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Helmholtz-Zentrum Dresden-Rossendorf


Hidden Harmonies

Researchers discovered a novel energy transfer channel between magnons and phonons in an antiferromagnet under Fermi resonance, enabling future control of such systems for faster data storage. This breakthrough could lead to increased operational frequencies and enhanced efficiency of magnetic writing.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateAug 7, 2024

Metamaterials for the data highway

Scientists from HZDR, TU Chemnitz, TU Dresden, and Forschungszentrum Jülich have demonstrated the storage of entire bit sequences in cylindrical domains. The team's findings could lead to novel types of data storage and sensors, including magnetic variants of neural networks.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAdvanced Electronic Materials·TypeExperimental study·DateJul 16, 2024

Flow research on the outskirts of space

A European research team conducted experiments in weightlessness to isolate the classic diffusion phenomenon, closing the gap with experimental validation. The study used a sounding rocket to create a state of almost complete weightlessness, allowing researchers to run their experiments automatically.

SourceHelmholtz-Zentrum Dresden-Rossendorf·Journalnpj Microgravity·TypeExperimental study·DateJun 4, 2024

Rethinking the sun’s cycles

The study presents a comprehensive physical explanation for the sun's activity cycles, attributing them to Rossby waves mediated by planetary tidal influences. This model successfully explains the Schwabe cycle and other solar cycles, providing strong evidence for the planetary hypothesis.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalSolar Physics·TypeObservational study·DateMay 27, 2024

Milestone in plasma acceleration

The HZDR team has made a significant advance in laser plasma acceleration, achieving energies of up to 150 MeV for protons. This breakthrough opens up promising applications in medicine and materials science, including new radiobiological concepts for tumor treatment.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Physics·TypeExperimental study·DateMay 13, 2024

Magnetic with a pinch of hydrogen

A German-American research team has developed an innovative idea to improve the properties of ultra-thin magnetic materials by reacting them with hydrogen. The researchers have identified three promising candidates that can be magnetically activated by hydrogen passivation, paving the way for new types of electronic components.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNano Letters·TypeExperimental study·DateApr 22, 2024

Quantum talk with magnetic disks

A Helmholtz-Zentrum Dresden-Rossendorf research team introduces a new approach for transducing quantum information by harnessing the magnetic field of magnons within microscopic magnetic disks. This method could enable more efficient and effective control over qubits, paving the way for practical quantum computing applications.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalScience Advances·DateMar 20, 2024

Quantum films on plastic

A research team has discovered a material that exhibits non-linear Hall effect, which could be applied in technologies for controlled use of terahertz high-frequency signals on electronic chips. The thin-layer films can be applied to plastic substrates and control the effect through micro-fabrication.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Electronics·TypeExperimental study·DateFeb 28, 2024

HZDR team develops a new approach for fast and cost-effective pathogen detection

A research team at Helmholtz-Zentrum Dresden-Rossendorf develops a new approach for fast and cost-effective pathogen detection using miniaturized biosensor devices and systems. The system can simultaneously carry out up to thirty-two analyses of one sample, offering significant advantages over traditional electronic FET-based biosensors.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalBiosensors and Bioelectronics·DateFeb 7, 2024

Tracking unconventional superconductivity

Researchers at HZDR have discovered a new superconductor that remains stable under extremely high magnetic fields. This breakthrough offers potential for groundbreaking technological advancements. The material, UTe2, exhibits spin-triplet superconductivity and can withstand magnetic fields up to 73 tesla, setting a record.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateJan 31, 2024

Magnetization by laser pulse

Researchers at Helmholtz-Zentrum Dresden-Rossendorf have identified a promising phenomenon where certain iron alloys can be magnetized using ultrashort laser pulses. The team has now expanded its findings to an iron-vanadium alloy, revealing a new class of materials with potential applications in spintronics and magnetic sensors.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAdvanced Functional Materials·TypeExperimental study·DateDec 7, 2023

Tiny electromagnets made of ultra-thin carbon

Researchers at Helmholtz-Zentrum Dresden-Rossendorf have developed tiny electromagnets made of ultra-thin carbon, graphene, using terahertz pulses. The graphene discs briefly turned into strong magnets, with magnetic fields in the range of 0.5 Tesla, and showed promise for developing future magnetic switches and storage devices.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateDec 4, 2023

Exploding stars

Researchers from Helmholtz-Zentrum Dresden-Rossendorf are studying near-Earth cosmic explosions to understand their potential impact on the Earth's biosphere. They found that ejected debris can reach our solar system, with some isotopes, such as iron-60 and plutonium-244, potentially coming from supernovae or other galactic events.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAnnual Review of Nuclear and Particle Science·TypeSystematic review·DateNov 2, 2023

Frosty hydrogen as target

A new technique uses frozen hydrogen as a target for high-power laser pulses, improving proton acceleration efficiency and paving the way for advanced tumor therapy concepts. The method generates multiple proton bunches per second and optimizes the process through AI algorithms.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateJul 31, 2023

Machine learning takes materials modeling into new era

A new machine learning-based simulation method called Materials Learning Algorithms (MALA) has been developed, enabling accurate electronic structure calculations at large scales. MALA achieves this by utilizing a hybrid approach that combines physics-based approaches with machine learning to predict the electronic structure of materials.

