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In the realm of scientific inquiry, Louis Néel is primarily associated with the field of physics. His groundbreaking contributions lie in the study of magnetism and magnetic materials, earning him the prestigious Nobel Prize in Physics in 1970. Néel's pioneering work on antiferromagnetism and ferrimagnetism revolutionized our understanding of these phenomena and laid the groundwork for advancements in magnetic materials and devices that continue to shape various technological fields today.