Table 1

Magnetic parameters of ferromagnetic metals Co, Fe, Py, and Ni
Metals Ms(106A/m) A(10−11J/m) lex(nm)
Co 1.445 3.00 4.78
Fe 1.752 2.10 3.30
Py 0.860 1.30 7.64
Ni 0.484 0.86 5.29

Ms, saturation magnetization; A, exchange constant; lex, exchange length [6].

Ma et al.

Ma et al. Nanoscale Research Letters 2012 7:498   doi:10.1186/1556-276X-7-498

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