Algethami Obaidallah A, Ge-Tian Li, Zhu-Hong Liu, Xing-Qiao Ma. Phase transformation, magnetic properties, and exchange bias of Heusler alloy Mn50–xCrxNi42Sn8 [J]. Acta Physica Sinica, 2020, 69(5): 058102-1
- Acta Physica Sinica
- Vol. 69, Issue 5, 058102-1 (2020)
Fig. 1. XRD patterns for Mn50–x Crx Ni42Sn8(x = 0, 0.4, 0.6, 0.8) polycrystalline samples measured at room temperature.
Fig. 2. Temperature dependence of magnetization upon field heating procedures in the field of 100 Oe for Mn50–x Crx Ni42Sn8(x = 0, 0.4, 0.6, 0.8) polycrystalline samples, and inset shows magnification of the shadow part.
Fig. 3. (a) Cr content dependence of Curie temperature of martensite phase 
and martensitic transformation temperature T M, (b) T M as a function of valence electron concentration, (c) cell volume, and (d) the distance between Ni and Mn at D site for Mn50–x Crx Ni42Sn8 (x = 0.4, 0.6, 0.8).
and martensitic transformation temperature Fig. 4. Temperature dependence of magnetization upon heating procedures in field of 20 kOe for Mn50–x Crx Ni42Sn8 (x = 0.4, 0.6, 0.8).
Fig. 5. The sketched unit cells of the austenite and martensite structures.
Fig. 6. (a) Magnetization hysteresis loops for Mn50–x Crx Ni42Sn8(x = 0, 0.6, 0.8) polycrystalline samples measured at 5 K after 500 Oe field cooling, inset shows the magnification of the shadow part; (b) the values of H C and H EB as a function of Cr content.
Fig. 7. (a) Magnetization hysteresis loops for Mn49.2Cr0.8Ni42Sn8 polycrystalline sample measured at 5 K after different field cooling, inset shows the magnification of the shadow part; (b) the values of HC and HEB under different cooling field.
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Table 1. Lattice parameters, c/a, and cell volume of Mn50–x CrxNi42Sn8 (x = 0, 0.4, 0.6, 0.8) polycrystalline samples at room temperature.
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Table 2. The atomic distance of Mn(D)-Ni(A), Mn(B)-Mn(A),and Mn(B)-Mn(D)in Mn50–xCrxNi42Sn8(x = 0, 0.4, 0.6, 0.8) polycrystalline samples.
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