type: phenopowerlaw

references:
  - T. Takeuchi,
    Transactions of the Japan Institute of Metals 16(10):629-640, 1975,
    https://doi.org/10.2320/matertrans1960.16.629,
    fitted to Fig. 3b ([111] and [001])

output: [xi_sl, gamma_sl]

N_sl: [12]

n_sl: 20
a_sl: 0.6
h_0_sl-sl: 3.5e+8
xi_0_sl: [1.6e+6]
xi_inf_sl: [96.4e+6]
h_sl-sl: [1, 1, 5.123, 0.574, 1.123, 1.123, 1]
dot_gamma_0_sl: 3.e-3