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Pseudo-ternary phase diagram of Mn50 cross-section of Mn50(NiCoAl)50alloys. The square and dot symbols represent the samples with and without martensitic transformation property, respectively.
XRD patterns at room temperature of arc-melted Mn50Ni36Co2Al12 sample and Mn50Ni30Co8Al12 ribbon sample.
Co-content dependence of TM , TA , and δT of Mn50Ni39−xCoxAl11 alloys. The inset shows the temperature dependence of the ac susceptibility of Mn50Ni34Co4Al12 and Mn50Ni32Co6Al12s.
M-T of Mn50Ni32Co6Al12 measured in magnetic fields of 0.1 and 7 T. The vertical lines indicate the change of Tm upon application of a magnetic field.
Magnetization of Mn50Ni32Co6Al12 measured in heating run.
M-H curves for Mn50Ni38−xCoxAl12 alloys measured at 5 K. The inset presents the dependence of e TC of the high temperature phase on the Co content.
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