Preparation of Superconducting Thin Films of Infinite-Layer Nickelate Nd$_{0.8}$Sr$_{0.2}$NiO$_{2}$

doi:10.1088/0256-307X/38/7/077401

Chin. Phys. Lett.

2021, Vol. 38

Issue (7): 077401 DOI: 10.1088/0256-307X/38/7/077401

CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES

Preparation of Superconducting Thin Films of Infinite-Layer Nickelate Nd$_{0.8}$Sr$_{0.2}$NiO$_{2}$

Qiang Gao¹, Yuchen Zhao^1,2, Xing-Jiang Zhou^1,2,3,4*, and Zhihai Zhu^1,2*

¹National Lab for Superconductivity, Beijing National laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
²School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
³Beijing Academy of Quantum Information Sciences, Beijing 100193, China
⁴Songshan Lake Materials Laboratory, Dongguan 523808, China

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Qiang Gao, Yuchen Zhao, Xing-Jiang Zhou et al 2021 Chin. Phys. Lett. 38 077401

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Abstract The recent observation of superconductivity in thin films of infinite-layer nickelate Nd$ _{0.8}$Sr$ _{0.2}$NiO$ _{2}$ has received considerable attention. Despite the many efforts to understand the superconductivity in infinite-layer nickelates, a consensus on the underlying mechanism for the superconductivity has yet to be reached, partly owing to the challenges with the material synthesis. Here, we report the successful growth of superconducting infinite-layer Nd$ _{0.8}$Sr$ _{0.2}$NiO$ _{2}$ films by pulsed laser deposition and soft chemical reduction. The details on the growth process are discussed.

Received: 02 March 2021 Published: 21 June 2021

PACS:	74.70.-b	(Superconducting materials other than cuprates)
	74.25.-q	(Properties of superconductors)
	74.25.Jb	(Electronic structure (photoemission, etc.))
	74.20.-z	(Theories and models of superconducting state)

Fund: Supported in part by the National Natural Science Foundation of China (Grant Nos. 12074411 and 11888101), the National Key Research and Development Program of China (Grant Nos. 2016YFA0300300 and 2017YFA0302900), the Strategic Priority Research Program (B) of the Chinese Academy of Sciences (Grant No. XDB25000000), and the Research Program of Beijing Academy of Quantum Information Sciences (Grant No. Y18G06).

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https://cpl.iphy.ac.cn/10.1088/0256-307X/38/7/077401 OR https://cpl.iphy.ac.cn/Y2021/V38/I7/077401

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	Qiang Gao
	Yuchen Zhao
	Xing-Jiang Zhou
	and Zhihai Zhu

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