Advances in Condensed Matter Physics

Volume 2013, Article ID 931726, 7 pages

http://dx.doi.org/10.1155/2013/931726

Research Article

## Aging Effect on Electrical Conductivity of Pure and Al-Doped YBa_{2}Cu_{3}O_{7−δ} Single Crystals with a Given Topology of Planar Defects

^{1}Physical Department, Kharkiv National University, Kharkiv 61077, Ukraine^{2}Physikalisches Institut, Goethe-University, 60438 Frankfurt am Main, Germany

Received 18 August 2013; Accepted 25 September 2013

Academic Editor: Hechang Lei

Copyright © 2013 Ruslan V. Vovk et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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