American Institute of Physics, Applied Physics Letters, 3(91), p. 033105
DOI: 10.1063/1.2754362
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The first direct resonant microwave absorption determination of the thermal renormalization of exchange stiffness, average magnetic anisotropy constant, and characteristic magnetic length in “field-annealed” Vitroperm samples with an initial magnetic permeability of μi = 20 000 and 150 000 has been presented and discussed.