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|Title:||Micro-RBS study of nickel silicide formation|
|Authors:||Seng, H.L. |
Rutherford backscattering (RBS)
|Citation:||Seng, H.L., Osipowicz, T., Lee, P.S., Mangelinck, D., Sum, T.C., Watt, F. (2001-07). Micro-RBS study of nickel silicide formation. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 181 (1-4) : 399-403. ScholarBank@NUS Repository. https://doi.org/10.1016/S0168-583X(01)00361-5|
|Abstract:||Two MeV He+ microbeam-Rutherford backscattering (μ-RBS) is used to obtain information on silicide formation in patterned nickel silicide samples under different annealing conditions. It is important to characterize silicide formation processes in such laterally non-homogenous samples in order to understand resistivity variations that are observed when metal oxide silicon field effect transistor (MOSFET) gate lengths are reduced, and when silicidation temperatures are changed. The patterned samples investigated consist of an array of square pads (70×70μm2) of the structure Ni(Pt)Six/Poly-Si (2000 Å)/SiO2 (2500 Å)/Si and narrow lines of 100 μm length and linewidths of 5 and 2 μm. μ-RBS (∼5μm2 beam spot) was used to obtain the thickness and stoichiometry of the silicide films for the square pads. The beam was focused to submicron dimensions for the scans over the narrow lines. μ-RBS results for the different si licide structures are presented and correlated with micro-Raman data. © 2001 Elsevier Science B.V. All rights reserved.|
|Source Title:||Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms|
|Appears in Collections:||Staff Publications|
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