Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8150849 | Journal of Crystal Growth | 2014 | 6 Pages |
Abstract
Liquid phase epitaxy (LPE) of YBa2Cu3O7âδ (YBCO) films was performed by vertical dipping along both the [0 0 1] and the [1 1 0] directions of (1 1 0) NdGaO3 (NGO) substrates. Remarkably, an evolution of oriented structure from c-axis to a-axis, corresponding to the supersaturation (Ï) change from high to low level, was explicitly observed on a single NGO substrate. Distinctively, creeping along the [0 0 1] direction and forming a low-Ï-related a-oriented film with a crack-free macrostructure, the liquid presented a strong anisotropic wettability with the NGO substrate. Most importantly, this work provides a unique method to achieve high-quality a-axis YBCO LPE films, which are potentially appropriate for Josephson junction devices.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
L.S. Guo, Y.Y. Chen, X. Yao,