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Title: Tuning the austenite and martensite phase fraction in ferromagnetic shape memory alloy ribbons of Ni45Co5Mn38Sn12
Authors: Lakhani, Archana
Dash, S.
Banerjee, A.
Chaddah, P.
Chen, X.
Ramanujan, R. V.
Keywords: DRNTU::Engineering::Materials
Issue Date: 2011
Source: Lakhani, A., Dash, S., Banerjee, A., Chaddah, P., Chen, X., & Ramanujan, R. V. (2011). Tuning the austenite and martensite phase fraction in ferromagnetic shape memory alloy ribbons of Ni45Co5Mn38Sn12. Applied physics letters, 99(24), 242503-.
Series/Report no.: Applied physics letters
Abstract: The ferromagneticshape memoryalloy ribbons with composition Ni45Co5Mn38Sn12 are shown to have field induced kinetically arrested ferromagnetic austenite phase down to the low temperature due to hindered martensite transformation. This gives rise to the coexisting martensite and austenite phases in a wide range of temperature and field. Here, we show a systematic rise in arrested austenite phase with the reduction in martensite phase quantitatively by various magnetization measurements. The fraction of these coexisting phases can be tuned in “field-temperature” space. Further, we show that the “domain” of tunability varies with temperature.
ISSN: 0003-6951
DOI: 10.1063/1.3669510
Schools: School of Materials Science & Engineering 
Rights: © 2011 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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