Giant suppression of superconductivity at x=0.21 in the Zn-substituted La2-xSrxCu1-yZnyO4 single crystals

Citation
T. Kawamata et al., Giant suppression of superconductivity at x=0.21 in the Zn-substituted La2-xSrxCu1-yZnyO4 single crystals, PHYS REV B, 62(18), 2000, pp. R11981-R11984
Citations number
32
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
62
Issue
18
Year of publication
2000
Pages
R11981 - R11984
Database
ISI
SICI code
0163-1829(20001101)62:18<R11981:GSOSAX>2.0.ZU;2-A
Abstract
We have found a little suppression of superconductivity at x=0.21 in La2-xS rxCuO4 single crystals and, moreover, a giant suppression of superconductiv ity at x=0.21 through the 1% substitution of Zn for Cu. In the Zn-substitut ed La2-xSrxCu1-yZnyO4 single crystal with x=0.21 and y=0.01, the resistivit y exhibits an upturn at low temperatures below similar to 80 K. These resul ts suggest that the dynamical stripe correlations of spins and holes are pi nned by a small amount of Zn at x=0.21, leading to a static stripe order an d the giant suppression of superconductivity, as in the case of x=0.115.