Journal
JOURNAL OF APPLIED PHYSICS
Volume 112, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4758180
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Funding
- National Natural Science Foundation of China [51021061, 51101049, 51271071, 10804026]
- Hebei Science Foundation [E2010000429, E2012205057, 12965136D, 2010261]
- National 973 Foundation [2009CB929501]
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A martensitic transformation (MT) from a body-centered-cubic austenitic phase to a tetragonal martensitic phase has been found in Mn50Ni50-xSnx (0 <= x <= 11) alloys. The martensitic transformation temperature can be decreased by about 71.6 K by increasing the Sn concentration by 1 at. %. For 9 <= x <= 11, Mn50Ni50-xSnx ferromagnetic shape memory alloys are obtained. Due to the large magnetization difference (Delta M 60 emu/g) and small thermal hysteresis (Delta T = 6K) in the Mn50Ni40Sn10 alloy, a two-way magnetic-field-induced martensitic transformation is observed with dT/dH = 2 K/T. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4758180]
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