Simulations of cubic-tetragonal ferroelastics

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dc.creatorJacobs, A. E.
dc.creatorCurnoe, S. H.
dc.creatorDesai, R. C.
dc.date2003-02-19
dc.date2003-12-19
dc.date.accessioned2026-07-07T02:49:43Z
dc.date.available2026-07-07T02:49:43Z
dc.descriptionWe study domain patterns in cubic-tetragonal ferroelastics by solving numerically equations of motion derived from a Landau model of the phase transition, including dissipative stresses. Our system sizes, of up to 256^3 points, are large enough to reveal many structures observed experimentally. Most patterns found at late stages in the relaxation are multiply banded; all three tetragonal variants appear, but inequivalently. Two of the variants form broad primary bands; the third intrudes into the others to form narrow secondary bands with the hosts. On colliding with walls between the primary variants, the third either terminates or forms a chevron. The multipy banded patterns, with the two domain sizes, the chevrons and the terminations, are seen in the microscopy of zirconia and other cubic-tetragonal ferroelastics. We examine also transient structures obtained much earlier in the relaxation; these show the above features and others also observed in experiment.
dc.description7 pages, 6 colour figures not embedded in text. Major revisions in content
dc.identifierhttps://arxiv.org/abs/cond-mat/0302388
dc.identifierhttp://arxiv.org/abs/cond-mat/0302388
dc.identifierPhys. Rev. B 68, 224104 (2003)
dc.identifierdoi:10.1103/PhysRevB.68.224104
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20909
dc.subjectMaterials Science
dc.titleSimulations of cubic-tetragonal ferroelastics
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