Date: Jun 23, 2025
Category: Science & Technology
A team of German physicists, Prof. Dr. Ingo Rehberg (University of Bayreuth) and Dr. Peter Blümler (Johannes Gutenberg University Mainz), have pioneered a groundbreaking method for creating strong, uniform magnetic fields using compact permanent magnets. Their innovative design overcomes the inherent limitations of the traditional Halbach array, which only produces ideal magnetic fields with infinitely long magnets—a scenario impractical for real-world applications. By reimagining the arrangement and geometry of permanent magnets, the researchers engineered a compact structure capable of generating highly uniform magnetic fields. This breakthrough not only enhances the efficiency and scalability of magnetic field generation but also opens new possibilities for advanced technologies such as magnetic resonance imaging (MRI) and magnetic levitation (maglev) systems. The team’s experimental validation confirms the theoretical predictions, demonstrating that their new magnet configuration can achieve field strengths and uniformity previously attainable only with much larger or more complex setups. This innovation could lead to more affordable, portable, and energy-efficient MRI machines, as well as improved maglev transport and industrial applications. Their findings mark a significant leap forward in magnet technology, with the potential to transform medical diagnostics, transportation, and a range of scientific and industrial fields. Read the source »
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