Issue |
Europhys. Lett.
Volume 67, Number 4, August 2004
|
|
---|---|---|
Page(s) | 655 - 661 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2004-10093-9 | |
Published online | 01 August 2004 |
Peak effect and surface crystal-glass transition for surface-pinned vortex array
1
Laboratoire Pierre Aigrain, Département de Physique de l'Ecole Normale Supérieure 24 rue Lhomond, 75005 Paris, France
2
Racah Institute of Physics, Hebrew University of Jerusalem - Jerusalem 91904, Israel
Received:
5
March
2004
Accepted:
7
June
2004
We present a theoretical and experimental study of the peak effect
in the surface pinning of vortices. It is associated with a sharp
transition in the vortex slippage length which we relate to a
crossover from a weakly disordered crystal to a surface glass
state. Experiments are performed on ion-beam–etched
crystals. The slippage length is deduced from
1
–1
linear AC penetration depth measurements.
PACS: 74.25.Qt – Vortex lattices, flux pinning, flux creep / 64.60.Cn – Order-isorder transformations; statistical mechanics of model systems
© EDP Sciences, 2004
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