Determination of critical superconducting parameters based on the study of the magnetization fluctuations for RE3Ba5Cu8O18-δ (RE= Sm, Eu, Gd, Dy and Ho) ceramic superconductor system

Gaona, I.M. Saavedra; Supelano, G. I.; Vargas, Carlos Arturo Parra

doi:10.1016/j.ceramint.2020.01.179

Cited by 4 publications

(5 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The Sm358 sample obtained for the first time by the combustion method exhibited a purity of 81%, which is higher than those reported up to now 16 . The use of citric acid as a chelating agent favors the homogeneous mixture of the precursors, avoiding the segregation processes and reducing the presence of unwanted crystalline phases.…”

Section: Resultscontrasting

confidence: 60%

“…It was possible to identify a main crystal phase corresponding to RE 3 Ba 5 Cu 8 O 18-δ (RE358), with orthorhombic structure and space-group Pmm2 (25). The secondary crystal phases were identified, REBa 2 Cu 3 O 6.4 (RE123), reported by other authors as the non-superconducting phase, with tetragonal structure of space group P4/mmm (123) 7,16 , and BaCuO 2 with cubic crystal structure of space-group Im-3m (229).…”

Section: Resultsmentioning

confidence: 91%

“…The T irr values were lower than T c , such as has been reported by other authors 24 . The magnetic behavior of the RE123 and BaCuO 2 materials has been previously analyzed 16,25 , demonstrating that these phases do not affect the superconducting response in the RE358 system.…”

Section: Resultsmentioning

confidence: 98%

“…Obtaining pure phase materials has not been reported up to now, and the percentage of superconducting phase has not exceeded 73%. Therefore, research to increase this percentage is still carrying out 14,16 .…”

Section: Introductionmentioning

confidence: 99%

“…Recent research reported the synthesis of the 16 . There are no reports about the synthesis of the Sm358 and La358 materials using the combustion method.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Synthesis of the La3Ba5Cu8O18-δ and Sm3Ba5Cu8O18-δ superconductors by the combustion and solid-state reaction methods

et al. 2021

View full text Add to dashboard Cite

In this paper, the synthesis of the La 3 Ba 5 Cu 8 O 18-δ and Sm 3 Ba 5 Cu 8 O 18-δ superconductors using the combustion method is reported for the first time. Besides, a comparison with the solid-state reaction method was performed. The materials were synthesized at 870 °C for 24 h under oxygen flow. Rietveld refinement showed materials with the main crystal phase corresponding to the orthorhombic structure of space-group Pmm2 (25), with purity in the range 51-85%, which had not reported for the RE358 systems. On the other hand, the magnetic measurements under external fields (30 and 100 Oe) confirmed the diamagnetic response associated with the Meissner effect, and T c values between 24 and 58 K.

show abstract

Section: Resultscontrasting

confidence: 60%

Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

“…Recent research reported the synthesis of the 16 . There are no reports about the synthesis of the Sm358 and La358 materials using the combustion method.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations