Effect of pressure on the superconducting transition temperature of the (Y1.2Ba0.8)4Cu4O16−δ ceramic compound

1987 ◽  
Vol 126 (2) ◽  
pp. 130-132 ◽  
Author(s):  
J. Baszyński ◽  
M. Maćkowiak ◽  
M. Zdanowska-Fra̧zek
Keyword(s):  
Transition Temperature ◽  
Superconducting Transition Temperature ◽  
Superconducting Transition ◽  
Effect Of Pressure ◽  
Ceramic Compound

EFFECT OF PRESSURE ON INTERLAYER COUPLING AND SUPERCONDUCTING TRANSITION TEMPERATURE OF Bi-2201 AND Bi-2212

1999 ◽  
Vol 13 (29n31) ◽  
pp. 3744-3746 ◽  
Author(s):  
AUGUST YURGENS ◽  
DAG WINKLER ◽  
TORD CLAESON ◽  
TAKASHI MURAYAMA ◽  
YOICHI ANDO
Keyword(s):  
Transition Temperature ◽  
Critical Temperature ◽  
Hydrostatic Pressure ◽  
Single Crystals ◽  
Critical Current ◽  
Superconducting Transition Temperature ◽  
Interlayer Coupling ◽  
Superconducting Transition ◽  
Effect Of Pressure

We used the hydrostatic pressure P<1 GPa as a tool to change the c-axis interlayer coupling of Bi 2 Sr 1.5 La 0.5 CuO 6+δ (Bi-2201) and Bi 2 Sr 2 CaCu 2 O 8+δ (Bi-2212) single crystals. The c-axis critical current, as a measure of the interlayer coupling, drastically increases with pressure (up to 270% GPa -1). The superconducting critical temperature, on the contrary, only slightly increases with a rate of ≈ 2 - 6% GPa -1, This implies that the CuO-interlayer coupling has little effect on Tc in Bi-2201.

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