Table 1. Coefficients used to describe the temperature dependence of the cell parameter of Si using equation (3) .

a0	5.42999 Å
c1/θ1	−1.270 × 10−6	217 K
c2/θ2	4.815 × 10−6	571 K
c3/θ3	1.019 × 10−6	1500 K