NDLI: Properties of Mg-doped Nd-Ba-Cu-O generic seed crystals for the top seeded melt growth of (RE)-Ba-Cu-O bulk superconductors

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Properties of Mg-doped Nd-Ba-Cu-O generic seed crystals for the top seeded melt growth of (RE)-Ba-Cu-O bulk superconductors

Content Provider	Semantic Scholar
Author	Shi, Yunhua Babu, Nadendla Hari Iida, K. Cardwell, David A.
Copyright Year	2006
Abstract	We have recently developed a new generic seed crystal that has been used successfully to fabricate any oriented, single grain (RE)-Ba-Cu-O bulk superconductor by a cold seeding technique. In this paper we report the chemical, structural and microstructural properties of these seed crystals, including the variation of melting point, crystallographic parameters and volume fraction of Mg-rich inclusions in the Nd1 + xBa2-x(Cu1-yMgy)3Oz matrix as a function of externally added MgO content. The influence of Mg-doping on the superconducting transition temperatures of YBCO grains fabricated using these seeds is investigated. Finally, an optimum MgO content of the generic seed that effectively controls the orientation of the seeded grain without compromising its superconducting properties is suggested from the many seed crystals fabricated with a wide range of Mg-rich addition.
Starting Page	446
Ending Page	449
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1088/1742-6596/43/1/111
Volume Number	43
Alternate Webpage(s)	http://bura.brunel.ac.uk/bitstream/2438/10712/1/FullText.pdf
Alternate Webpage(s)	https://doi.org/10.1088/1742-6596%2F43%2F1%2F111
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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