Research Article

Thermodynamics of f.c.c.-Ni–Fe Alloys in a Static Applied Magnetic Field

Table 1

The coefficients, 𝐾 0 ( 𝐤 ) , 𝐾 1 ( 𝐤 ) , and 𝐾 2 ( 𝐤 ) in [eV], which enter into (5) for the estimation of concentration-dependent “paramagnetic” “mixing”-energies Fourier components for two quasi-wave vectors 𝐤 Γ ( 0 0 0 ) and 𝐤 𝑋 ( 1 0 0 ) for f.c.c.-Ni1 − c Fec alloys (according to [27]).

𝐤 𝐾 0 ( 𝐤 ) 𝐾 1 ( 𝐤 ) 𝐾 2 ( 𝐤 )

Γ ( 0 0 0 ) 0.843 −2.339 2.344
𝑋 ( 1 0 0 ) −0.414 0.450