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Damage profiles of ultrashallow B implants in Si and the Kinchin-Pease relationship

Berg, J. A. van den, Carter, G., Armour, D. G., Werner, M., Goldberg, R. D., Collart, E. J. H., Bailey, Paul and Noakes, T. C. Q. (2004) Damage profiles of ultrashallow B implants in Si and the Kinchin-Pease relationship. Applied Physics Letters, 85 (15). p. 3074. ISSN 0003-6951

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Damage distributions resulting from 0.1–2 keV B+ implantation at room temperature into Si(100) to doses ranging from 1×1014 to 2×1016 cm−2 have been determined using high-depth-resolution medium-energy-ion scattering in the double alignment mode. For all B+ doses and energies investigated a 3–4 nm deep, near-surface damage peak was observed while for energies at and above 1 keV, a second damage peak developed beyond the mean projected B+ ion range of 5.3 nm. This dual damage peak structure is due to dynamic annealing processes. For the near-surface peak it is observed that, at the lowest implant energies and doses used, for which recombination processes are suppressed due to the proximity of the surface capturing interstitials, the value of the damage production yield for low-mass B+ ions is equal or greater than the modified Kinchin-Pease model predictions [G. H. Kinchin and R. S. Pease, Rep. Prog. Phys. 18, 1 (1955); G. H. Kinchin and R. S. Pease, J. Nucl. Energy 1, 200 (1955); P. Sigmund, Appl. Phys. Lett. 14, 114 (1969)]

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 12 Sep 2012 08:15
Last Modified: 28 Aug 2021 11:21


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