期刊
JOURNAL OF CRYSTAL GROWTH
卷 325, 期 1, 页码 68-75出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2011.04.029
关键词
Crystal morphology; Chemical solution deposition; Pyrochlores; Superconducting materials
资金
- Institute for the Promotion of Innovation through Science and Technology in Flanders (IWT)
- Research Foundation-Flanders (FWO-Vlaanderen) [1.5.131.06N]
- Belgian State, Federal Science Policy Office [IAP/VI-17]
Thick La2Zr2O7 (120) layers were produced via a water-based sol-gel route. All layers were analyzed in-depth by XRD, pole figures and transmission electron microscopy. Well-textured thick layers (120 nm) could be obtained by adjusting the heat treatment and introducing a LZO seed layer (20 nm). The overall quality of the LZO layers greatly improved by the introduction of seed layers. Nevertheless, nanovoids were found in the thick LZO layers. A tentative explanation for parameters influencing the origin and development of the nanovoids is presented, based on TEM observations. (C) 2011 Elsevier B.V. All rights reserved.
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