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