Abstract

For an epitaxial Pr0.48Ca0.52MnO3 film on NdGaO3, we use transmission electron microscopy to observe a ‘charge-ordered’ superlattice along the in-planedirection a. The same film shows no electrical signatures of charge order. The in-plane electrical anisotropyρa/ρc = 28 is constant, and there is no evidence of sliding charge density waves up to the large field of ∼ 103 V cm − 1.

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