Bi-Arrhenius diffusion and surface trapping of ${}^8$Li${}^{+}$ in rutile TiO${}_2$

A. Chatzichristos, R. M. L. McFadden, M. H. Dehn +11

We report measurements of the diffusion rate of isolated ion-implanted ${}^8$Li${}^{+}$ within $\sim$120 nm of the surface of oriented single-crystal rutile TiO${}_2$ using a radiotrac…