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Transport and magnetisation measurements of tl-1223 tapes - the nature of current paths and the role of grain boundaries at high magnetic fields

Abstract:

The key factors that make the thallium-based 1223 phase conductors attractive candidates for high field applications are a high transition temperature (∼ 115 K), and an irreversibility line comparable to YBa2Cu3O7. However, a third important factor is the grain boundary behaviour. We have made detailed transport current-voltage (I-V) and magnetic studies of a Ag-0. 1%Hf sheathed Tl-1223 tape. For low fields (B < 100 mT) its critical current density Jc performance displays the "weak-link" s...

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Journal:
IEEE Transactions on Applied Superconductivity
Volume:
7
Issue:
2 PART 2
Pages:
1965-1968
Publication date:
1997-01-01
ISSN:
1051-8223
Source identifiers:
410842
Language:
English
Pubs id:
pubs:410842
UUID:
uuid:6313d5f9-45ed-4eeb-ad96-a8ff6fc6982d
Local pid:
pubs:410842
Deposit date:
2013-11-17

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