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What is the main focus of Albert Fert's research?

  • Biology

  • Magnetism

  • Astronomy

  • Geology

Answer

Magnetism is the central theme of Albert Fert's research. He has made significant contributions to the field, particularly in the area of giant magnetoresistance (GMR). GMR is a phenomenon that occurs when the electrical resistance of a material changes significantly in response to an applied magnetic field. This discovery has led to the development of new types of magnetic sensors and memory devices.
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