Rao, K.S.; Sahoo, R.K.; Dash, T.; Magudapathy, P.; Panigrahi, B.K.; Nayak, B.B.; Mishra, B.K.
(Nuclear Instruments & Methods In Physics Research Section B-Beam Interactions With Materials And Atoms, 373, 2016: 70-75)
Energetic ions of N and Cr were used to implant the surfaces of natural rubies (low aesthetic quality). Surface colours of the specimens were found to change after ion implantation. The samples without and with ion ...