1. RRI Digital Repository
  2. 07. Theoretical Physics
  3. Research Papers (TP)
Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3208
Full metadata record
DC FieldValueLanguage
dc.contributor.authorSengupta, Surajit-
dc.contributor.authorRao, Madan-
dc.date.accessioned2007-06-30T11:21:19Z-
dc.date.available2007-06-30T11:21:19Z-
dc.date.issued2003-02-
dc.identifier.citationPhysica A: Statistical Mechanics and its Applications, 2003, Vol.318, 251-261en
dc.identifier.issn0378-4371-
dc.identifier.urihttp://hdl.handle.net/2289/3208-
dc.descriptionRestricted Access.en
dc.description.abstractWe examine in detail, through extensive molecular dynamics simulations, the process of nucleation of a triangular phase in a model two-dimensional square crystal consisting of particles interacting via a pair and three-body potentials. We find that at high temperatures, the critical nucleus of the triangular phase is isotropic with local triangular order. At low temperatures, the critical nucleus consists of a twinned bicrystal which is anisotropic and breaks the symmetry of the underlying square phase. We show that this morphological transition is caused by the dynamics of non-elastic degrees of freedom, viz. interfacial defect fields. This transition is similar to that between ‘ferrite’ and ‘martensite’ as observed in real materials when a solid such as iron is cooled across a structural transition. Based on our simulation results, we arrive at a single theoretical formalism which qualitatively describes the transformation to both a ferrite and a martensite.en
dc.format.extent268518 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.urihttp://dx.doi.org/10.1016/S0378-4371(02)01427-9en
dc.rights2003 Elsevier B.V.en
dc.subjectSolid–solid transitionsen
dc.subjectPhase diagrams and microstructuresen
dc.subjectNucleationen
dc.titleStatistical mechanics of nucleation in solids: a kinetics driven morphological transitionen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

Files in This Item:
File Description SizeFormat 
2003 Physica-A V318 p251.pdf
  Restricted Access		Restricted Access262.22 kBAdobe PDFView/Open Request a copy
Show simple item record


Items in RRI Digital Repository are protected by copyright, with all rights reserved, unless otherwise indicated.