Macro- and microcracking, subgrains, twins and thermal stresses in YBa2Cu3O(7-x) (123) - Y2BaCuO5 (211) melt-textured superconductors studied by means of polarized light microscopy

Journal of Microscopy

Volumn 184, Issue 1, 1996, Pages 46-57

  Diko, P ^a   Gawalek, W ^b   Habisreuther, T ^b   Klupsch, T ^b   Gornert P ^b  

^a INSTITUTE OF EXPERIMENTAL PHYSICS   (Slovakia)

^b LEIBNIZ INSTITUTE OF PHOTONIC TECHNOLOGY   (Germany)

Author keywords

High T(c) superconductors; Melt textured YBaCuO; Microcracking; Microstructure; Subgrains; Thermal stresses; Twinning

Indexed keywords

BARIUM COMPOUNDS; MICROCRACKING; MICROSTRUCTURAL EVOLUTION; PARTICLE SIZE; SUPERCONDUCTING MATERIALS; THERMAL STRESS;

BULK SUPERCONDUCTORS; HIGH T C; HIGH-T(C) SUPERCONDUCTOR; MACRO CRACKING; MELT-TEXTURED; MELT-TEXTURED BULK; MELT-TEXTURED SUPERCONDUCTORS; MELT-TEXTURED YBACUO; POLARIZED-LIGHT MICROSCOPY; SUBGRAINS;

COPPER COMPOUNDS;

ARTICLE; CONDUCTOR; MICROSCOPY; PRIORITY JOURNAL;

EID: 0029806548     PISSN: 00222720     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (41)

1. 7-x superconductors. Phys. Rev. B, 45, 5622-5627.
2. 7. Supercond. Sci. Technol. 7, 337-343.
3. Davidge, R.W. & Green, T.J. (1968) The strength of two-phase ceramic/glass materials. J. Mater. Sci. 3, 629-634.
4. 7-δ. Nature, 346, 332-335.
5. 7-x. J. Mater. Sci. 24, 1995-1998.
6. 7-δ elastic interpretation mechanism. Phys. Mag. Lett. 64, 147-152.
7. 7-x thin films. Physica C, 174, 1-7.
8. 7-δ from the melt. Physica C, 210, 197-212.
9. 7-δ-Ag melt-textured composites. Physica C, 182, 203-218.
10. x single crystals by external stress. Jpn. J. Appl. Phys. 28, L794-L796.
11. 7-x. Phys. Rev. B, 36, 3920-3922.
12. 7-x crystals. Jpn. J. Appl. Phys. 27, L594-L597.
13. Jin, S., Kammlott, G.W., Tiefel, T.H., Kodas, T.T., Ward, T.L. & Kroeger, D.M. (1991) Microstructure and properties of Y-Ba-Cu-O superconductor with submicron "211" dispersion. Physica C, 181, 57-62.
14. c at 77 K. Phys. Rev. B, 37, 7850-7853.
15. 7-x single crystals. J. Mater. Res. 4, 745-747.
16. c superconductors. Cryogenics, 29, 228-231.
17. 3 addition. Mater. Lett. 19, 185-191.
18. 7-x. Appl. Phys. Lett. 57, 1455-1457.
19. c. Physica C, 179, 149-158.
20. 5 additions. Physica C, 211, 188-204.
21. Murakami, M., Gotoh S., Fujimoto, H., Yamaguchi, K., Koshizuka, N. & Tanaka, S. (1991) Flux pinning and critical currents in melt-processed YBaCuO superconductors. Supercond. Sci. Technol. 4, S43-S50.
22. c in oxide superconductors. Jpn. J. Appl. Phys. 28, 1189-1194.
23. c YBaCuO bulk superconductor by the platinum doped melt growth method. Physica C, 177, 101-105.
24. 7-x. Mater. Sci. Eng. B5, 243-248.
25. Ramesh, R., Jin, S., Nakahara, S. & Tiefel, T.H. (1990) Phase decomposition and structural defects in Y-Ba-Cu-O superconductor. Appl. Phys. Lett. 57, 1458-1460.
26. 7-δ single crystals: anisotropy and twinning effect. J. Appl. Phys. 70, 5254-5292.
27. Richardson, J.H. (1971) Optical Microscopy for the Materials Science. Marcel Dekker, New York, pp. 599-614.
28. 7-δ. Mater. Lett. 13, 357-362.
29. 7-x superconductor. Appl. Phys. Lett. 54, 2352-2354.
30. 5 superconductors. Phys. Rev. B, 50, 7032-7045.
31. 7-δ. Physica C, 157, 555-560.
32. 7-x superconductors. Physica C, 208, 238-244.
33. 6-δ. Phys. Rev. B, 46, 6511-6534.
34. 7-δ thin films sputtered onto MgO substrate. Appl. Phys. Lett. 58, 2171-2173.
35. c oxide superconductors. Solid State Commun. 70, 291-295.
36. x grains from their optical twin patterns. Appl. Phys. Lett. 52, 1190-1192.
37. 7-δ. J. Supercond. 7, 159-168.
38. Yamaguchy, K., Murakami, M., Fujimoto, H., Gotoh, S., Shiohara, Y., Koshizuka, N. & Tanaka, S. (1991) Microstructure of the melt-powder-melt-growth processed YBaCuO. J. Mater. Res. 6, 1404-1407.
39. 7-δ. Phys. Status Solidi, 103, 45-72.
40. Zhang, S.Y. (1992) Handbook of Ceramics and Composites, Vol. 2 (ed. by N. P. Cheremisonof), pp. 56-71. Marcel Dekker, New York.
41. c cuprate superconductors. MRS Bull. 15, 54-59.