Shift of superconducting transition temperatures in magnetic superconductor RuSr2(Eu1.5Ce0.5)Cu2O10-d under influence of annealing in high pressure oxygen atmosphere

2016 ◽  
Vol 23 (2) ◽  
pp. 165-169
Author(s):  
E.Yu. Beliayev ◽  
Keyword(s):  
High Pressure ◽  
Oxygen Atmosphere ◽  
Transition Temperatures ◽  
Superconducting Transition ◽  
Magnetic Superconductor ◽  
Pressure Oxygen ◽  
High Pressure Oxygen

Superconductivity and Magnetic Properties of High-Pressure Oxygen Synthesized Ru1−xSr2GdCu2+xO8-z Compounds

2000 ◽  
Vol 659 ◽  
Author(s):  
P.W. Klamut ◽  
B. Dabrowski ◽  
M. Maxwell ◽  
J. Mais
Keyword(s):  
High Pressure ◽  
Magnetic Properties ◽  
Low Temperatures ◽  
Magnetic Characteristics ◽  
Two Dimensional ◽  
Superconducting Transition ◽  
Pressure Oxygen ◽  
Oxygen Conditions ◽  
High Pressure Oxygen ◽  
Existing Data

ABSTRACTWe report on the new superconducting materials with the formula Ru1−xSr2GdCu2+xO8-z that have been synthesized under high-pressure oxygen conditions. By changing the ratio between Ru and Cu in the compound we were able to increase the temperature of the superconducting transition up to 72 K for x=0.3 and 0.4. Reentrant dependencies of the magnetization found at low temperatures are qualitatively explained assuming a quasi two-dimensional character of the superconducting regions. The magnetic characteristics of these compounds are discussed and compared to the existing data on RuSr2GdCu2O8 magnetic superconductor (Tcon=45K, TN=132 K).

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