Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/105795
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dc.contributor.authorBanerjee, A.en
dc.contributor.authorChaddah, P.en
dc.contributor.authorDash, S.en
dc.contributor.authorKumar, Krantien
dc.contributor.authorLakhani, Archanaen
dc.contributor.authorChen, X.en
dc.contributor.authorRamanujan, R. V.en
dc.date.accessioned2014-09-19T04:40:54Zen
dc.date.accessioned2019-12-06T21:58:01Z-
dc.date.available2014-09-19T04:40:54Zen
dc.date.available2019-12-06T21:58:01Z-
dc.date.copyright2011en
dc.date.issued2011en
dc.identifier.citationBanerjee, A., Chaddah, P., Dash, S., Kumar, K., Lakhani, A., Chen, X., et al. (2011). History-dependent nucleation and growth of the martensitic phase in the magnetic shape memory alloy Ni45Co5Mn38Sn12. Physical Review B, 84(21).en
dc.identifier.issn1098-0121en
dc.identifier.urihttps://hdl.handle.net/10356/105795-
dc.description.abstractWe study through the time evolution of magnetization the low-temperature (T) dynamics of the metastable coexisting phases created by traversing different paths in magnetic field H and T space in a shape memory alloy system, Ni45Co5Mn38Sn12. It is shown that these coexisting phases consisting of a fraction of kinetically arrested austenite phase and a remaining fraction of low-T equilibrium martensitic phase undergo a slow relaxation to low magnetization (martensitic) state but with very different thermomagnetic history-dependent rates at the same T and H. We discovered that, when the nucleation of the martensitic phase is initiated at much lower T through the de-arrest of the glasslike arrested state contrasted with the respective first-order transformation (through supercooling at much higher T), the long-time relaxation rate scales with the nonequilibrium phase fraction but has a very weak dependence on T. This is explained on the basis of the H-T path dependent size of the critical radii of the nuclei and the subsequent growth of the equilibrium phase through the motion of the interface.en
dc.language.isoenen
dc.relation.ispartofseriesPhysical Review Ben
dc.rights© 2011 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [http://dx.doi.org/10.1103/PhysRevB.84.214420].  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.en
dc.subjectDRNTU::Engineering::Materialsen
dc.titleHistory-dependent nucleation and growth of the martensitic phase in the magnetic shape memory alloy Ni45Co5Mn38Sn12en
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.1103/PhysRevB.84.214420en
dc.description.versionPublished versionen
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