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Controlling the electromagnetic proximity effect by tuning the mixing between superconducting and ferromagnetic order
2019
Physical review B
We present low-energy muon-spin rotation measurements on Cu/Nb/AlO x /Co thin films that probe the newly described electromagnetic (EM) proximity effect. By varying the thickness of the insulating AlO x layer we control the degree of coupling between the superconductor and ferromagnet and thus the EM proximity effect. For barrier thicknesses up to 4 nm we find both a small contact-dependent reduction in the standard Meissner effect and a larger diamagnetic contribution originating at the Nb/AlO
doi:10.1103/physrevb.100.020505
fatcat:txqwz655mbfqlgdahsebyswebu