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A closer look at superconductors

A new measuring method helps understand the physics of high-temperature superconductivity

11-May-2020

From sustainable energy to quantum computers: high-temperature superconductors have the potential to revolutionize today’s technologies. Despite intensive research, however, we still lack the necessary basic understanding to develop these complex materials for widespread application. "Higgs ...

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Broad spectrum: Novel hybrid material proves an efficient photodetector

14-Apr-2020

Digital cameras as well as many other electronic devices need light-sensitive sensors. In order to cater for the increasing demand for optoelectronic components of this kind, industry is searching for new semiconductor materials. They are not only supposed to cover a broad range of wavelengths ...

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Peppered with gold

Research team presents novel transmitter for terahertz waves

18-Mar-2020

Terahertz waves are becoming ever more important in science and technology. They enable us to unravel the properties of future materials, test the quality of automotive paint and screen envelopes. But generating these waves is still a challenge. A team at Helmholtz-Zentrum Dresden-Rossendorf ...

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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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