Raman Spectroscopic Observations of Ferroelastic Switching in Ceria‐Stabilized Zirconia

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Abstract:

Ferroelasticity was observed in 18‐mol% ceria‐stabilized zirconia using polarized confocal Raman spectroscopy. Samples were either indented using a diamond Vickers indenter or loaded uniaxially in a diamond anvil cell to induce the ferroelastic behavior. The presence and formation of the ferroelastic domains were observed by monitoring the relative intensities of the B1g and A1g Raman modes for the tetragonal phase. Domain switching was found to be present on the surfaces in the damaged materials both inside and around cracks. Loading of the ceramic materials revealed hysteresis in the relative intensities of the Raman peaks as a function of loading and unloading.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2011.04737.x

Publication date: December 1, 2011

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