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NdFeAsO^sub 1-x^F^sub x^ Superconductor - Impact of Fluorine Variation on Microstructure and Transport Properties
Ist Teil von
Journal of the American Ceramic Society, 2013-04, Vol.96 (4), p.1176
Ort / Verlag
Columbus: Wiley Subscription Services, Inc
Erscheinungsjahr
2013
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Polycrystalline samples of NdFeAsO...F... (Nd1111) with x = 0, 0.1, 0.2, 0.3, and 0.4 were synthesized using a solid-state method at ambient pressures. A maximum transition temperature (T...) of 52.0 K and a J... of 1050 A/cm... at 12 K were observed for x = 0.3 and 0.4, respectively. The transport and magnetic properties observed for each stoichiometry have remarkable correlation with their corresponding structural and microstructural aspects. Moreover, the superconducting properties exhibited in this material, processed at a relatively low temperature of 1000...C, are competitive as compared to the existing reports wherein high pressures/temperatures are inevitable. (ProQuest: ... denotes formulae/symbols omitted.)