Depth-resolved measurement of the Meissner screening profile in a niobium thin film from spin-lattice relaxation of the implanted $\beta$-emitter ${}^8$Li

Ryan M. L. McFadden, Md Asaduzzaman, Terry J. Buck +11

We report measurements of the Meissner screening profile in a Nb(300 nm)/Al${}_2$O${}_3$ thin film using ${}^8$Li $\beta$-detected nuclear magnetic resonance ($\beta$-NMR). The NMR probe $…