NDLI: Improvement of critical current density in thallium-based (tl,bi)sr(1.6)ba(0.4)ca2cu3o(x) superconductors

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Improvement of critical current density in thallium-based (tl,bi)sr(1.6)ba(0.4)ca2cu3o(x) superconductors

Content Provider	NASA Technical Reports Server (NTRS)
Author	Goretta, K. C. Wang, J. H. Ren, Z. F. Wang, C. A. Miller, D. J.
Copyright Year	1995
Description	Epitaxial (Tl,Bi)Sr(1.6)Ba(0.4)Ca2Cu3O(x) ((Tl,Bi)-1223) thin films on (100) single crystal LaAlO3 substrates were synthesized by a two-step procedure. Phase development, microstructure, and relationships between film and substrate were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Resistance versus temperature, zero-field-cooled and field cooled magnetization, and transport critical current density (J(sub c)) were measured. The zero-resistance temperature was 105-111 K. J(sub c) at 77 K and zero field was greater than 2 x 10(exp 6) A/sq cm. The films exhibited good flux pinning properties.
File Size	4215916
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19960000301
Archival Resource Key	ark:/13960/t1hj1ft4p
Language	English
Publisher Date	1995-04-01
Access Restriction	Open
Subject Keyword	Solid-state Physics Temperature Distribution Scanning Electron Microscopy Magnetization Epitaxy Bismuth Oxides Thallium Compounds X Ray Diffraction Substrates Thin Films Single Crystals Strontium Oxides Calcium Oxides Transmission Electron Microscopy Flux Pinning Electrical Resistivity Superconductors Materials Barium Oxides Microstructure Current Density Copper Oxides Crystal Structure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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