First created: Nov. 6, 2003   Updated: Nov. 9, 2003
2. Poisson ratio greater in nanoparticle

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1. Equal Poisson ratio
2. vLm/vLp vs. Z0m/Z0p version of this page
3. Poisson ratio of matrix greater than nanoparticle
4. Actual material combinations
   For all the examples on this page, the nanoparticle has a greater Poisson ratio than the matrix. That means that vTp / vLp < vTm / vLm.
Figure 2(a)
sph0cn10.cpp
md54jw.gif md54jf.gif

Notice in the left figure that the dimensionless frequency ξ varies continuously from FSM to BSM as the diagonal is crossed. The Poisson ratios correspond roughly to a gold nanoparticle in a diamond matrix. This continuous variation of ξ is an unusual situation.
Figure 2(b)
sph0cn10.cpp
md54bw.gif md54bf.gif

The Poisson ratios correspond roughly to an Ag nanoparticle in BaO-P2O5 glass.

Daniel Murray
Associate Professor
Math, Stats & Physics Unit
University of British Columbia - Okanagan
Kelowna, BC, Canada
daniel "dot" murray "at" ubc "dot" ca

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