A1 Refereed original research article in a scientific journal

The Effect of BaZrO3 Nanorods on the Normal State Properties and on the Anomaly in the Even Transverse Resistivity in YBCO Thin Films




AuthorsPalonen H, Huhtinen H, Paturi P

PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

Publication year2013

JournalIEEE Transactions on Applied Superconductivity

Journal name in sourceIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY

Journal acronymIEEE T APPL SUPERCON

Article numberARTN 7200705

Number in series3

Volume23

Issue3

Number of pages5

ISSN1051-8223

DOIhttps://doi.org/10.1109/TASC.2012.2235897


Abstract
Nanoscale insulating rods grow in YBa2Cu3O6+x (YBCO) thin films when they are made by pulsed laser deposition from BaZrO3 (BZO) doped targets. The longitudinal and transverse resistivities of BZO doped YBCO thin films were measured to investigate the effect of the BZO nanorods as a small-scale inhomogeneity to the anomalies sometimes observed in transverse resistivity. The BZO nanorods were seen to reduce the oxygen content of the films only at high BZO doping levels. Anomalies in the even transverse resistivity in zero field were observed but no systematic correlation with the BZO doping was seen. The origin of the anomaly is attributed to larger scale inhomogeneities present in the samples than the BZO nanorods.


Research Areas



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