Search results for transmission electron microscopy

Nanophysics Jun 18, 2026

Real-time microscopy reveals how semiconductor nanowires grow, and how bismuth seeds can speed their formation

Scientists from the National Graphene Institute at the University of Manchester and Sun Yat-sen University have captured the growth of semiconducting tellurium nanostructures in liquid in real time, revealing how tiny seed ...

Materials Science Jun 11, 2026

Extending cryo-electron microscopy beyond water

From paints and inks to catalysts and drug-delivery materials, many advanced technologies rely on substances dispersed in organic solvents. Yet directly observing these materials in their native liquid environments has remained ...

Optics & Photonics Jun 11, 2026

Physicists introduce phase contrast to electron microscopy, delivering sharper images of our body's tiniest proteins

Nearly 100 years ago, a seemingly simple discovery revolutionized the microscope. The introduction of phase contrast, which garnered a Nobel Prize in 1953, brought into clear view structures inside cells that had previously ...

Optics & Photonics Jun 11, 2026

Electron matter waves gain ultrafast torque that flips handedness in femtoseconds

Many natural processes, ranging from magnetism to chemical reactions, entail the movement and rotation of particles at very small scales. In quantum mechanics, particles exhibit both particle-like and wave-like behaviors, ...

Nanomaterials Jun 10, 2026

New iron–scandium catalyst extends carbon nanotube growth at high temperatures

Carbon nanotubes (CNTs) are among the most promising nanomaterials for future technologies because of their exceptional mechanical strength, electrical conductivity and thermal performance. However, translating these remarkable ...

Nanomaterials Jun 7, 2026

'Flawless on the outside, flipped within': Detecting hidden defects in 2D dielectrics with light

A material may appear flawless on the surface yet fail to function properly. The cause lies in structural defects hidden within two-dimensional thin films, which are considered key materials for next-generation semiconductor ...

Astronomy May 28, 2026

Chang'e-5 regolith studies reveal nanoscale space-weathering processes

On the moon, the lack of atmosphere and accompanying features such as biological activity, oxygen-rich air, flowing water and rain, wind, and most erosion allows the lunar regolith to preserve a long-term record of surface ...

Bio & Medicine May 19, 2026

New shell helps gold nanoparticles keep shape under laser heat longer

Gold nanoparticles, which are about one-thousandth the width of a human hair, can convert light they receive from a laser into heat. This capacity, known in medicine as photothermal therapy, is effective at destroying cancer ...

Bio & Medicine May 12, 2026

Engineered exosomes reverse sleep deprivation brain damage in mice

Sleep is a vital physiological process that allows humans and other animals to restore both the mind and body, while also consolidating memories, clearing out toxins and regulating their metabolism. Several past studies showed ...

Condensed Matter May 8, 2026

The first direct observation of laser-created isolated hopfions

Over the past few decades, some physicists worldwide have been investigating unusual particle-like magnetic structures known as topological solitons. These structures could potentially be leveraged to develop new cutting-edge ...

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