Photoinduced Phase Transition in Infinite-Layer Nickelates

Zhen Yang, Kui juan Jin*, Yulin Gan, Cheng Ma, Zhicheng Zhong, Ye Yuan, Chen Ge, Er Jia Guo, Can Wang, Xiulai Xu, Meng He, Dongxiang Zhang, Guozhen Yang

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摘要

The quantum phase transition caused by regulating the electronic correlation in strongly correlated quantum materials has been a research hotspot in condensed matter science. Herein, a photon-induced quantum phase transition from the Kondo-Mott insulating state to the low temperature metallic one accompanying with the magnetoresistance changing from negative to positive in the infinite-layer NdNiO2 films is reported, where the antiferromagnetic coupling among the Ni1+ localized spins and the Kondo effect are effectively suppressed by manipulating the correlation of Ni-3d and Nd-5d electrons under the photoirradiation. Moreover, the critical temperature Tc of the superconducting-like transition exhibits a dome-shaped evolution with the maximum up to ≈42 K, and the electrons dominate the transport process proved by the Hall effect measurements. These findings not only make the photoinduction a promising way to control the quantum phase transition by manipulating the electronic correlation in Mott-like insulators, but also shed some light on the possibility of the superconducting in electron-doped nickelates.

源语言英语
文章编号2304146
期刊Small
19
43
DOI
出版状态已出版 - 25 10月 2023
已对外发布

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Yang, Z., Jin, K. J., Gan, Y., Ma, C., Zhong, Z., Yuan, Y., Ge, C., Guo, E. J., Wang, C., Xu, X., He, M., Zhang, D., & Yang, G. (2023). Photoinduced Phase Transition in Infinite-Layer Nickelates. Small, 19(43), 文章 2304146. https://doi.org/10.1002/smll.202304146