Phys. Rev. Lett. 76, 3412–3415 (1996)Determination of the Local Lattice Distortions in the CuO2 Plane of La1.85Sr0.15CuO4Received 8 June 1995; published in the issue dated 29 April 1996 The measurement of the Cu-O distances by a local and fast probe, polarized Cu K-edge extended x-ray absorption fine structure (EXAFS) in La1.85Sr0.15CuO4 crystal shows two different conformations of the CuO6 octahedra below 100 K assigned to two types of stripes with different lattice. This experiment supports a model of “two components” spatially separated in a superlattice of quantum stripes for the anomalous properties of cuprate superconductors. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.76.3412
DOI:
10.1103/PhysRevLett.76.3412
PACS:
74.72.Dn, 61.10.Ht, 78.70.Dm
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