Chemists have long been fascinated by the behavior of heavy fermion systems, which exhibit unusually high effective masses and strong electronic correlations. A team of researchers recently made a breakthrough by creating a 2D heavy fermion system that is even heavier than its 3D counterparts. This discovery raises the question: what factors contribute to this increased weight in 2D systems? Is it due to the reduced dimensionality, the specific composition of the materials, or some other unique characteristic? Understanding the mechanisms behind the weight of these heavy fermion systems could have significant implications for the development of new advanced materials with novel electronic properties.

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source: Phys.org