| Issue |
Europhys. Lett.
Volume 51, Number 3, August I 2000
|
|
|---|---|---|
| Page(s) | 348 - 354 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00359-2 | |
| Published online | 01 September 2002 | |
Commensurate suppression of vortex-lattice melting by pins of column defect lattice
Department of Physics, Fudan University - Shanghai 200433, PRC
Received:
26
January
2000
Accepted:
24
May
2000
We consider the effects of a lattice of columnar defects (produced by
ionic bombardment through a periodically perforated mask) and find that
with commensurate matching the vortex-lattice melting is suppressed:
the temperature-field curve near 
has a series of plateaus.
Pin-spacing disorder above certain critical values washes out the plateaus.
PACS: 74.60.Ge – Flux pinning, flux creep, and flux-line lattice dynamics / 74.60.Ec – Mixed state, critical fields, and surface sheath
© EDP Sciences, 2000
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