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Analysis of micro-Raman spectra combined with electromagnetic simulation and stress simulation for local stress distribution in Si devices

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3 Author(s)
Tada, Tetsuya ; Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan ; Poborchii, Vladimir ; Kanayama, Toshihiko

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.4772210 

We have developed a Raman simulation method using a finite-difference time-domain electromagnetic simulation and a finite element method stress simulation for precise local stress analysis of Si devices. This method accounts for the modification of light distribution by the sample structure, which significantly affects the Raman spectra near a metal gate structure with high refractive index and extinction coefficient. The precise stress estimation by this method is verified by analyzing polarized UV Raman measurements of a metal-oxide semiconductor field-effect transistor structure with a metal gate.

Published in:
Applied Physics Letters  (Volume:101 ,  Issue: 24 )

Date of Publication: Dec 2012

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