Mechanical Loss in Multiferroic Materials at High Frequencies: Friction and the Evolution of Ferroelastic Microstructures. (6th May 2013)

• Record Type: Journal Article
• Authors: Zhao, Z.; Ding, X.; Lookman, T.; Sun, J.; Salje, E. K. H.
• Is Part Of: Advanced materials. Volume 25:Number 23(2013)
• Page Start: 3244
• Page End: 3248
• Publication Date: 2013-05-06
• Subjects: Materials -- Periodicals; Chemical vapor deposition -- Periodicals; 620.11
• DOI: 10.1002/adma.201300655
• Languages: English
• ISSNs: 0935-9648

Abstract

<abstract abstract-type="graphical" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <bold>Energy absorption in multiferroic materials</bold> stems typically from strain relaxation which can be strong even when no extrinsic defects exist in the material. Computer simulations of a simple two‐dimensional model on a generic, proper ferroelastic material identify the dissipative mechanisms associated with the dynamical motion as: a) advance and retraction of needle‐shaped twin domains and, b) movement of kinks inside twin boundaries. Both movements involve friction losses. <boxed-text content-type="graphic" position="anchor" orientation="portrait"><graphic position="anchor" mimetype="image" xlink:href="ark:/27927/pgg21kpzg3g" orientation="portrait" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /></boxed-text></p> </abstract>