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Robust charge stripe order under high electric fields in Nd1.67Sr0.33NiO4

M. Huecker·M. v. Zimmermann·G. D. Gu
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Abstract

The influence of high electric fields on the charge stripe order in Nd1.67Sr0.33NiO4 was studied by means of simultaneous hard x-ray diffraction and electrical transport experiments. Direct measurements of the charge stripe satellite peaks in zero and high electric fields provide no evidence for a deformation or a sliding of the stripe lattice, which contradicts previous indications from non-linear conductance effects. By using the order parameter of a structural phase transition for instant sample temperature measurements, non-linear transport effects can be attributed to resistive heating. Implications for the pinning of stripes in the nickelates are discussed.

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M. Huecker, M. v. Zimmermann, G. D. Gu. 2006-10-05. Robust charge stripe order under high electric fields in Nd1.67Sr0.33NiO4. https://doi.org/10.1103/physrevb.75.041103

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