NDLI: Enhancing the superconducting properties of Y-Ba-Cu-O by CuO/sub 2/ site doping

Content Provider	IEEE Xplore Digital Library
Author	Zhou, Yu.X. Wai Lo Tang, T.B. Salama, K.
Copyright Year	2002
Abstract	The incorporation of certain cations such as Zn/sup 2+/ onto the ab-planes of the YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// [123] lattice is known to have effects on the superconducting critical transition temperature. On manipulating the distance between the dopant sites, isolated weak superconducting regions with dimensions comparable to the coherence length of YBCO can be introduced into melt textured large YBCO grains. This paper presents a study using electron microprobe analysis, microscopy and transport property measurements on the processing and the distribution of Zn/sup 2+/ in Zn-YBCO so as to understand as well as optimize the processing conditions, doping level, T/sub c/, flux pinning behaviour and field trapping properties of these materials. These results were correlated with the solidification mechanisms of YBCO as well as the size of weak superconducting regions induced by Zn/sup 2+/.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3700
Ending Page	3705
Page Count	6
File Size	614634
File Format	PDF
ISSN	10518223
Volume Number	11
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Yttrium barium copper oxide Doping Superconducting transition temperature Superconductivity Superconducting magnets Zinc Telephony Superconducting materials Electrons Flux pinning
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Improved Flux Pinning in Y–Ba–Cu–O Superconductors Containing Niobium Oxide

Fabrication of Ca-doped large grain Y-Ba-Cu-O superconductors

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Thermally induced flux motion in grain aligned Y-Ba-Cu-O

Enhanced $J_{c}$ in $hbox{rm YBa}_{2}hbox{rm Cu}_{3}hbox{O}_{7 - delta}$ Thin Films by Low-Level Cr Doping

Aspects of forming metal-clad melt-processed Y-Ba-Cu-O tapes

Preparation of Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O thin films

Enhancing the superconducting properties of Y-Ba-Cu-O by CuO/sub 2/ site doping

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