SourceHelmholtz-Zentrum Dresden-Rossendorf·Journalnpj Computational Materials·TypeComputational simulation/modeling·DateJul 7, 2023

Ultrafast and tunable

A study by the Helmholtz-Zentrum Dresden-Rossendorf team demonstrates efficient conversion of high-frequency signals into visible light using graphene-based materials. The mechanism involves a thermal radiation process, and the conversion is ultrafast and tunable.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNano Letters·TypeExperimental study·DateJun 15, 2023

Mission to beat rare cancers

Researchers at Helmholtz-Zentrum Dresden-Rossendorf developed a new strategy to increase target molecules for radionuclide therapy in pheochromocytoma tumors, delaying tumor growth. The combination of valproic acid and decitabine prior to therapy doubled the radiation dose absorbed by the tumor.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalTheranostics·TypeExperimental study·DateFeb 9, 2023

Not all mushrooms are alike

A team of scientists from the Helmholtz-Zentrum Dresden-Rossendorf investigated how four different fungal species interact with europium, a rare earth element. They found that fungi like the Split-Gill can bind up to four times more europium compared to other species, and that the binding site and transport mechanisms differ among them.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalScience of The Total Environment·TypeExperimental study·DateDec 20, 2022

Milestone for laser technology

A team of researchers from Synchrotron SOLEIL, France, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany, has successfully demonstrated a free-electron laser driven by plasma acceleration and seeded by additional light pulses. This achievement could lead to the development of more compact and affordable FEL systems.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Photonics·TypeExperimental study·DateDec 5, 2022

An exotic interplay of electrons

An international team has discovered a quantum state in which atomic alignment does not order at ultracold temperatures, unlike usual behavior. This liquid-like quantum state could be used to develop highly sensitive quantum sensors, enabling precise registration of magnetic fields or temperatures.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Physics·DateDec 1, 2022

A nanoscale view of bubble formation

A German-Chinese research team has created a more precise understanding of the behavior of tiny droplets and vapor bubbles using computer simulation. The findings have the potential to improve cooling systems for microprocessors and enhance the efficiency of green hydrogen production, as well as aid in the development of new materials.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalJournal of Colloid and Interface Science·TypeComputational simulation/modeling·DateNov 23, 2022

Making nanodiamonds out of bottle plastic

Researchers at Helmholtz-Zentrum Dresden-Rossendorf have successfully created nanodiamonds out of PET plastic using powerful laser flashes. This breakthrough method opens up new possibilities for producing these minuscule diamonds, which are needed for highly-sensitive quantum sensors and medical contrast agents.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalScience Advances·TypeExperimental study·DateSep 2, 2022

Surprising turbulence

Researchers at HZDR simulated liquid metal flow behavior and found that turbulence under certain conditions leads to reduced heat transport. This finding has implications for battery technology and our understanding of the Earth's core.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalPhysical Review Letters·TypeExperimental study·DateMay 20, 2022

Laser flashes for cancer research

A research team at Helmholtz-Zentrum Dresden-Rossendorf has successfully tested irradiation with laser-accelerated protons on animals, paving the way for optimal radiation therapy. The method could make a decisive contribution to improving proton therapy, which is currently more complex and expensive than X-ray therapy.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Physics·TypeExperimental study·DateMar 14, 2022

Speeding through nanowire

Researchers discovered that applying tension to nanowires significantly enhances electron mobility, allowing for faster transistor switching and lower energy requirements. The core-shell nanowires demonstrated a 30% increase in electron speed compared to strain-free or bulk gallium arsenide.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·TypeExperimental study·DateFeb 7, 2022

Bringing the Sun into the lab

Researchers create laboratory model to experimentally confirm the behavior of plasma waves as predicted by theory. By studying the properties of liquid metals and high magnetic fields, they successfully generate Alfvén waves in a molten alkali metal, breaking through the sound barrier for the first time.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalPhysical Review Letters·TypeExperimental study·DateJan 3, 2022

Trapping spins with sound

Scientists demonstrate acoustic manipulation of electron spins in silicon carbide, enabling efficient control of magnetic quantum properties. The technique uses surface acoustic waves to tune the spin state, preventing information loss and paving the way for more affordable quantum technologies.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalScience Advances·TypeExperimental study·DateNov 1, 2021

An X-ray view of carbon

A team of scientists has developed a new X-ray measurement method that can analyze the chemical properties of warm dense matter, a state found in planetary interiors. The method uses the strongest X-ray laser to probe carbon's bonding states, providing new insights into planetary formation and potential applications in materials science.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalPhysics of Plasmas·DateOct 5, 2021

The sun's clock

Researchers propose comprehensive explanation of sun cycles based on planetary attractive forces, reproducing known solar activity fluctuations. However, long-term forecasts become impossible due to chaotic process in activity over thousands of years.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalSolar Physics·DateJun 11, 2021

Electrons riding a double wave

Researchers have developed a novel hybrid accelerator that uses both plasma acceleration and electron bunches to accelerate particles to high energies. The new technology has the potential to shrink existing accelerators by up to 1000 times, making them more compact and cost-effective.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Communications·DateMay 20, 2021

Pancake strategy for the win

Researchers at HZDR have created a novel method for growing magnetic thin-film materials that host skyrmions, tiny magnetic vortices promising for high data storage and processing capacities. The new process involves rapid heating with brief flashes of light to prevent undesired crystal phases, resulting in stable skyrmion formation.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAdvanced Functional Materials·DateMar 31, 2021

Split wave

A new approach to neuromorphic computing has been demonstrated using micrometer-sized wafers, enabling fast and energy-efficient pattern recognition. The HZDR team's component exploits spin waves to process information without moving electrons, promising applications in AI-powered smartphones and traffic optimization.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalPhysical Review Letters·DateDec 7, 2020