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16. Magnetization and characteristic fields in Nd0.8Ba0.2FeAsO0.6F0.4 with binary doping

Author

Qu, C.Q., Cai, C.B., Wang, M.F., Chen, C.Z., and Huang, F.Q.

Subjects
*MAGNETIZATION, *OXIDES, *SEMICONDUCTOR doping, *BINARY metallic systems, *TRANSPORT theory, *TEMPERATURE effect, *CRITICAL currents, *FLUX pinning, *CREEP (Materials)
Abstract

Abstract: In the present work, the iron oxypnictide superconductor of the namely Nd0.8Ba0.2FeAsO0.6F0.4 is prepared with respect to the observation of distinct magnetization characteristics arising from both electron and hole doping. A magnetothermal phase diagram is given for the present iron oxypnictide system, based on the irreversibility fields () and the upper critical fields () obtained from magnetotransport measurements, as well as the lower critical fields () evaluated by magnetization loops at various temperatures. High are revealed at low temperature range, which is in consistent with the observations of comparatively high critical current () and the temperature dependent peak effect in the vs curves. [Copyright &y& Elsevier]

Published
2011
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