Wisby, I; de Graaf, S E*; Gwilliam, R*; Adamyan, A*; Kubatkin, S E*; Meeson, P J*; Tzalenchuk, A Ya; Lindstrom, T (2014) Coupling of a locally implanted rare-earth ion ensemble to a superconducting micro-resonator. Appl. Phys. Lett., 105 (10). 102601