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Search results for scanning electron microscopy

Nanomaterials Dec 1, 2021

Developing wafer-scale highly oriented graphene on sapphire

Researchers have used direct chemical vapor deposition (CVD) growth of wafer-scale, high-quality graphene on dielectrics for versatile applications. However, graphene synthesized this way has shown a polycrystalline film ...

General Âé¶¹ÒùÔºics Dec 1, 2021

Magnons vs electrons: A new spin on computer processing

In 1965, Gordon Moore of Intel predicted that microprocessors would double in speed and capacity every couple of years. This prediction, now known as "Moore's Law," has with some modification in 1975 been reliably prophetic ...

Nanomaterials Nov 29, 2021

Scientists capture electron transfer image in electrocatalysis process

The involvement between electron transfer (ET) and catalytic reaction at electrocatalyst surface makes electrochemical process challenging to understand and control. How to experimentally determine ET process occurring at ...

Materials Science Nov 26, 2021

Thermoelectric crystal conductivity reaches a new high

Just as a voltage difference can generate electric current, a temperature difference can generate a current flow in thermoelectric materials governed by its "Peltier conductivity" (P). Now, researchers from Japan demonstrate ...

Plants & Animals Nov 23, 2021

New species of green microalga identified in São Paulo

A group led by researchers affiliated with the Phycology Laboratory at the Federal University of São Carlos (UFSCar) in the state of São Paulo, Brazil, have discovered a new species of green microalga in a reservoir located ...

Bio & Medicine Nov 18, 2021

Cancer cells use 'tiny tentacles' to suppress the immune system

To grow and spread, cancer cells must evade the immune system. Investigators from Brigham and Women's Hospital and MIT used the power of nanotechnology to discover a new way that cancer can disarm its would-be cellular attackers ...

Nanomaterials Nov 15, 2021

Spiral self-assembly of lamellar micelles into multi-shelled hollow nanospheres with unique chiral architecture

It is challenging to develop functional carbon nanospheres with well-defined porosity and complex multi-shelled nanostructures. In a new report now published in Science Advances, Liang Peng and a research team in chemistry ...

General Âé¶¹ÒùÔºics Nov 11, 2021

First observation of an inhomogeneous electron charge distribution on an atom

Until now, observing subatomic structures was beyond the resolution capabilities of direct imaging methods, and this seemed unlikely to change. Czech scientists, however, have presented a method with which they became the ...

Bio & Medicine Nov 10, 2021

New imaging method gives live glimpse into how cells work

By combining two microscopy methods, EPFL researchers are able to see what is happening inside a cell and on its membrane simultaneously, giving unprecedented insight into the cellular processes that occur during infection, ...

Nanomaterials Nov 5, 2021

Nanoscale self-assembling salt-crystal 'origami' balls envelop liquids

Researchers have developed a technique whereby they can spontaneously encapsulate microscopic droplets of water and oil emulsion in a tiny sphere made of salt crystals—sort of like a minute, self-constructing origami soccer ...

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