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Unprecedented view of a single catalyst nanoparticle at work

X-rays reveal compositional changes on active surface under reaction conditions

05-Oct-2021

A DESY-led research team has been using high-intensity X-rays to observe a single catalyst nanoparticle at work. The experiment has revealed for the first time how the chemical composition of the surface of an individual nanoparticle changes under reaction conditions, making it more active. The ...

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X-ray insights may enable better plastics production

Analysis helps to understand fragmentation of catalyst particles in ethylene polymerisation

30-Sep-2021

An X-ray study at DESY is pointing the way towards a better understanding of plastics production. A team led by Utrecht University investigated so-called Ziegler-type catalysts, the workhorses in the world's polyethylene and polypropylene production, at DESY's X-ray source PETRA III. As the ...

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Opening of Start-up Labs Bahrenfeld

28-Sep-2021

The future is moving in: Start-up Labs Bahrenfeld, a project jointly managed by DESY, the University of Hamburg and the City of Hamburg, is the new place for science entrepreneurship on DESY’s research campus. The innovation centre for deep-tech start-ups will also enhance the profile of the ...

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Table-top electron camera catches ultrafast dynamics of matter

DESY team demonstrates first Terahertz enhanced electron diffractometer

19-Aug-2021

Scientists at DESY have built a compact electron camera that can capture the inner, ultrafast dynamics of matter. The system shoots short bunches of electrons at a sample to take snapshots of its current inner structure and is the first such electron diffractometer that uses Terahertz radiation ...

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Unexpected twist of catalytic nanoparticles

Precise orientation affects shape, size and behaviour

16-Aug-2021

Nanoparticles that make up catalysts can arrange themselves in slightly different ways, and behave significantly differently as a result. This is revealed by an X-ray study of palladium nanoparticles carried out at DESY Nanolab and PETRA III. The study has been published in the journal ACS Nano ...

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Astonishing diversity: Semiconductor nanoparticles form numerous structures

X-ray study reveals how lead sulphide particles self-organise in real time

13-Aug-2021

The structure adopted by lead sulphide nanoparticles changes surprisingly often as they assemble to form ordered superlattices. This is revealed by an experimental study that has been conducted at DESY’s X-ray source PETRA III. A team led by the DESY scientists Irina Lokteva and Felix Lehmkühler, ...

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Dance of the molecules: New methods of producing tailor-made materials

Scientists observe vibrational dynamics of organic acid molecules on iron oxide surface

03-May-2021

A Hamburg research team is paving the way for new methods of producing tailor-made materials: for the first time, the scientists from DESY NanoLab and the Hamburg University of Technology (TUHH) have deciphered the collective arrangement of organic acid molecules on an iron oxide surface at the ...

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Plasma acceleration: It’s all in the mix

A pinch of nitrogen and artificial intelligence are moving laser plasma acceleration a big step closer to practical applications

29-Apr-2021

The LUX team at DESY is celebrating not just one but two milestones in the development of innovative plasma accelerators. The scientists from the University of Hamburg and DESY used their accelerator to test a technique that allows the energy distribution of the electron beams produced to be kept ...

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The egg in the X-ray beam

Innovative time-resolved study reveals network formation and dynamics of proteins

31-Mar-2021

Using DESY's X-ray light source PETRA III, a research team has analysed the structural changes in eggs during cooking. The study shows how the proteins in chicken egg whites unfold and crosslink during heating to form a solid structure. The innovative investigation method is interesting for the ...

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Researchers watch nanomaterials growing in real time

New world record in the temporal resolution achieved using GISAXS, a surface-sensitive scattering technique

17-Feb-2021

For the first time, a team of scientists has succeeded in capturing in real time the first few milliseconds in the life of a gold coating as it forms on a polymer. The team used DESY’s high-brilliance X-ray source PETRA III to observe the earliest stages in the growth of a metal-polymer hybrid ...

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