Detailed correlation of the results of transmission electron microscopy and micro-photoluminescence spectroscopy provided direct evidence of an interaction between linear and point defects. Both the 388.9 and 379nm optical centers were found to be strongly related to dislocations.

Direct Evidence of Interaction between Dislocations and Point Defects in Diamond. A.E.Mora, J.W.Steeds, J.E.Butler, C.S.Yan, H.K.Mao, R.J.Hemley: Physica Status Solidi A, 2005, 202[6], R69-71