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1. Author Correction: Limits to the strain engineering of layered square-planar nickelate thin films

Author

Ferenc Segedin, Dan, Goodge, Berit H, Pan, Grace A, Song, Qi, LaBollita, Harrison, Jung, Myung-Chul, El-Sherif, Hesham, Doyle, Spencer, Turkiewicz, Ari, Taylor, Nicole K, Mason, Jarad A, N’Diaye, Alpha T, Paik, Hanjong, El Baggari, Ismail, Botana, Antia S, Kourkoutis, Lena F, Brooks, Charles M, and Mundy, Julia A

Abstract

Correction to: Nature Communicationshttps://doi.org/10.1038/s41467-023-37117-4, published online 16 March 2023 In the Acknowledgements section of this article the grant number relating to NSF was incorrectly given as DMR 2045826 and should have been DMR-2045826. The original article has been corrected.

Published
2024

2. Limits to the strain engineering of layered square-planar nickelate thin films

Author

Segedin, Dan Ferenc, Goodge, Berit H., Pan, Grace A., Song, Qi, LaBollita, Harrison, Jung, Myung-Chul, El-Sherif, Hesham, Doyle, Spencer, Turkiewicz, Ari, Taylor, Nicole K., Mason, Jarad A., N'Diaye, Alpha T., Paik, Hanjong, Baggari, Ismail El, Botana, Antia S., Kourkoutis, Lena F., Brooks, Charles M., and Mundy, Julia A.

Subjects
Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons, Condensed Matter - Superconductivity
Abstract

The layered square-planar nickelates, Nd$_{n+1}$Ni$_{n}$O$_{2n+2}$, are an appealing system to tune the electronic properties of square-planar nickelates via dimensionality; indeed, superconductivity was recently observed in Nd$_{6}$Ni$_{5}$O$_{12}$ thin films. Here, we investigate the role of epitaxial strain in the competing requirements for the synthesis of the $n=3$ Ruddlesden-Popper compound, Nd$_{4}$Ni$_{3}$O$_{10}$, and subsequent reduction to the square-planar phase, Nd$_{4}$Ni$_{3}$O$_{8}$. We synthesize our highest quality Nd$_{4}$Ni$_{3}$O$_{10}$ films under compressive strain on LaAlO$_{3}$ (001), while Nd$_{4}$Ni$_{3}$O$_{10}$ on NdGaO$_{3}$ (110) exhibits tensile strain-induced rock salt faults but retains bulk-like transport properties. A high density of extended defects forms in Nd$_{4}$Ni$_{3}$O$_{10}$ on SrTiO$_{3}$ (001). Films reduced on LaAlO$_{3}$ become insulating and form compressive strain-induced $c$-axis canting defects, while Nd$_{4}$Ni$_{3}$O$_{8}$ films on NdGaO$_{3}$ are metallic. This work provides a pathway to the synthesis of Nd$_{n+1}$Ni$_{n}$O$_{2n+2}$ thin films and sets limits on the ability to strain engineer these compounds via epitaxy.

Published
2023
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3. Limits to the strain engineering of layered square-planar nickelate thin films

Author

Ferenc Segedin, Dan, Goodge, Berit H, Pan, Grace A, Song, Qi, LaBollita, Harrison, Jung, Myung-Chul, El-Sherif, Hesham, Doyle, Spencer, Turkiewicz, Ari, Taylor, Nicole K, Mason, Jarad A, N’Diaye, Alpha T, Paik, Hanjong, El Baggari, Ismail, Botana, Antia S, Kourkoutis, Lena F, Brooks, Charles M, and Mundy, Julia A

Abstract

The layered square-planar nickelates, Ndn+1NinO2n+2, are an appealing system to tune the electronic properties of square-planar nickelates via dimensionality; indeed, superconductivity was recently observed in Nd6Ni5O12 thin films. Here, we investigate the role of epitaxial strain in the competing requirements for the synthesis of the n = 3 Ruddlesden-Popper compound, Nd4Ni3O10, and subsequent reduction to the square-planar phase, Nd4Ni3O8. We synthesize our highest quality Nd4Ni3O10 films under compressive strain on LaAlO3 (001), while Nd4Ni3O10 on NdGaO3 (110) exhibits tensile strain-induced rock salt faults but retains bulk-like transport properties. A high density of extended defects forms in Nd4Ni3O10 on SrTiO3 (001). Films reduced on LaAlO3 become insulating and form compressive strain-induced c-axis canting defects, while Nd4Ni3O8 films on NdGaO3 are metallic. This work provides a pathway to the synthesis of Ndn+1NinO2n+2 thin films and sets limits on the ability to strain engineer these compounds via epitaxy.

Published
2023

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