Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/66923
Type: Artigo de periódico
Title: Field distribution and flux-line depinning in MgB2
Author: Urbano, RR
Pagliuso, PG
Rettori, C
Kopelevich, Y
Moreno, NO
Sarrao, JL
Abstract: We report the first observation of the field distribution and flux-line lattice (FLL) depinning in the vortex-state (VS) of a type-II superconductor probed by conduction electron spin resonance (CESR). CESR was performed in MgB (2) (T(c)similar or equal to39 K) at 4.1 GHz (1455 Oe) and 9.5 GHz (3390 Oe). The field distribution, n(H), and a standard deviation of sigmasimilar to14 Oe (at 28 K/4.1 GHz and at 7 K/9.5 GHz) were inferred, respectively, from the distortion and broadening of the CESR in the VS. For both frequencies, the FLL depinning temperature was determined.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.89.087602
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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