Scanning tunneling microscopic studies of growth spirals in bulk single crystals of

Narlikar, A.V.; Dutta, P.K.
April 1992
Applied Physics Letters;4/13/1992, Vol. 60 Issue 15, p1896
Academic Journal
Examines the growth spirals in bulk single crystal of high-temperature superconducting YBa[sub 2]Cu[sub 3]O[sub 7]. Use of scanning tunneling microscopy; Resolution of growth steps into substeps with each perovskite block; Association of screw dislocation with growth spirals; Conditions favorable for optimum flux pinning in the superconducting system.


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