中国物理快报  2015, Vol. 32 Issue (07): 77401-077401    DOI: 10.1088/0256-307X/32/7/077401
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Doping Induced Gap Anisotropy in Iron-Based Superconductors: a Point-Contact Andreev Reflection Study of BaFe2−xNixAs2 Single Crystals
ZHU Jun1, WANG Zhao-Sheng1, WANG Zhen-Yu1, HOU Xing-Yuan1, LUO Hui-Qian1, LU Xing-Ye1, LI Chun-Hong1, SHAN Lei1, WEN Hai-Hu2, REN Cong1**
1National Laboratory for Superconductivity, Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100190
2Department of Physics, Nanjing University, Nanjing 210093