NDLI: Nucleation and growth of single- and multiple-domain YBa/sub 2/Cu/sub 3/O/sub x/ levitators: influence of seed crystallography

Content Provider	IEEE Xplore Digital Library
Author	Todt, V.R. Zhang, X.F. Miller, D.J.
Copyright Year	2002
Abstract	Large diameter YBa/sub 2/Cu/sub 3/O/sub x/ levitators have been fabricated using seeded melt processing. Two types of levitators have been produced: single-domain, obtained using flat NdBa/sub 2/Cu/sub 3/O/sub x/ seeds, and five-domain, obtained using cubic NdBa/sub 2/Cu/sub 3/O/sub x/ seeds. The difference in these two types of levitators can be attributed to differences in nucleation and solidification processes. In particular, the nucleation of multiple (five) domain levitators may be related directly to the crystallography of the cubic seeding crystals which also exhibit a multiple-domain structure. Single-domain levitators are produced by seeding with plate-like seed crystals which are composed of a single domain. Subsequent growth of the levitator is dominated by anisotropic solidification. Using these types of seeds, we developed a dual-seeded melt textured growth process for the production of bulk bicrystals which are useful for studies of grain boundary transport behavior.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1801
Ending Page	1804
Page Count	4
File Size	854314
File Format	PDF
ISSN	10518223
Volume Number	7
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Crystals Grain boundaries Yttrium barium copper oxide Temperature distribution Crystallography Materials science and technology Magnetic levitation Production Superconductivity High temperature superconductors
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Nucleation and growth of single- and multiple-domain YBa{sub 2}Cu{sub 3}O{sub x} levitators: Influence of seed crystallography

YBa/sub 2/Cu/sub 3/O/sub 7-x/ grain boundary Josephson junctions with a MgO seed layer

Artificial grain boundaries of YBa/sub 2/Cu/sub 3/O/sub 7-x/ on MgO bicrystals

Rejoining of single grain melt textured bulk YBa/sub 2/Cu/sub 3/O/sub 7-x/

Crystal growth of YBa/sub 2/Cu/sub 3/O/sub 7-X/ thin films prepared by TFA-MOD method

YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// bicrystal grain boundary T/sub c/ microstructure

Parallel plate resonators in YBa/sub 2/Cu/sub 3/O/sub 7/ bicrystal grain boundaries

Surface resistance of bulk and thick film YBa/sub 2/Cu/sub 3/O/sub x//ss

Strongly Coupled Artificial Bulk HTS Grain Boundaries With High Critical Current Densities

Nucleation and growth of single- and multiple-domain YBa/sub 2/Cu/sub 3/O/sub x/ levitators: influence of seed crystallography

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Nucleation and growth of single- and multiple-domain YBa{sub 2}Cu{sub 3}O{sub x} levitators: Influence of seed crystallography

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