Nature and impact of stripe freezing in La1.67Sr0.33NiO4

A. M. Merritt; D. Reznik; V. O. Garlea; G. D. Gu; J. M. Tranquada

doi:10.1103/PhysRevB.100.195122

Nature and impact of stripe freezing in La1.67Sr0.33NiO4

A. M. Merritt, D. Reznik, V. O. Garlea, G. D. Gu, J. M. Tranquada

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Abstract

La1.67Sr0.33NiO4 develops charge and spin stripe orders at temperatures of roughly 200 K, with modulation wave vectors that are temperature independent. Various probes of spin and charge response have provided independent evidence for some sort of change below ∼50 K. In combination with a new set of neutron scattering measurements, we propose a unified interpretation of all of these observations in terms of a freezing of Ni-centered charges stripes, together with a glassy ordering of the spin stripes that shows up in neutron scattering as a slight rotation of the average spin direction.

Original language	English
Article number	195122
Journal	Physical Review B
Volume	100
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevB.100.195122
State	Published - Nov 14 2019

Funding

A.M.M. and D.R. (G.D.G. and J.M.T.) were supported by the US Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Award No. DE-SC0006939 (Contract No. DE-SC0012704). This research used resources at the Spallation Neutron Source, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory

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10.1103/PhysRevB.100.195122

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abstract = "La1.67Sr0.33NiO4 develops charge and spin stripe orders at temperatures of roughly 200 K, with modulation wave vectors that are temperature independent. Various probes of spin and charge response have provided independent evidence for some sort of change below ∼50 K. In combination with a new set of neutron scattering measurements, we propose a unified interpretation of all of these observations in terms of a freezing of Ni-centered charges stripes, together with a glassy ordering of the spin stripes that shows up in neutron scattering as a slight rotation of the average spin direction.",

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AU - Reznik, D.

AU - Garlea, V. O.

AU - Gu, G. D.

AU - Tranquada, J. M.

PY - 2019/11/14

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N2 - La1.67Sr0.33NiO4 develops charge and spin stripe orders at temperatures of roughly 200 K, with modulation wave vectors that are temperature independent. Various probes of spin and charge response have provided independent evidence for some sort of change below ∼50 K. In combination with a new set of neutron scattering measurements, we propose a unified interpretation of all of these observations in terms of a freezing of Ni-centered charges stripes, together with a glassy ordering of the spin stripes that shows up in neutron scattering as a slight rotation of the average spin direction.

AB - La1.67Sr0.33NiO4 develops charge and spin stripe orders at temperatures of roughly 200 K, with modulation wave vectors that are temperature independent. Various probes of spin and charge response have provided independent evidence for some sort of change below ∼50 K. In combination with a new set of neutron scattering measurements, we propose a unified interpretation of all of these observations in terms of a freezing of Ni-centered charges stripes, together with a glassy ordering of the spin stripes that shows up in neutron scattering as a slight rotation of the average spin direction.

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Nature and impact of stripe freezing in La1.67Sr0.33NiO4

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