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Image from scanning electron microscopy with polarization analysis of the magnetization of a Co layer sandwiched between Nb layers of a Josephson junction after undergoing a field-induced spin-flop transition. The polar histogram (right) shows the distribution (in gray) of magnetization angles in the image. [Carolin Klose, Trupti S. Khaire, Yixing Wang, W. P. Pratt, Jr., Norman O. Birge, B. J. McMorran, T. P. Ginley, J. A. Borchers, B. J. Kirby, B. B. Maranville, and J. Unguris, Phys. Rev. Lett. 108, 127002 (2012)] |


