Table 1 Parameters determined from fitting the coupled harmonic oscillator to the data in Fig. 2d
From: Beyond a phenomenological description of magnetostriction
Stress | Equation/model | Fitting value | ab coefficient | c coefficient |
---|---|---|---|---|
σe | σeTe(t)δTe(t) | 8.3e–10/ps2/K2 | 1 | 0.5 |
σph | \(\sigma ^{\rm{ph}}\left[ {1 - \exp \left( { - \frac{t}{{\tau _l}}} \right)} \right]\) | 3.9e–3/ps2 | 1 | 0.14 |
σm | σm((ΔM(t))/(M0))2 | 9.6e–3/ps2 | 0.47 | −1 |
σcarb | σcarbTcarb(t) | 1.5e–5/ps2/K | 1 | 0 |