Landau theory of the density wave transition in trilayer Ruddlesden-Popper nickelates

M. R. Norman

doi:10.1103/43qs-x65n

paper

Landau theory of the density wave transition in trilayer Ruddlesden-Popper nickelates

arXiv:2506.07870 · doi:10.1103/43qs-x65n

Abstract

This paper presents a Landau treatment of the incommensurate density wave transition observed in trilayer Ruddlesden-Popper nickelates and uses this to address the nature of the transition. The data are consistent with a spin driven transition with the distinct intertwining of charge and spin order due to being in or proximate to the first order transition region of the Landau phase diagram. From this approach, one also obtains an understanding of the variation of the transition temperature with rare earth size, pressure, and oxygen isotope substitution.

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Superconductivity near 80 Kelvin in single crystals of La3Ni2O7 under pressure
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Correlation between the tolerance factor and phase transition in Ln4-xLnxNi3O10 (Ln and Ln' = La, Pr and Nd; x = 0, 1, 2 and 3)
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Cited by in corpus (6)

Lattice-charge coupling in a trilayer nickelate with intertwined density wave order
Electronic layer decoupling driven by density-wave order in La $_{4}$ Ni $_{3}$ O $_{10}$
Expanding the trilayer Ruddlesden-Popper nickelate family: Synthesis and characterization of Sm $_{4}$ Ni $_{3}$ O $_{10 - δ}$ single crystals
Multiorbital character of the density wave in trilayer nickelate superconductors
Interplay of phonons, intertwined density waves, and induced spin density wave in trilayer nickelates Pr4-xLaxNi3O10
Intertwined Charge and Spin Density Waves in Trilayer Nickelate La $_{4}$ Ni $_{3}$ O $_{10}$ Revealed by $^{139}$ La NQR