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German Research Team Completes First Phase Analysis of Chernobyl "Hot Particles": Nuclear Fuel Crystal Structure Still Exhibits Unexpectedly High Chemical Stability After 40 Years

Nearly 40 years after the 1986 Chernobyl Nuclear Power Plant accident, a research team from Leibniz University Hannover and Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Germany has completed the world's first synchrotron radiation X-ray-based precision crystal phase analysis of 6 micron-sized highly radioactive fragments (commonly known in the industry as Hot Particles) ejected from the destroyed reactor. The related breakthrough research findings have been officially published in the top-tier journal in environmental and radioecology, the Journal of Hazardous Materials.

2026-10-07

South Korean research team reveals that water storage capacity of cold subducting slabs has been underestimated using synchrotron radiation sources

A research team led by Professor Yongjae Lee of the Department of Earth System Sciences at Yonsei University in South Korea has recently found that in cold, rapidly descending tectonic subduction zones, crustal rocks may transport up to 1 trillion kilograms of water to the mantle each year—approximately twice the previous estimate. The findings have been published in Nature Communications. Subduction zones are regions where Earth's tectonic plates converge and one plate descends beneath another, often accompanied by volcanic and seismic activity. For a long time, the academic community has generally believed that serpentinite, a water-bearing rock, gradually dehydrates as it descends with the plate due to increasing pressure and temperature, and the released water further promotes melting of the overlying plate and is associated with the formation of volcanic arc chains.

2026-09-07

Japan's PF Launches Quantum Multi-Beam Experiments, Achieving Simultaneous Hard and Soft X-ray Measurements

The Photon Factory, a synchrotron radiation facility at the Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK) in Japan, has recently launched collaborative experiments on the development and research multi-purpose beamlines BL-11A and BL-11B, achieving simultaneous irradiation of the same sample with hard and soft X-rays at the same position. The research results will be published in the international academic journal *Review of Scientific Instruments*. The Photon Factory uses electrons moving at near-light speed to generate high-brightness X-rays, known as synchrotron radiation, for studying material structures and properties. Among these, hard X-rays are better suited for observing the internal structure of materials, while soft X-rays are ideal for analyzing material surfaces and electronic states. Previously, at synchrotron radiation facilities, the two types of X-rays typically had to...

2026-08-31

Russia's SKIF "Microfocus" experimental station to conduct elemental and structural studies of ores

The Microfocus station, the first experimental station of the Siberian Circular Photon Source (SKIF) Phase 1, will be used to study the elemental composition and structural characteristics of samples in fields such as geology, geophysics, microelectronics, and materials science. The station is being created and integrated by Tomsk Polytechnic University and will in the future serve the exploration and development of hard-to-recover gold, platinum, rare earth elements, and oil reserves. According to reports, the first experiments at the Microfocus station will focus on ore sample studies. Such research is an important step in the development of new deposits, helping researchers more accurately assess deposit reserves, select more suitable extraction methods, and identify promising areas for subsequent exploration. The station employs...

2026-08-25