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Vortex Kinks and Anysotropic Superconductor Magnetization Curve by Vladimir N. Zavaritsky; Nicolay V. Zavaritsky is a Physics and Astronomy article available to read on EtoBox.

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The magnetization cloves of the Bi~Sr2CaCu~O~ and YBa2Cu30, single crystals are studied in the whole range of angles between the applied field and (ab)-plane of the crystal at T=(20 + 86)K. The M(H)-curves for the tilt angles are exhibit three distinct peculiarities, corresponded to the penetration of the flux fines along and perpendicular to the Cu-O layers. The latter is originated from the vortex kinks formation; its value is strongly depend on the tilt angle. The crucial role of the anisotropy for this effect observation is confirmed. Layered structure of high-Te superconductors results in the pronounced anisotropy of their superconducting parameters. The effective mass ratios being ,~ 25 for Y1Ba2CusOr achieved values as large as ~ 4000 for Bi2Sr2C, aCu20s (Bi-2212). The important characteristic of layered superconductors is the d/~¢ ratio, where ~¢ is the coherence length along the c-axis direction and d is interlayer distance. The layered superconductor can be considered as being spatially homogeneous with the Abrikosov vortices lattice consisted of a periodically spaced straight lines in the case of small value of this ratio. In the opposite case of a well-pronounced

Who reads Vortex Kinks and Anysotropic Superconductor Magnetization Curve?

Author

Vladimir N. Zavaritsky; Nicolay V. Zavaritsky

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4534)

Published

1991

Language

EN

Field

Physics and Astronomy (Physical Sciences)