Writing with the electron beam—now in silver

When it comes to extremely fine, precise features, a scanning electron microscope (SEM) is unrivaled. A focused electron beam can directly deposit complex features onto a substrate in a single step (Electron-Beam-Induced ...

Imprinting nano-patterns in metals

Materials scientists at the TU Darmstadt are imprinting nano-patterns in metals, a technology that could give metallic surfaces permanent functionality, like a lotus effect or reduced frictional properties.

Creating the tiniest structures on surfaces

Nanotechnology is regarded as the key technology of the 21st century, delivering the fundamental methods, which allow objects just a few hundred nanometers in size to be produced in any required shape. These objects find ...

Scientists bear witness to birth of an ice cloud

Scientists have witnessed the birth of atmospheric ice clouds, creating ice cloud crystals in the laboratory and then taking images of the process through a microscope, essentially documenting the very first steps of cloud ...

Fine-grained microstructure could toughen protective coatings

Hard materials like chromium nitride are used as wear and corrosion protection coatings in a wide range of applications, including metal cutting. Now, A*STAR researchers have discovered exactly how such materials behave when ...

Tiny gold grids yielding secrets

Ordered patterns of gold nanoparticles on a silicon base can be stimulated to produce collective electron waves known as plasmons that absorb only certain narrow bands of light, making them promising for a wide range of arrays ...

Super Pit relic revealed as new mineral

Kalgoorlie-Boulder's famous Golden Mile and Super Pit has not only produced more than 50 million ounces of gold but it has now produced one more precious nugget in the form of a new mineral unique to Kalgoorlie-Boulder, called ...

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