From Macro to Quantum Scale: Progress and Applications of Magnetic Materials Research

This article reviews and looks forward to the research progress and applications of magnetic materials from macro to quantum scales. First, the article combs the historical context of magnetic materials and discusses the preparation technology innovation and performance optimization strategies of magnetic materials, especially the significant improvement in the coercivity of rare earth permanent magnet materials and the innovative application of nanocomposite technology. Entering the nanoscale field, the advanced synthesis methods of nanomagnetic materials and the quantum effects they exhibit are analyzed. At the same time, the cutting-edge theoretical models of quantum-scale magnetic materials and their verification in experiments are introduced. In addition, the article also extensively discusses the practical applications of magnetic materials in information technology, biomedicine and other fields, and looks forward to future research directions and challenges, with special emphasis on the importance of environmental protection and sustainable development. Finally, the article highly affirms the value of cross-integration of magnetic materials with other disciplines, especially in the field of quantum computing. The great potential of magnetic materials as qubits provides new possibilities for future technological development.