Table 4 Parameters obtained from fitting of C/T Vs. T2 using Eq. 4.

From: Exotic magnetic behaviour and evidence of cluster glass and Griffiths like phase in Heusler alloys Fe2-xMnxCrAl (0 ≤ x ≤ 1)

 

γ (mJ/mole-K2)

β (mJ/mole-K4)

θD (K)

Fe2CrAl

38.2 ± 0.09

1.1 ± 0.02

191.7

Fe1.75Mn0.25CrAl

47.6 ± 0.2

0.32 ± 0.007

289.4

Fe1.5Mn0.5CrAl

55.1 ± 0.007

0.43 ± 0.003

262.2

Fe1.25Mn0.75CrAl

59.4 ± 0.01

0.44 ± 0.002

260.2

FeMnCrAl

61.4 ± 0.01

0.22 ± 0.001

329.0

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