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Abstract:

The peak effect (PE) in the critical current density of type II superconductors has been related to an order-disorder transition in the vortex lattice (VL), but its underlying physics remains a controversial issue. Intrinsic to the PE are strong metastabilities that frequently mask the stationary VL configurations. We follow shaking and thermal protocols in NbSe2 single crystals to access these configurations and examine them by linear ac susceptibility measurements that avoid VL reorganization. We identify three different regions. For TT2(H), configurations are fully disordered and no metastability is observed. In the T1

Registro:

Documento: Artículo
Título:Ordered, disordered, and coexistent stable vortex lattices in NbSe2 single crystals
Autor:Pasquini, G.; Daroca, D.P.; Chiliotte, C.; Lozano, G.S.; Bekeris, V.
Filiación:Departamento de Física, FCEyN, Ciudad Universitaria, Pabellon 1, Buenos Aires, Argentina
Palabras clave:AC susceptibility measurements; Meta stability; Metastabilities; Order disorder transition (ODT); Peak effects; Stable vortex; Type II superconductors; Vortex lattice (VL)
Año:2008
Volumen:100
Número:24
DOI: http://dx.doi.org/10.1103/PhysRevLett.100.247003
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v100_n24_p_Pasquini

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Citas:

---------- APA ----------
Pasquini, G., Daroca, D.P., Chiliotte, C., Lozano, G.S. & Bekeris, V. (2008) . Ordered, disordered, and coexistent stable vortex lattices in NbSe2 single crystals. Physical Review Letters, 100(24).
http://dx.doi.org/10.1103/PhysRevLett.100.247003
---------- CHICAGO ----------
Pasquini, G., Daroca, D.P., Chiliotte, C., Lozano, G.S., Bekeris, V. "Ordered, disordered, and coexistent stable vortex lattices in NbSe2 single crystals" . Physical Review Letters 100, no. 24 (2008).
http://dx.doi.org/10.1103/PhysRevLett.100.247003
---------- MLA ----------
Pasquini, G., Daroca, D.P., Chiliotte, C., Lozano, G.S., Bekeris, V. "Ordered, disordered, and coexistent stable vortex lattices in NbSe2 single crystals" . Physical Review Letters, vol. 100, no. 24, 2008.
http://dx.doi.org/10.1103/PhysRevLett.100.247003
---------- VANCOUVER ----------
Pasquini, G., Daroca, D.P., Chiliotte, C., Lozano, G.S., Bekeris, V. Ordered, disordered, and coexistent stable vortex lattices in NbSe2 single crystals. Phys Rev Lett. 2008;100(24).
http://dx.doi.org/10.1103/PhysRevLett.100.247003