Reaction products between Bi-Sr-Ca-Cu-oxide thick films and alumina substrates


Autoria(s): Alarco, Jose A.; Ilushechkin, A.; Yamashita, T.; Bhargava, A.; Barry, John C.; Mackinnon, Ian D. R.
Data(s)

01/03/1997

Resumo

The structure and composition of reaction products between Bi-Sr-Ca-Cu-oxide (BSCCO) thick films and alumina substrates have been characterized using a combination of electron diffraction, scanning electron microscopy and energy dispersive X-ray spectrometry (EDX). Sr and Ca are found to be the most reactive cations with alumina. Sr4Al6O12SO4 is formed between the alumina substrates and BSCCO thick films prepared from paste with composition close to Bi-2212 (and Bi-2212 + 10 wt.% Ag). For paste with composition close to Bi(Pb)-2223 + 20 wt.% Ag, a new phase with f.c.c. structure, lattice parameter about a = 24.5 A and approximate composition Al3Sr2CaBi2CuOx has been identified in the interface region. Understanding and control of these reactions is essential for growth of high quality BSCCO thick films on alumina. (C) 1997 Elsevier Science S.A.

Identificador

http://eprints.qut.edu.au/57467/

Publicador

Elsevier Science SA

Relação

DOI:10.1016/s0921-5107(96)01974-5

Alarco, Jose A., Ilushechkin, A., Yamashita, T., Bhargava, A., Barry, John C., & Mackinnon, Ian D. R. (1997) Reaction products between Bi-Sr-Ca-Cu-oxide thick films and alumina substrates. Materials Science and Engineering B-Solid State Materials for Advanced Technology, 45(1-3), pp. 102-107.

Fonte

School of Chemistry, Physics & Mechanical Engineering; Institute for Future Environments; Science & Engineering Faculty

Palavras-Chave #091201 Ceramics #091205 Functional Materials #alumina substrate #chemical reactions #superconductors #thick films #BSCCO
Tipo

Journal Article