New Scanning Helium Microscope that will open scientific doors

Saturday 21st of May 2016

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The microscope has been developed at the Newcastle University and UK’s University of Cambridge.
Associate professor Paul Dastoor from the Newcastle University has been working on the scanning helium microscope (SHeM) for 20 years.
World’s first Scanning Helium Microscope (SHeM) to examine materials without disturbing them.

The SHeM was developed by the team of researchers from University of Newcastle (UON) led by Professor Paul Dastoor in collaboration with researchers from the University of Cambridge.

SHeM possesses short De Broglie wavelength of the helium ions and very high source brightness.

It enables to obtain high quality data which is not at all achievable with conventional microscopes which use photons or electrons as

the emitting source.

SHeM vs Conventional microscopes

The SHeM is an imaging technology based on a scanning helium ion beam to penetrate samples without damaging them. However, conventional electronic microscopes use light to penetrate samples, which has major drawback as it can damage them.

Significance: The SHeM facilitate scientists to study human, animal, and plant samples, as well as pharmaceutical drugs and computer chips, without damaging or changing them. It will also provide new insights into structures at a microscopic level.

Applications: SHeM will be useful in major industries such as defence, explosives, information technology and solar energy. It will also help in clean-up of toxic or radioactive spills, without harming the surrounding flora or fauna.

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