期刊
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
卷 268, 期 11-12, 页码 2046-2050出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nimb.2010.02.054
关键词
High temperature superconductivity; Ion beam analysis
One of the crucial steps in the second generation high temperature superconducting wire program was development of the buffer-layer architecture. The architecture designed at the Superconductivity Technology Center at Los Alamos National Laboratory consists of several oxide layers wherein each layer plays a specific role, namely: nucleation layer, diffusion barrier, biaxially textured template, and intermediate layer providing a suitable lattice match to the superconducting Y(1)Ba(2)Cu(3)O(7) (YBCO) compound. This report demonstrates how a wide range of ion beam analysis techniques (SIMS. RBS, channeling, PIXE, PIGE, NRA and ERD) was employed for analysis of each buffer layer and the YBCO film. These results assisted in understanding of a variety of physical processes occurring during the buffer layer fabrication and helped to optimize the buffer-layer architecture as a whole. (C) 2010 Elsevier B.V. All rights reserved.
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