Flux-pinning related defect structures in melt-processed $$YBa_2Cu_3O_{7-x}$$
Conference
·
OSTI ID:10159002
(HREM was used.) Stacking faults lying parallel to the (001) basal plane are observed near the Y211/Y123 (Y{sub 2}BaCu{sub 5}O/YBa{sub 2}Cu{sub 3}O{sub 7-{delta}}) interfaces in Y123. These stacking faults are produced by either excess single Cu-O layers or double Cu-O and Y-O layers. Y enrichment and Ba depletion were observed near the Y211/Y123 interface; this is consistent with dissolution of trapped Y211. Such diffusion effects and stress due to lattice mismatch at Y211/Y123 interfaces may be the mechanisms for generating stacking faults around the Y211 particles in the Y123 matrix. A new type of defect with displacement vector 1/6[032] or 1/6[302] was also observed. (DLC)
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 10159002
- Report Number(s):
- CONF-930822--5; ON: DE93012759
- Country of Publication:
- United States
- Language:
- English
Similar Records
Defects near the Y{sub 2}BaCuO{sub 5}/YBa{sub 2}Cu{sub 3}O{sub 7{minus}x} interface and their effect on flux-pinning in melt- processed and quench-melt-growth processed YBa{sub 2}Cu{sub 3}O{sub 7{minus}x}
Defects near the Y sub 2 BaCuO sub 5 /YBa sub 2 Cu sub 3 O sub 7 minus x interface and their effect on flux-pinning in melt- processed and quench-melt-growth processed YBa sub 2 Cu sub 3 O sub 7 minus x
Influences of oxygen partial pressure on YBCO grain growth by a zone melting method
Conference
·
Mon Jun 01 00:00:00 EDT 1992
·
OSTI ID:10150795
Defects near the Y sub 2 BaCuO sub 5 /YBa sub 2 Cu sub 3 O sub 7 minus x interface and their effect on flux-pinning in melt- processed and quench-melt-growth processed YBa sub 2 Cu sub 3 O sub 7 minus x
Conference
·
Tue Dec 31 23:00:00 EST 1991
·
OSTI ID:5192766
Influences of oxygen partial pressure on YBCO grain growth by a zone melting method
Journal Article
·
Thu Oct 31 23:00:00 EST 1996
· Journal of Materials Research
·
OSTI ID:399777