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Figure 14
Plot of the change in radius RArA of the minority atom on alloying versus RA/RB for 50 SiCr3-type compounds. rA is the radius of the A atom in the structure and is calculated from the lattice parameter as (51/2-1)a/4. The points can be fitted to an equation RArA = −2.002 + 2.544(RA/RB)0.675(RA/RB)2. Lattice parameters of new compounds of the same structure type can be estimated with good accuracy from the observed correlation, as demonstrated in Table 2[link].

ISSN: 2053-2733
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