Paper Title:
Novel Low-K Dielectric Obtained by Xenon Implantation in SiO2
  Abstract

We implanted 300keV Xenon in silicon oxide at doses ranging from 1x1016 to 5x1016/cm2. For the first time, we reported the formation and the thermal evolution of bubbles/cavities in SiO2. Characterization by cross-section transmission electron microscopy (XTEM) and Rutherford backscattering spectrometry (RBS) showed that bubbles/cavities remain present even after a 1100°C annealing, while Xe strongly desorbs out at that temperature. Our measurements provides unexpected dielectric constant (k) lower than 1.6. These results make this technique very attractive for low-k applications in Si technology. Keywords: low-k dielectric, rare gas implantation, silicon oxid.

  Info
Periodical
Solid State Phenomena (Volumes 108-109)
Edited by
B. Pichaud, A. Claverie, D. Alquier, H. Richter and M. Kittler
Pages
291-296
DOI
10.4028/www.scientific.net/SSP.108-109.291
Citation
H. Assaf, E. Ntsoenzok, M.O. Ruault, O. Kaïtasov, "Novel Low-K Dielectric Obtained by Xenon Implantation in SiO2 ", Solid State Phenomena, Vols. 108-109, pp. 291-296, 2005
Online since
December 2005
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