Phys. Rev. Lett. 85, 3954–3957 (2000)Charge Ordering and Polaron Formation in the Magnetoresistive Oxide La0.7Ca0.3MnO3Received 22 February 2000; published in the issue dated 30 October 2000 Neutron scattering has been used to study the nature of the ferromagnetic transition in a single crystal of the perovskite La0.7Ca0.3MnO3. Diffuse scattering from lattice polarons develops as the Curie temperature is approached from below, along with short range polaron correlations that are consistent with stripe formation. Both the scattering due to the polaron correlations and the anomalous quasielastic component in the magnetic fluctuation spectrum maximize very close to TC, in a manner remarkably similar to the resistivity, indicating that they have a common origin. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3954
DOI:
10.1103/PhysRevLett.85.3954
PACS:
75.30.Vn, 71.38.+i, 75.30.Ds, 75.30.Kz
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