EVIDENCE FOR A POSSIBLE ORDER-DISORDER TRANSITION IN THE JOSEPHSON JUNCTION LATTICE OF A GRANULAR La1.85Sr0.15CuO4 SUPERCONDUCTING OXIDE-Reference-Cited by-同舟云学术

EVIDENCE FOR A POSSIBLE ORDER-DISORDER TRANSITION IN THE JOSEPHSON JUNCTION LATTICE OF A GRANULAR La1.85Sr0.15CuO4 SUPERCONDUCTING OXIDE

Published:1987-08 Issue:03n04 Volume:01 Page:1011-1016
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

Giovannella C.¹²,Chappert C.³,Beauvillain P.³,Collin G.⁴

Affiliation:

1. Laboratoire de Physique des Solides, Batiment 510, 91405 Orsay, France

2. Dip. di Fisica, II Universita’ di Roma, Via O. Raimondo, 00173 Rome, Italy

3. Institut d’Electronique Fondamentale, Batiment 220, 91405 Orsay, France

4. UA200, Universite’ Rene’ Descartes, 4 av. de l’Observatoire, 75006 Paris, France

Abstract

We present a detailed low field susceptibility study of a sintered La1.85Sr0.15CuO4 superconductor. We find that two critical temperatures should be considered in order to explain our observations. The lower one is characteristic of an order-disorder transition in the Josephson Junction lattice and scales as H .55. Moreover, it is inferred that field cooled data do not give the true bulk Meissner effect.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979287001481

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