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Hermetically sealed semi-conductors

New encapsulation technique protects electronic properties of sensitive materials

30-Jan-2020

Tomorrow’s electronics are getting ever smaller. Researchers are thus searching for tiny components that function reliably in increasingly narrow configurations. Promising elements include the chemical compounds indium selenide (InSe) and gallium selenide (GaSe). In the form of ultra-thin layers, ...

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Green hydrogen: research to enhance efficiency

Experiment comes up with important steps towards optimizing water electrolysis

11-Dec-2019

Laboratory experiments and a parabolic flight campaign have enabled an international team of researchers from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) to gain new insights into water electrolysis, in which hydrogen is obtained from water by applying electric energy. Water electrolysis ...

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Tomorrow's coolants of choice

Scientists assess the potential of magnetic-cooling materials

18-Sep-2019

Later during this century, around 2060, a paradigm shift in global energy consumption is expected: we will spend more energy for cooling than for heating. Meanwhile, the increasing penetration of cooling applications into our daily lives causes a rapidly growing ecological footprint. New ...

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A laser for penetrating waves

Research team develops a new principle to generate terahertz radiation

20-Aug-2019

The "Landau-level laser" is an exciting concept for an unusual radiation source. It has the potential to efficiently generate so-called terahertz waves, which can be used to penetrate materials as well as for future data transmission. So far, however, nearly all attempts to make such a laser ...

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Shell increases versatility of nanowires

Laboratory experiments show that semiconductor nanowires can be tuned over wide energy ranges

28-Jun-2019

Nanowires promise to make LEDs more colorful and solar cells more efficient, in addition to speeding up computers. That is, provided that the tiny semiconductors convert electric energy into light, and vice versa, at the right wavelengths. A research team at Helmholtz-Zentrum Dresden-Rossendorf ...

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Frustrated materials under high pressure

Researchers modify magnetic behavior of exotic materials

26-Apr-2019

People are not the only ones to be occasionally frustrated. Some crystals also show frustrations. They do so whenever their elementary magnets, the magnetic spins, cannot align properly. Cesium copper chloride (Cs2CuCl4) – or CCC for short – is a prime example of frustrated materials. In this ...

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Let’s not make big waves

A team of researchers generates ultra-short spin waves in an astoundingly simple material

29-Mar-2019

Due to its potential to make computers faster and smartphones more efficient, spintronics is considered a promising concept for the future of electronics. In a collaboration including the Max Planck Institute for Intelligent Systems (MPI-IS) and the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), a ...

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‘Bio-fishing’ for rare earths

How protein fragments can be used for the recycling of electronics waste

17-Oct-2018

Without important key elements such as copper or rare earth metals, the electronics industry would grind to a halt and electricity would cease to flow. End-of-life products like discarded energy-saving lamps, mobile phones and computers could provide an important secondary source for these ...

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Graphene enables clock rates in the terahertz range

Researchers pave the way for nanoelectronics of the future

12-Sep-2018

Graphene is considered a promising candidate for the nanoelectronics of the future. In theory, it should allow clock rates up to a thousand times faster than today’s silicon-based electronics. Scientists from the Helmholtz Zentrum Dresden-Rossendorf (HZDR) and the University of Duisburg-Essen ...

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Smart tomographic sensors control industrial processes of tomorrow

HZDR coordinates European Doctoral Training Network TOMOCON

01-Sep-2017

Modern parallel computer architectures are capable of processing huge amounts of data at high speed. This allows for the increasing use of imaging techniques as sensors to control machines and process plants. In the new European collaborative project TOMOCON twelve research institutions and 15 ...

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