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Temperature effects on structure of Ruddlesden-Popper nickelate La3Ni2O7

Published on:

14 May 2024

Primary Category:

Superconductivity

Paper Authors:

Haozhe Wang,

Haidong Zhou,

Weiwei Xie

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Key Details

Examines temperature effects on structure of Ruddlesden-Popper nickelate La3Ni2O7

Observes enhanced tilt distortions at lower temperatures

Suggests potential lowering of symmetry and favorability of Cmcm space group

Establishes benchmark lab X-ray diffraction methodology for this system

Provides insights into complex structural dynamics of this material

AI generated summary

Temperature effects on structure of Ruddlesden-Popper nickelate La3Ni2O7

This paper examines how temperature impacts the crystal structure of the Ruddlesden-Popper bilayer nickelate La3Ni2O7 (LNO-2222) using laboratory X-ray diffraction on single crystals. Contrary to prior work suggesting increased symmetry at lower temperatures, enhanced tilt distortions are observed, indicating potential lowering of symmetry and favorability of the Cmcm space group. This establishes a benchmark methodology and provides insights into the complex structural dynamics of this system.

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