<ul><li>Scientists in South Korea have developed a new process to create high-performance permanent magnets without using expensive heavy rare earth elements.</li><li>The breakthrough could reduce costs and dependence on rare earth materials, which are mainly controlled by China.</li><li>The researchers developed a two-step grain boundary diffusion process (GBDP) that improves magnet performance and avoids grain coarsening.</li><li>The benefits include high performance, lower costs, reduced dependency, and potential industry growth in South Korea.</li></ul>

Scientists create powerful permanent magnet without expensive rare earth metals

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