| Records |
| Author |
Aragón Sánchez, J.; Cortés Maldonado, R.; Dolz, M.I.; CejasBolecek, N.R.; van der Beek, C.J.; Konczykowski, M.; Fasano, Y. |
| Title |
Direct visualization of local interaction forces in Bi2Sr2CaCu2O8+δ vortex matter |
Type |
Journal Article |
| Year |
2019 |
Publication |
Materials Today: Proceedings |
Abbreviated Journal |
XXIII Latin American Symposium on Solid State Physics (SLAFES XXIII), San Carlos de Bariloche, Argen |
| Volume |
14 |
Issue |
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Pages |
34-37 |
| Keywords |
Vortex matter; Pinning forces; Layered superconductors |
| Abstract |
We study the local vortex-vortex interaction force fi of the structure frozen during a field-cooling process in an electron-irradiated Bi2Sr2CaCu2O8+δ sample. We compute this magnitude from snapshots of the vortex structure obtained via magnetic decoration experiments at various fields H in the same sample. Since the observed structures correspond to the equilibrium ones frozen at T∼Tirr(H)[1], at this temperature the local modulus of fi roughly equals the local pinning force at the decorated surface of the sample. We estimate the most probable local pinning force from the mode value of the fi(r)distribution, fpm. We found that fpm grows algebraically with H and in electron-irradiated samples is 50-20% smaller than for samples with columnar defects. |
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2214-7853 |
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| Call Number |
BT @ pedrazp @ |
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852 |
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| Author |
Luzuriaga, J.; D'Ovidio, C.; de la Cruz, F. |
| Title |
Ideal two dimensional flux pinning induced by annealing in superconducting amorphous Zr75Rh25 |
Type |
Journal Article |
| Year |
1986 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
57 |
Issue |
9 |
Pages |
753-756 |
| Keywords |
ZIRCONIUM COMPOUNDS – Physical Properties; CRITICAL CURRENT; FLUX PINNING; MELT SPINNING; PINNING FORCES; SUPERCONDUCTING MATRIX; SUPERCONDUCTING MATERIALS |
| Abstract |
By annealing amorphous Zr75Rh25 prepared by melt spinning an ideal behaviour of the critical current was observed, in which the measured pinning forces are seen to follow the two dimensional Larkin-Orchivnikov theory. In the region where this theory is valid the changes in the pinning forces can be explained by the changes in the superconducting matrix and it can be assumed that the pinning centers do not change with the heat treatment. |
| Address |
Centro Atomico Bariloche, Instituto Balseiro, 8400 Bariloche, Argentina |
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00381098 (ISSN) |
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Export Date: 28 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Luzuriaga, J.; Centro Atomico Bariloche; Instituto Balseiro 8400 Bariloche, Argentina |
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no |
| Call Number |
BT @ luzuriag @ |
Serial |
501 |
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| Author |
Osquiguil, E.; Frank, V.L.P.; de la Cruz, F. |
| Title |
Two dimensional collective flux pinning in melt spun superconducting amorphous Zr70Cu30 |
Type |
Journal Article |
| Year |
1985 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
55 |
Issue |
3 |
Pages |
227-230 |
| Keywords |
ZIRCONIUM COPPER ALLOYS – Amorphous; CRITICAL CURRENTS; PINNING FORCES; SUPERCONDUCTING MATERIALS |
| Abstract |
We have measured the critical currents in melt spun amorphous Zr70Cu30 and their evolution with heat treatment. We found that the pinning forces may be interpreted in terms of the Larkin-Ovchinnikov two dimensional collective pinning theory. |
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Centro Atómico Bariloche – Instituto Balseiro, Argentina |
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00381098 (ISSN) |
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Cited By (since 1996): 1; Export Date: 17 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Osquiguil, E.J.; Centro At |
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BT @ osquigui @ |
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420 |
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