Superconductors: Amazingly orderly disorder

Surprising effect discovered: the atoms are arranged in a completely disordered manner but produce magnetic order

19-May-2025 - Superconductivity is one of the central topics in modern materials science: certain materials can conduct electrical current without any resistance – at least below a certain temperature. However, how to produce materials that still exhibit this property at higher temperatures remains an unsolved ...

Nature of Superconductivity in Hydrogen-Rich Compounds

High-pressure electron tunneling spectroscopy reveals a superconducting gap in H₃S and D₃S.

25-Apr-2025 - Scientists have achieved a major milestone in the quest to understand high-temperature superconductivity in hydrogen-rich materials. Using an electron tunneling spectroscopy under high pressure, the international research team led by the Max Planck Institute for Chemistry has measured the ...

Novel surface superconductivity discovered in topological material

Milestone in materials research

20-Dec-2024 - An international research team, in which the University of Wuppertal is also involved, has demonstrated a new form of superconductivity in the material platinum bismuth (PtBi₂). The results have now been published in the journals "Nature Communications" and "Advanced Physics Research". "Our ...

Shedding light on superconducting disorder

25-Sep-2024 - The importance of disorder in physics is only matched by the difficulty to study it. For example, the remarkable properties of high-temperature superconductors are greatly affected by variations in the chemical composition of the solid. Techniques that enable measurements of such disorder and its ...

Quantum Annealer Improves Understanding of Quantum Many-Body Systems

27-Jun-2024 - Physicists have long been pursuing the idea of simulating quantum particles with a computer that is itself made up of quantum particles. This is exactly what scientists at Forschungszentrum Jülich have done together with colleagues from Slovenia. They used a quantum annealer to model a real-life ...

Breakthrough Research Uncovers Hidden Phenomena in Ultra-Clean Quantum Materials

"This situation was very exciting but also puzzling"

27-Jun-2024 - Researchers have reported previously unobserved phenomena in an ultra-clean sample of the correlated metal SrVO3. The study challenges existing theoretical models by providing new experimental insights into these unusual metals. The team demonstrated that high-purity SrVO3 exhibits unique ...

NUS researchers develop a novel strategy for growing two-dimensional transition metal dichalcogenides

This approach provides a promising method for phase engineering of 2D TMDs and fabricating 2D heterostructure devices

30-May-2024 - Two-dimensional transition metal dichalcogenides (2D TMDs) exhibit various polymorphic structures, including 2H (trigonal prismatic), 1T (octahedral), 1T′ and Td phases. These phases confer a range of properties such as superconductivity, ferroelectricity and ferromagnetism. By manipulating these ...

Scientists mix and match properties to make new superconductor with chiral structure

Fine tuning crystal symmetry and superconductivity using solid solution methods

06-Feb-2024 - Researchers from Tokyo Metropolitan University have created a new superconductor with a chiral crystalline structure by mixing two materials, one with superconductivity but no chirality, another with chirality but no superconductivity. The new platinum-iridium-zirconium compound transitions to a ...

Tracking unconventional superconductivity

Research team presents heavyweight champion

02-Feb-2024 - At low enough temperatures, certain metals lose their electrical resistance and they conduct electricity without loss. This effect of superconductivity is known for more than hundred years and is well understood for so-called conventional superconductors. More recent, however, are unconventional ...

High-temperature superconductors, with a twist?

Fabrication method could facilitate materials discovery

20-Dec-2023 - Superconductors have intrigued physicists for decades. But these materials, which allow the perfect, lossless flow of electrons, usually only exhibit this quantum-mechanical peculiarity at temperatures so low – a few degrees above absolute zero – as to render them impractical. A research team led ...