285 290 295 300 2.5 5 7.5 10 12.5 15 17.5 20 GLYPH<CC> GLYPH<B4>GLYPH<C3>GLYPH<B5> GLYPH<AM> GLYPH<B4>GLYPH<BC>GLYPH<B5> FIG. 12: The static magnetic permeability of Gd in the magnetic phase transition as a function of temperature. 42