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. 2021 Dec 24;3(1):100202. doi: 10.1016/j.xinn.2021.100202

Figure 1.

Figure 1

Discovery of superconductivity in nickelate Nd1−xSrxNiO2 thin films

(A) Some elements of transition metals in the periodic table. Fe and Cu are two basic elements in cuprate and iron-based superconductors, respectively.

(B) The temperature-dependent resistivity of Nd-113 and Nd-112 films. Due to CaH2 reduction, the perovskite structure of NdNiO3 is changed into an infinite-layer NdNiO2. The shaded region shows that Ni is located at the center of NiO6 octahedral. Adapted from Li et al.46

(C) ZFC and FC modes of DC magnetization on the Nd0.8Sr0.2NiO2 thin film with typical thickness of 7 nm under the magnetic field of 20 Oe. Adapted from Zeng et al.50