STM STUDIES OF GROWTH SPIRALS IN BULK SINGLE-CRYSTALS OF SUPERCONDUCTING Y-123 AND BI-2122

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Title:	STM STUDIES OF GROWTH SPIRALS IN BULK SINGLE-CRYSTALS OF SUPERCONDUCTING Y-123 AND BI-2122
Authors:	NARLIKAR, AV DUTTA, PK SAMANTA, SB SRIVASTAVA, ON RAMASAMY, P SABARWAL, SC GUPTA, MK PADALIA, BD
Issue Date:	1992
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.
URI:	http://dx.doi.org/10.1016/0022-0248(92)90111-U http://dspace.library.iitb.ac.in/xmlui/handle/10054/7000 http://hdl.handle.net/10054/7000
ISSN:	0022-0248
Appears in Collections:	Article

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