M.W. Shafer, T. Penney, et al.
Physical Review B
The effects of ion implantation into thin films of the superconductor YBa2Cu3Ox have been studied. Using oxygen and arsenic ions, the superconducting transition temperature Tc, the change in room-temperature electrical properties from conducting to insulating, and the crystalline to amorphous structural transition in the films were studied as a function of ion dose. The deposited energy required to change T c was found to be 0.2 eV/atom, while 1-2 eV/atom was required to affect the room-temperature conductivity, and 4 eV/atom to render the film amorphous. This hierarchy of effects is discussed in terms of the damage mechanisms involved.
M.W. Shafer, T. Penney, et al.
Physical Review B
M. Charalambous, R.H. Koch, et al.
Physical Review B - CMMP
R.H. Koch, G. Grinstein, et al.
Physical Review Letters
A. Hartstein, R.H. Koch
Physical Review B