The temperature dependence of the ion beam induced interfacial amorphization in silicon
- 10 June 1996
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 68 (24) , 3425-3427
- https://doi.org/10.1063/1.115781
Abstract
The temperature dependence of the ion beam induced interfacial amorphization process (IBIIA) in silicon has been investigated at temperatures above 80 K using Rutherford backscattering spectrometry/channeling (RBS/C) and cross-sectional transmission electron microscopy (XTEM). Three regimes are observed. Above temperatures of about 320 K there is a strong temperature dependence of the IBIIA rate (thermal regime). At lower temperatures the rate moves towards a saturation value (transition regime). Below ∼150 K, IBIIA is nearly temperature independent (ballistic regime). This low-temperature regime can be explained by an athermal transport of point defects like in ballistic mixing processes.Keywords
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