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Anomalous Behaviour of Surface Brillouin Scattering in Thin Strained CVD Diamond

Show simple item record Motochi, I. 2017-07-02T12:17:53Z 2017-07-02T12:17:53Z 2017-06
dc.description.abstract Ion-implantation introduces stresses and strains in the implanted region of any crystal. The material may be healed through annealing, for diamond it has been noted that annealing may bring about recrystallization as long as the fluence did not exceed the critical density. A single crystal CVD was irradiated with carbon ions at a fluence of 1.5×1016 ions/cm2 at single energy of 150 keV, and annealed above 1000 oC. This treatment results in permanent damage at the end of range. The film above the damaged layer should recrystallize to diamond hence the study sought through Brillouin light scattering to show that the film is indeed diamond. TRIM, FEM simulations, UVVIS-NIR, Raman spectroscopy and BS were employed as characterization and investigative techniques. The results show an anomalous behaviour which was attributed to among others the scattering volume of the film and density variation. Further work is therefore recommended to prove that unlike Si and Ge, diamond actually completely recrystallizes upon annealing for below critical damage. en_US
dc.language.iso en en_US
dc.publisher MMU en_US
dc.subject ion-implantation, Brillouin scattering, diamond, recrystallization en_US
dc.title Anomalous Behaviour of Surface Brillouin Scattering in Thin Strained CVD Diamond en_US
dc.type Article en_US

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