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Urbano RR, Pagliuso PG, Rettori C, et al. Field distribution and flux-line depinning in MgB (2). Phys Rev Lett. 2002;89(8):087602doi: 10.1103/PhysRevLett.89.087602.
Urbano, R. R., Pagliuso, P. G., Rettori, C., Kopelevich, Y., Moreno, N. O., & Sarrao, J. L. (2002). Field distribution and flux-line depinning in MgB (2). Physical review letters, 89(8), 087602. https://doi.org/10.1103/PhysRevLett.89.087602
Urbano, R R, et al. "Field distribution and flux-line depinning in MgB (2)." Physical review letters vol. 89,8 (2002): 087602. doi: https://doi.org/10.1103/PhysRevLett.89.087602
Urbano RR, Pagliuso PG, Rettori C, Kopelevich Y, Moreno NO, Sarrao JL. Field distribution and flux-line depinning in MgB (2). Phys Rev Lett. 2002 Aug 19;89(8):087602. doi: 10.1103/PhysRevLett.89.087602. Epub 2002 Aug 06. PMID: 12190500.
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Phys Rev Lett. 2002 Aug 19;89(8):087602. doi: 10.1103/PhysRevLett.89.087602. Epub 2002 Aug 06.

Field distribution and flux-line depinning in MgB (2).

Physical review letters

R R Urbano, P G Pagliuso, C Rettori, Y Kopelevich, N O Moreno, J L Sarrao

Affiliations

  1. IFGW-UNICAMP, 13083-970 Campinas-SP, Brazil.

PMID: 12190500 DOI: 10.1103/PhysRevLett.89.087602

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) approximately 39 K) at 4.1 GHz (1455 Oe) and 9.5 GHz (3390 Oe). The field distribution, n(H), and a standard deviation of sigma approximately 14 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.

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