Charge-stripe order, antiferromagnetism, and spin dynamics in the cuprate-analog nickelate La${}_4$Ni${}_3$O${}_8$

Abstract

We report a muon spin rotation ($\mu$SR) study of the cuprate-analog nickelate La${}_4$Ni${}_3$O${}_8$, which undergoes a transition at 105 K to a low-temperature phase with charge-stripe and antiferromagnetic (AFM) order on square planar NiO${}_2$ layers. Zero-field $\mu$SR shows that this transition is abrupt and that the AFM configuration is commensurate. Comparison of observed muon precession frequencies with Ni dipolar field calculations yields Ni moments $\lesssim 0.5{\mu }_B$. Dynamic muon spin relaxation above 105 K suggests critical slowing of Ni spin fluctuations, but is inconsistent with corresponding ${}^{139}$La NMR results. Critical slowing and an abrupt transition are also observed in the planar cuprate AFM La${}_2$CuO${}_{4+\delta }$, where they are evidence for weakly interplanar-coupled two-dimensional AFM spin fluctuations, but our $\mu$SR data do not agree quantitatively with theoretical predictions for this scenario.

arXiv comment17 pages, 25 figures, 49 references; under review by PRB

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Cited by in corpus (12)

• Model construction and a possibility of cuprate-like pairing in a new d9 nickelate superconductor (Nd,Sr)NiO2
• Correlated electronic structure, orbital-selective behavior, and magnetic correlations in double-layer La${}_3$Ni${}_2$O${}_7$ under pressure
• Epitaxial growth and electronic structure of Ruddlesden-Popper nickelates (${\mathrm{La}}_{n+1}{\mathrm{Ni}}_n{\mathrm{O}}_{3n+1},n=1-5$)
• Magnetic correlations in infinite-layer nickelates: an experimental and theoretical multi-method study
• Review on quasi-2D square planar nickelates
• Short-range magnetic interactions and spin-glass behavior in the quasi-2D nickelate Pr4Ni3O8
• Electronic structure and magnetic correlations in trilayer nickelate superconductor La${}_4$Ni${}_3$O${}_{10}$ under pressure
• A Nickelate Renaissance
• Role of Oxygen States in the Low Valence Nickelate La${}_4$Ni${}_3$O${}_8$
• Spin-density, charge- and bond-disproportionation wave instability in hole-doped infinite-layer $R$NiO${}_2$
• Unusual slow magnetic fluctuations and critical slowing down in Sr${}_2$Ir${}_{1-x}$Rh${}_x$O${}_4$
• Competing spin-glass and spin-fluctuation states in NdxPr4-xNi3O8