Core binding-energy shifts for free negative ions of oxygen: O⁰ to O^2-

Michael Ray, Yves C. Martin

Proceedings of SPIE - The International Society for Optical Engineering

Shu-Jen Han, Dharmendar Reddy, et al.

ACS Nano

F.J. Himpsel, T.A. Jung, et al.

Surface Review and Letters

T.N. Morgan

Semiconductor Science and Technology