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Figure 3.15 Experimental values for the lattice constant of gold [9] and palladium [10] nanoparticles.
As an example, the lattice contraction of gold [9] and palladium [10] is shown in Figure 3.15, and in both the cases a signi?
A detailed analysis shows that the results obtained from palladium particles, depicted in Figure 3.15, indicate almost spherical particles, whereas the gold particles, used in this experiment, having an a value of 3.09 were disk-shaped and had a diameter/thickness ratio of approximately 10.
As an example, the heat capacity of nanocrystalline and coarse- grained copper and palladium is depicted in Figure 7.4a and b.
Figure 7.4 Comparative heat capacity for sintered metallic nanocrystalline materials and coarse- grained material [3]: (a) copper materials and (b) palladium materials.
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