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An international research team, led by the Laboratory for Strongly Correlated Quantum Transport at the RIKEN Center for Emergent Matter Science, has made a groundbreaking discovery. For the first time, they have successfully synthesized the ideal Weyl semimetal (Cr,Bi)2Te3, solving a decade-long challenge in the realm of quantum materials. This significant accomplishment, published in the esteemed journal Nature, represents a major advance in quantum material research. By meticulously adjusting the chemical composition of bismuth telluride, the research team was able to create a metallic material that hosts only a single pair of Weyl fermions. This unique material exhibited a remarkable giant anomalous Hall effect, further underscoring its significance.
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