Journal
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
Volume 24, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-2048/24/6/065004
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Funding
- Natural Science Foundation of China
- Ministry of Science and Technology of China [2010CB833102, 2010CB923002, 2011CBA00110]
- Chinese Academy of Sciences
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We have successfully grown large single crystals of BaFe2-xNixAs2 with a series of Ni doping levels from x = 0 to x = 0.30 by the self-flux method. The resistivity and AC susceptibility measurements show that the superconductivity (SC) smoothly emerges at x approximate to 0.05, while the antiferromagnetism (AFM) survives up to x approximate to 0.092. We provide a detailed phase diagram of the BaFe2-xNixAs2 system and suggest that a quantum critical point (QCP) may be located at x = 0.096 +/- 0.04.
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