Control of BaZrO3 Nanorod Alignment in YBa2Cu3O7-X Thin Films by Microstructural Modulation (POSTPRINT)
Abstract
The alignment of BaZrO3-nanorods (BZO-NRs) in YBa2Cu3O7-x was studied using vicinal substrates to modulate the microstructure. As the vicinal angle was increased to 10 degrees, the angular splay of BZO-NRs increased. Correspondingly, the vortex pinning along the c-axis increased slightly, a possible consequence of enhanced vortex entanglement. Up to 10 degrees, an increasing density of planar defects was observed, while at 20 degrees an orthogonal reorientation of the BZO-NRs along the a-b planes occurs. This suggests that the modulated microstructure introduces a competing effect on the BZO-NR formation and alignment, and beyond a critical vicinal angle, c-axis alignment is no longer favorable for BZO-NRs.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 2009
- Accession Number
- ADA504233
Entities
People
- F. J. Baca
- J. N. Reichart
- J. Z. Wu
- Paul N. Barnes
- R. L. Emergo
- Timothy J. Haugan
Organizations
- Air Force Research Laboratory