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Search results for electron tomography

Nanophysics May 12, 2021

Observing individual atoms in 3D nanomaterials and their surfaces

Atoms are the basic building blocks for all materials. To tailor functional properties, it is essential to accurately determine their atomic structures. KAIST researchers observed the 3D atomic structure of a nanoparticle ...

Materials Science Apr 14, 2021

Why do some alloys become stronger at room temperature?

An alloy is typically a metal that has a few per cent of at least one other element added. Some aluminum alloys have a seemingly strange property.

Plants & Animals Apr 14, 2021

Auxin makes the spirals in gerbera inflorescences follow the Fibonacci sequence

When people are asked to draw the flower of a sunflower plant, almost everyone draws a large circle encircled by yellow petals.

Evolution Mar 31, 2021

Insight into the evolution of bones

A joint team of paleontologists has now for the first time analyzed bone structures in 400 million-year-old fossils of marine life at unprecedentedly high resolution and in 3D. To be able to view these structures, tomography ...

Materials Science Mar 31, 2021

Century-old problem solved with first-ever 3D atomic imaging of an amorphous solid

Glass, rubber and plastics all belong to a class of matter called amorphous solids. And in spite of how common they are in our everyday lives, amorphous solids have long posed a challenge to scientists.

Optics & Photonics Mar 29, 2021

Object classification through a single-pixel detector

Machine vision systems have many applications, including self-driving cars, intelligent manufacturing, robotic surgery and biomedical imaging, among many others. Most of these machine vision systems use lens-based cameras, ...

Biotechnology Mar 24, 2021

Zooming in on muscle cells has produced the first high-resolution 3D image of the sarcomere

An international team, led by Stefan Raunser, Director at the Max Planck Institute of Molecular Âé¶¹ÒùÔºiology in Dortmund, in collaboration with Mathias Gautel at the King's College in London, has produced the first high-resolution ...

Materials Science Mar 17, 2021

New aluminum and samarium hexaboride-based composite material with near-zero expansion

Precision or invar alloys have been developed by scientists for many centuries. These iron and nickel-based alloys are capable of keeping their size unchanged within a given range of temperatures. Because of this, they are ...

General Âé¶¹ÒùÔºics Mar 12, 2021

New perovskite LED emits a circularly polarized glow

Light-emitting diodes (LEDs) have revolutionized the displays industry. LEDs use electric current to produce visible light without the excess heat found in traditional light bulbs, a glow called electroluminescence. This ...

Nanomaterials Mar 4, 2021

A COSMIC approach to nanoscale science

COSMIC, a multipurpose X-ray instrument at Lawrence Berkeley National Laboratory's (Berkeley Lab's) Advanced Light Source (ALS), has made headway in the scientific community since its launch less than 2 years ago, with groundbreaking ...

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