A high-quality, pristine monolayer cuprate superconductor with a single CuO2 plane is fabricated and used to identify two quantum critical phenomena emerging between the Mott insulating phase and the superconducting phase.
Data availabilityThe datasets generated and analysed during the current study are available from the corresponding authors upon request.ReferencesNovoselov, K. S. et al. Two-dimensional gas of massless Dirac fermions in graphene. Nature 438, 197–200 (2005).Article
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Zhang, Y., Tan, Y., Stormer, H. L. & Kim, P. Experimental observation of the quantum Hall effect and Berry’s phase in graphene. Nature 438, 201–204 (2005).Article
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Superconductivity, the ability for materials to conduct electricity with zero resistance, is a valuable scientific treasure.
Physicists watch a material’s electrons assemble, and reassemble, into coexisting phases
