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|Title:||STM STUDIES OF GROWTH SPIRALS IN BULK SINGLE-CRYSTALS OF SUPERCONDUCTING Y-123 AND BI-2122|
|Publisher:||ELSEVIER SCIENCE BV|
|Citation:||JOURNAL OF CRYSTAL GROWTH, 116(1-2), 37-40|
|Abstract:||The STM observations of growth spirals in bulk single crystals of Y-123 and Bi-2122 high Tc cuprates are reported for the first time. The density of screw dislocations present is of the same order as recently reported for sputtered epitaxial thin films of Y-123. Growth features are briefly discussed and it is argued that the observed dislocation density is still too low for realizing optimum flux pinning in these HTSC systems.|
|Appears in Collections:||Article|
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