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Magnetic field during catalyst synthesis triples ammonia yield

Applying an external magnetic field during the synthesis of CoFe2O4 electrocatalysts triples the ammonia yield during electrocatalytic conversion. The magnetic field alters the surface states of the spinel oxide thin films, making catalytically active sites more accessible. In the journal Advanced Functional Materials, a team led by Marcel Risch at HZB and Sanjay Mathur at University of Cologne demonstrates a scalable strategy for developing next-generation electrocatalysts for efficient and...

Phys.org 8d ago

Scientists discover a hidden quantum world inside cobalt

Scientists discover a hidden quantum world inside cobalt - Date: - June 5, 2026 - Source: - Helmholtz-Zentrum Berlin - Summary: - Scientists have uncovered unexpected quantum complexity inside cobalt, a metal long thought to be fully understood. Advanced measurements revealed a dense network of topological electronic states that remain robust at room temperature. These states enable extremely fast electron behavior and can be switched or controlled using magnetism.

Science Daily 5d ago

X-ray scans uncover Nazi symbols hidden beneath postwar painting

X-ray scans uncover Nazi symbols hidden beneath postwar painting Gaby Clark Scientific Editor Andrew Zinin Lead Editor Erich Mercker (1891–1973), a painter from Munich, was quite successful in his day. Between 1933 and 1945, he painted works containing Nazi symbolism, including "Die Stätte des 9. November," which depicts the Feldherrnhalle monument in Munich commemorating the NSDAP's failed coup in 1923.

Phys.org 2d ago

Magnon momentum microscopy: A new window into nanoscale spin-wave physics

Magnon momentum microscopy: A new window into nanoscale spin-wave physics Sadie Harley Scientific Editor Robert Egan Associate Editor An international team led by the Max Born Institute has developed a new type of momentum microscopy to image magnons—the quanta of collectively excited spins—directly in two-dimensional reciprocal space using soft X-rays. Owing to its remarkable sensitivity, simplicity, and access to nanometer-scale wavelengths, this novel technique establishes a powerful and...

Phys.org 1d ago