Volume 73, Number 2, January 2006
|Page(s)||260 - 266|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||02 December 2005|
Pressure effect on the pseudogap in the optimally doped high-temperature superconductor
Laboratory for Neutron Scattering, ETH Zurich & PSI Villigen CH-5232 Villigen PSI, Switzerland
2 Laboratory for Developments and Methods, Condensed Matter Research with Neutrons and Muons - CH-5232 Villigen PSI, Switzerland
Accepted: 4 October 2005
The effect of hydrostatic pressure on the relaxation rate of crystal-field excitations in the optimally doped high-Tc superconductor () has been investigated by means of inelastic neutron scattering. The temperature T* where the pseudogap opens is found to shift downwards from () to () and to (), i.e., .
PACS: 74.62.Fj – Pressure effects / 76.30.Kg – Rare-earth ions and impurities / 78.70.Nx – Neutron inelastic scattering
© EDP Sciences, 2006
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