Direct observation of in-plane anisotropy of the superconducting critical current density in Ba(Fe_1−xCo_x)_2As_2 crystals - J. Hecher, S. Ishida, D. Song, H. Ogino, A. Iyo, H. Eisaki, M. Nakajima, D. Kagerbauer,; M. Eisterer (American Physical Society (APS), 2018)
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