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Magnetic entropy changes as a function of temperature under 0.4 T for and with various B contents.
(a) Change of the and average magnetic moment per Fe atom with contents; (b) magnetic moment dependent for the alloys.
(a) Curie temperature of the and alloys as a function of B contents. Inserted is the curve of M/M(0) vs for ; (b) Changes of Bloch coefficient , spin wave stiffness constant and exchange constant for . Inserted is B content dependence of high-field susceptibility .
(a) Dependence of on the magnetic field and magnetic moment for ; (b) variations of field exponent and coefficient with contents for the alloys.
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