment

Magnetic Topological Insulators Have an Edgy Side

Edge currents are observed in a magnetic topological insulator even when conventional theory says that they should not. Continue reading

Posted in APS Physics | Tagged , , , , | Leave a comment

Amorphous Ice Is Partly Crystalline

Evidence builds against the long-held notion that water ice can be truly glassy. Continue reading

Posted in APS Physics | Tagged , , , | Leave a comment

Birefringent Nanocubes Give Light a Circular Boost

An achiral metasurface selectively transmits two beams of opposite chirality. Continue reading

Posted in APS Physics | Tagged , , , | Leave a comment