Author(s): Shunsuke Yoshizawa, Howon Kim, Takuto Kawakami, Yuki Nagai, Tomonobu Nakayama, Xiao Hu, Yukio Hasegawa, and Takashi Uchihashi
Single-atomic-step imperfections on the surface of superconducting films behave like Josephson junctions.
[Phys. Rev. Lett. 113, 247004] Published Wed Dec 10, 2014