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La2−xSrxCuO4 thin films and multilayers prepared by MBE

✍ Scribed by A. Cretton; Y. Jaccard; E.J. Williams; J.-P. Locquet; E. Māchler; J.-M. Triscone; Ø. Fischer; T. Schneider; P. Martinoli

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
264 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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✦ Synopsis

We report on the realization of La2.xSrxCuO 4 / La2_vSrvCuO 4 multilayers and on a study of the superconducting transitions in magnetic field paraliel and perpendicular to the c-axis. Measuring the activation energies for thermally activated flux flow, which give information on the correlation volume invoh,cd in flux jumps, allows to make an estimate of the interdiffusion at the interfaces.

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We report on the synthesis of (La,RE)2\_xSrxCuO4 for various REfPr, Nd, Sin, Eu, Gd, Dy, Ho and Er as a function of the RE and Sr concentrations. The sample characterization by means of powder X-ray diffraction and EDX is described. We present our results on the solubility limit of the various RE in