Microstructural characterization of quenched melt-textured YBa2Cu3O7-δ materials

Alarco, J.A., Olsson, E., Golden, S.J., Bhargava, A., Yamashita, T., Barry, J.C., & Mackinnon, I.D.R. (1997) Microstructural characterization of quenched melt-textured YBa2Cu3O7-δ materials. Journal of Materials Research, 12(3), pp. 624-635.

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The microstructure of YBa2Cu3O7-δ (YBCO) materials, melt-textured in air and quenched from the temperature range 900-990°C, has been characterized using a combination of x-ray diffractometry, optical microscopy, scanning electron microscopy, transmission electron microscopy, and energy dispersive x-ray spectrometry. BaCu2O2 and BaCuO2 were found to coexist in samples quenched from the temperature range 920-960°C. The formation of BaCu2O2 preceded the formation of YBCO. Once the YBCO had formed, BaCu2O2 was present at the solidification front filling the space between nearly parallel platelets of YBCO. Large Y2BaCuO5 particles at the solidification front appeared divided into smaller ones as a result of their dissolution in the liquid that quenched as BaCu2O2.

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ID Code: 57466
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 13 Export Date: 19 February 2013 Source: Scopus CODEN: JMREE Language of Original Document: English Correspondence Address: Alarco, J.A.; Department of Physics, Chalmers University of Technology, University of Göteborg, S-412 96 Göteborg, Sweden References: Salama, K., Lee, D.F., (1994) Supercond. Sci. Technol., 7, p. 177; Lee, D.F., Partsinevelos, C.S., Presswood Jr., R.P., Salama, K., (1994) J. Appl. Phys., 76, p. 603; Kimura, K., Morita, M., Tanaka, M., Takebayashi, S., Trouilleux, L., Miyamoto, K., Hashimoto, M., Kobayashi, N., (1993) Cryogenics, 33, p. 506; McGinn, P., (1995) High-Temperature Superconducting Materials Science and Engineering-New Concepts and Technology, pp. 345-381. , edited by D. Shi (Pergamon, New York); Murakami, M., Yoo, S.-I., Higuchi, T., Sakai, N., Weltz, J., Koshizuka, N., Tanaka, S., (1994) Jpn. J. Appl. Phys., 33, pp. L715; Yoo, S.I., Sakai, N., Takaichi, H., Huguchi, T., Murakami, M., (1994) Appl. Phys. Lett., 65, p. 633; Morita, M., Takebayashi, S., Tanaka, M., Kimura, K., Miyamoto, K., Sawano, K., Quench and Melt Growth (QMG) Process for Large Bulk Superconductor Fabrication (1990) 3rd Int. Symp. on Superconductivity (ISS'90), 3, pp. 733-736. , Sendai, Springer-Verlag, Tokyo; Aselage, T., Keefer, K., (1988) J. Mater. Res., 3, p. 1288; Cima, M.J., Flemings, M.C., Figueredo, A.M., Nakade, M., Ishii, H., Brody, H.D., Haggerty, J.S., (1992) J. Appl. Phys., 72, p. 179; Izumi, T., Nakamura, Y., Shiohara, Y., (1992) J. Mater. Res., 7, pp. 1621-1628; Chen, B.J., Rodriguez, M.A., Misture, S.T., Snyder, R.L., (1993) Physica C, 217, p. 367; Fredriksson, H., Nylén, T., (1982) Metal Sci., 16, pp. 283-294; Rodriguez, M.A., Chen, B.-J., Snyder, R.L., (1992) Physica C, 195, p. 185; Golden, S.J., Yamashita, T., Bhargava, A., Barry, J.C., Mackinnon, I.D.R., (1994) Physica C, 221, p. 85; Chen, B.J., Rodriguez, M.A., Misture, S.T., Snyder, R.L., (1992) Physica C, 198, p. 118; Golden, S.J., Yamashita, T., Bhargava, A., Barry, J.C., Mackinnon, I.D.R., Page, D., (1993) Physica C, 217, p. 313; Kim, C.-J., Kim, K.-B., Won, D.-Y., Hong, G.-W., (1994) Physica C, 228, p. 351; Schmitz, G.J., Laakmann, J., Wolters, C., Rex, S., Gawalek, W., Habisreuther, T., Bruchlos, G., Görnert, P., (1993) J. Mater. Res., 8, p. 2774; Thompson, J.G., Gerald, J.D.F., Withers, R.L., Barlow, P.J., Anderson, J.S., (1989) Mater. Res. Bull., 24, p. 505; Griffith, M.L., Huffman, R.T., Halloran, J.W., (1994) J. Mater. Res., 9, p. 1633; Wong-Ng, W., Cook, L.P., (1994) J. Am. Ceram. Soc., 77, p. 1883; Ullman, J.E., McCallum, R.W., Verhoeven, J.D., (1989) J. Mater. Res., 4, p. 752; Lindemer, T.B., Washburn, F.A., MacDougall, C.S., (1992) Physica C, 196, p. 390; Izumi, T., Nakamura, Y., Sung, T.-H., Shiohara, Y., (1993) J. Mater. Res., 7, p. 801; Morita, M., Tanaka, M., Kimura, K., Sasaki, T., Trouilleux, L., Takebayashi, S., Miyamoto, K., Sawano, K., Process and Properties of QMG Crystals (1991) 4th Int. Symp. on Superconductivity (ISS'91), 4, pp. 433-438. , Tokyo, Springer-Verlag, Tokyo; Weber, J.K.R., Nordine, P.C., Goretta, K.C., Poeppel, R.B., (1994) J. Mater. Res., 9, p. 1657
Keywords: Energy dispersive x ray spectrometry, Yttrium barium copper oxide, Characterization, Crystal microstructure, Dissolution, Melting, Optical microscopy, Quenching, Scanning electron microscopy, Solidification, Transmission electron microscopy, X ray diffraction analysis, Oxide superconductors
DOI: 10.1557/JMR.1997.0095
ISSN: 0884-2914
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Ceramics (091201)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Functional Materials (091205)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 27 Feb 2013 04:13
Last Modified: 28 Feb 2013 04:54

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