Enhanced transport and magnetic properties in gadolinium doped NdFeAsO{sub 0.7}F{sub 0.3} superconductors

The transport and magnetic properties of Gd doped NdFeAsO{sub 0.7}F{sub 0.3} (Nd1111) samples synthesized at ambient pressures were investigated. The sample with x = 0.15 shows a maximum T{sub C} of 55.1 K and a magnetic J{sub C} of 3.4 × 10{sup 3} A/cm{sup 2} at 5 K. A T{sub C} enhancement of 6.3 K...

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Bibliographic Details
Published in:AIP conference proceedings 2015-06, Vol.1665 (1)
Main Authors: Aswathy, P. M., Anooja, J. B., Varghese, Neson, Syamaprasad, U.
Format: Article
Language:English
Subjects:
COMPARATIVE EVALUATIONS
CONCENTRATION RATIO
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRITICAL CURRENT
CURRENT DENSITY
DOPED MATERIALS
GADOLINIUM
GADOLINIUM COMPOUNDS
IRON ARSENIDES
MAGNETIC PROPERTIES
NEODYMIUM FLUORIDES
SUPERCONDUCTORS
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Summary:The transport and magnetic properties of Gd doped NdFeAsO{sub 0.7}F{sub 0.3} (Nd1111) samples synthesized at ambient pressures were investigated. The sample with x = 0.15 shows a maximum T{sub C} of 55.1 K and a magnetic J{sub C} of 3.4 × 10{sup 3} A/cm{sup 2} at 5 K. A T{sub C} enhancement of 6.3 K and a J{sub C} enhancement by a factor of 2, is observed in the 15 % Gd doped sample as compared to the pure sample.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4918195