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Anisotropic In-plane Resistivity and Magnetoresistance of the Detwinned BaFe2As2
Lin Jiao,Zong Fa Weng,Xue Yan Tang,Lu Kai Guo,Tian Shang,Lin Yang,Hui Qiu Yuan,Yu Ying Wu,Zheng Cai Xia 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
We have measured the electrical resistivity and the magnetoresistance of detwinned BaFe2As2single crystals in fields up to 16 Tesla. The temperature dependence of the resistivity shows acounterintuitive anisotropic behavior in the ab-plane, likely arising from the effect of the nematicsusceptibility. Little magnetoresistance is observed at temperatures above the structural/magnetictransition, below which a huge in-plane magnetoresistance with an anisotropy is detected.