Integration of modeling and acoustic microscopy measurements for thin films. Guo, Z., Achenbach, J. D., Madan, A., Martin, K., & Graham, M. E. The Journal of the Acoustical Society of America, 107(5):2462–2471, 2000. Paper doi abstract bibtex A model for measuring the V(z) curve by line-focus acoustic microscopy contains the reflectance function of the specimen as a principal component. In this paper the reflectance function has been analyzed for multilayered thin films on a substrate for both fast-on-slow and slow-on-fast systems. The phase velocities of modes of surface acoustic wave propagation and their associated mode reflection coefficients can be obtained from the reflectance function. This information can be used together with estimates of the elastic constants to determine suitable frequency ranges for measuring the V(z) curve. Minimization of the difference between phase velocities obtained from measured and calculated V(z) curves is used to determine the elastic constants. Results are presented for TiN films on M2 high-speed steel substrates. © 2000 Acoustical Society of America.
@article{guo_integration_2000,
title = {Integration of modeling and acoustic microscopy measurements for thin films},
volume = {107},
copyright = {© 2000 Acoustical Society of America},
url = {http://link.aip.org/link/?JAS/107/2462/1},
doi = {10.1121/1.428633},
abstract = {A model for measuring the V(z) curve by line-focus acoustic microscopy contains the reflectance function of the specimen as a principal component. In this paper the reflectance function has been analyzed for multilayered thin films on a substrate for both fast-on-slow and slow-on-fast systems. The phase velocities of modes of surface acoustic wave propagation and their associated mode reflection coefficients can be obtained from the reflectance function. This information can be used together with estimates of the elastic constants to determine suitable frequency ranges for measuring the V(z) curve. Minimization of the difference between phase velocities obtained from measured and calculated V(z) curves is used to determine the elastic constants. Results are presented for TiN films on M2 high-speed steel substrates. © 2000 Acoustical Society of America.},
number = {5},
urldate = {2013-01-23TZ},
journal = {The Journal of the Acoustical Society of America},
author = {Guo, Zhiqi and Achenbach, J. D. and Madan, Anita and Martin, Keith and Graham, M. E.},
year = {2000},
keywords = {acoustic microscopy, protective coatings, surface acoustic waves, thin films, titanium compounds, ultrasonic propagation},
pages = {2462--2471}
}
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