Science Advances

This PDF file includes:

• Experimental methods and supplementary data
  
• Theory of superconducting pairing in epitaxial bismuth/nickel bilayers
  
• fig. S1. Schematic of Sagnac interferometer.
  
• fig. S2. RHEED patterns of the substrate and the sample.
  
• fig. S3. Supplementary data of the Bi (25 nm)/Ni (2 nm) sample.
  
• fig. S4. Dependence of the critical temperature T_c on the thickness of the Bi and
  Ni layers.
  
• fig. S5. Kerr signal of the Bi (40 nm)/Ni (2 nm) sample.
  
• fig. S6. Optical signal from the MgO substrate.
  
• References (31–41)

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