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Magnetic Entropy in Magnetic Materialsï Total entropy of magnetic substanceï Electronic entropy S e = γ Tï Lattice entropyS t =S L +S e +S ML⎛ ∂FM⎞SM= −⎜⎟⎝ ∂T⎠ HS3⎡T⎛ ⎞D / T T= R⎢−3ln(1−e) + 12⎜⎟∫⎢⎣⎝TD⎠ï Magnetic entropyT0D/ Txex3dx ⎤⎥−1⎥⎦
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