TY - JOUR
T1 - Study of the intermediate mixed-valence superconductor CeRu3Si2 under pressure
AU - Meng, R. L.
AU - Hor, P. H.
AU - Yomo, S.
AU - Chu, C. W.
N1 - Funding Information:
*On leave from Physics Institute, Chinese Academy of Sciences, Beijing, China. **On leave from Tokai University at Sapporo, Japan. ***Supported by the Low Temperature Physics Program NSF Grant No. DMR-8204173 and Energy Laboratory of the University of Houston.
PY - 1985/12/2
Y1 - 1985/12/2
N2 - We have measured the resistance of CeRu3.5Si2 under pressures up to 18 kbar down to 1 K. The extra Ru was introduced to stabilize the desired CeRu3Si2 phase. Under pressure, the resistance of CeRu3Si2 varies as R(T) = R0 + αT2 at low temperature and both R0 and α change drastically. The residual resistance R0 decreases rapidly but linearly with pressure increase. On the other hand, the superconducting transition temperature Tc increases with pressure at a rate of 3.7 × 10-5 K bar-1. These observations can be explained consistently in terms of a 4f-density of states reduction under pressure.
AB - We have measured the resistance of CeRu3.5Si2 under pressures up to 18 kbar down to 1 K. The extra Ru was introduced to stabilize the desired CeRu3Si2 phase. Under pressure, the resistance of CeRu3Si2 varies as R(T) = R0 + αT2 at low temperature and both R0 and α change drastically. The residual resistance R0 decreases rapidly but linearly with pressure increase. On the other hand, the superconducting transition temperature Tc increases with pressure at a rate of 3.7 × 10-5 K bar-1. These observations can be explained consistently in terms of a 4f-density of states reduction under pressure.
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U2 - 10.1016/0378-4363(85)90514-5
DO - 10.1016/0378-4363(85)90514-5
M3 - Article
AN - SCOPUS:0022199406
VL - 135
SP - 394
EP - 396
JO - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics
JF - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics
SN - 0378-4363
IS - 1-3
ER -