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Levitation force at different temperatures and superconducting properties of nano-structured MgB2 superconductors

Abstract:

The levitation and pinning force properties of nanocrystalline MgB2 superconductors prepared by a mechanical alloying technique with varying milling duration have been investigated. Levitation force measurements under zero-field-cooled regime were carried out at different temperatures (16, 25 and 30 K) as a function of the gap between bottom surface of the superconductor and the top surface of a cylindrical Nd-Fe-B permanent magnet whose diameter and height are 30 mm. An increase in the levit...

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Publication status:
Published

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Journal:
JOURNAL OF ALLOYS AND COMPOUNDS
Volume:
492
Issue:
1-2
Pages:
48-51
Publication date:
2010-03-04
DOI:
ISSN:
0925-8388
URN:
uuid:2a111326-e5bd-483d-a1df-8d74196bf3be
Source identifiers:
52645
Local pid:
pubs:52645

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