| Issue |
Europhys. Lett.
Volume 66, Number 5, June 2004
|
|
|---|---|---|
| Page(s) | 722 - 728 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2004-10030-0 | |
| Published online | 01 May 2004 | |
Interplay between freezing and superconductivity
in the optimally doped 
under hydrostatic pressure
1
Laboratorium für Festkörperphysik HPF - ETH Hönggerberg CH-8093 Zürich, Switzerland
2
Max Planck Institute for Chemical Physics of Solids Noethnitzer Str. 40, D-01187 Dresden, Germany
3
Department of Physics, The Ohio State University - Columbus, OH 43210, USA
4
Physics Department, Brookhaven National Laboratory - Upton, NY 11973, USA
5
RWTH Aachen - D-52056 Aachen, Germany
6
Condensed Matter and Thermal Physics, Los Alamos National Laboratory Los Alamos, NM 8754, USA
Received:
22
January
2004
Accepted:
6
April
2004
We study the electronic properties of a single crystal
under hydrostatic pressure up to 2.9
. Both the freezing
of the 
3d moments and the structural transition from
the orthorhombic (LTO) to the tetragonal (LTT) phase are observed
via the relaxation of the nuclear magnetization of 
nuclei.
Resistivity and magnetic susceptibility measurements have been
carried out under pressure on the same sample. The combination of
all data reveals the connection between glassy dynamics, charge
localization and the disappearance of superconductivity in the
LTT phase.
PACS: 74.72.Dn – 
-based cuprates / 74.25.Ha – Magnetic properties / 74.62.Fj – Pressure effects
© EDP Sciences, 2004
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