TEM and SEM studies on the formation of superconducting phases in the Bi-based system

Journal of the European Ceramic Society

Volumn 20, Issue 16, 2000, Pages 2773-2778

  Popa, Monica ^a   Calderon Moreno, Jose M ^a   Zaharescu, Maria ^b  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b ACADEMY OF ROMANIAN SCIENTISTS   (Romania)

Author keywords

Bi Sr Ca Cu O system; Oxalates; Structure of superconducting phases; TEM and SEM observations

Indexed keywords

BISMUTH COMPOUNDS; GRAIN SIZE AND SHAPE; OXIDE SUPERCONDUCTORS; PARTICLE SIZE ANALYSIS; PRECIPITATION (CHEMICAL); SCANNING ELECTRON MICROSCOPY; SUPERLATTICES; TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION ANALYSIS;

COPRECIPITATIONS; OXALATES;

CERAMIC MATERIALS;

EID: 0034509281     PISSN: 09552219     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0955-2219(00)00225-9     Document Type: Article

References (19)

1. c superconducting powders and precursors for superconductive ceramics, coatings and composites. J. Mater. Chem. 4:1994;1659-1665.
2. Kakihana M. Sol-gel preparation of high temperature superconducting oxides - invited review. J. Sol-Gel Sci. Technol. 6:1996;7-55.
3. Medelius H., Rowcliffe D.J. Solution routes to synthesize superconducting oxides. Mater. Sci. Engng. A109:1989;289-292.
4. Marbach G., Stotz S., Klee M., de Vries J.W.C. Superconductivity in BiSrCaCuO bulk samples made by thermal decomposition of metal oxalates. Phys. C. 161:1989;111-120.
5. Shei C.Y., Liu R.S., Chang C.T., Wu P.T. Coprecipitation process for the preparation of superconductive Bi-Sr-Ca-Cu-O oxides. Mater. Lett. 9:1990;105-108.
6. Spencer N.D. Alkali-metal free carbonate coprecipitation: an effective synthetic route to Bi-based oxide superconductors. Chem. Mater. 2:1990;708-712.
7. Mansori M., Satre P., Breandon C., Roubin M., Sebaouin A. Elaboration et caracterisation de cuprates de Bismuth superconducteurs. Ann. Chim. Fr. 18:1993;537-547.
8. Zhang Y., Muhammed M., Wang L., Nogues J., Rao K.V. Synthesis of superconducting Pb/Sb doped BiSrCaCuO compounds via oxalate coprecipitation. Mater. Chem. Phys. 30:1992;153-159.
9. Zhang Y., Fang Z., Muhammed M., Rao K.V., Skumryev V., Medelius H., Costa J.L. The synthesis of superconducting Bi compounds via oxalate coprecipitation. Phys. C. 157:1989;108-114.
10. Chiang C., Shei C.Y., Huang Y.T., Lee W.H., Wu P.T. Preparation of high purity 110 K phase in the (Bi, Pb)-Sr-Ca-Cu-O superconductor system using a solution method. Phys. C. 17:1990;383-387.
11. Marta L., Zaharescu M., Ciontea L., Petrisor T. Chemical route to the synthesis of superconducting Bi-oxide system. Appl. Supercond. 1:1993;677-691.
12. Chuanbin M., Zehua D., Lian Z. Modified coprecipitation process of synthesizing Bi-system superconductor precursors powder and its stoichiometry. Science China. E39:1996;181-190.
13. Popa M., Totovana A., Popescu L., Dragan N., Zaharescu M. Reactivity of the Bi, Sr, Ca, Cu oxalate powders used in BSCCO preparation. J. Eur. Ceram. Soc. 18:1998;1265-1271.
14. Carim A.H., Kentgens P.M., Hengst J.H.T., de Leeuw D.M., Mutsaers C.A.H.A. Structure and composition in the superconductive Bi-Sr-Ca-Cu-O system. J. Mater. Res. 3:1988;1317-1326.
15. 10+δ. J. Mater. Res. 8:1993;1268-1276.
16. c phases in the Pb and Sb doped BiSrCaCuO system. Mater. Sci. Engng. A109:1989;289-292.
17. Zaharescu M., Marta L., Popa M., Crisan D. Influence of Pb addition on superconducting phases formation in BiSrCaCuO system via oxalate route. Vincenzini P. Proceedings of the 8th CIMTEC World Ceramics Congress & Forum on New Materials. 1995;409-416 Techna, Faenza.
18. Marta, L., Horovitz, O. and Zaharescu, M. Calculation of oxalate coprecipitation conditions for the synthesis of superconducting compounds. In Key Engng. Mater. Vols 132-136, Trans Tech, Switzerland, 1997, pp. 1239-1242.
19. Popa, M. and Zaharescu, M. TEM studies on the formation of superconducting phases in the Bi-based superconductors obtained by oxalate coprecipitation. In Proceedings of the 6th Conference of the European Ceramic Society, ed. IOM Commun., London, 1999, pp. 159-160.