Dual ferroelasticity of lanthanum chromium-based multicomponent solid solution perovskite

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2009 United States English Publisher:Elsevier BVJournal:Scripta Materialia, volume 60, pages 783-786 (issn: 1359-6462,

Copyright policy )Funded by:NSF | NSF-Europe Materials Coll..., NSF | Ferroelasticity and Hyste...

Authors: Orlovskaya, Nina; Lugovy, Mykola; Verbylo, Dmytro; Reece, Michael John;

doi: 10.1016/j.scriptamat.2009.01.019

Dual ferroelasticity of lanthanum chromium-based multicomponent solid solution perovskite

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Abstract

While the majority of mixed ionic electronic conducting ferroelastic perovskites exhibit a single softening followed by hardening during loading, we report an unusual dual softening in lanthanum chromite-based perovskite due to a possible pressure-induced first-order phase transition from orthorhombic to rhombohedral phase during loading. The effects of temperature and cyclic incremental loading on the deformation behavior of the material are studied.

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United States

Related Organizations

North Carolina Agricultural & Technical State University
United States
Drexel University
United States
University of Central Florida
United States
Queen Mary University of London
United Kingdom

Keywords

Compression test, Multidisciplinary, LACOO3 BASED PEROVSKITES, Materials Science, MECHANICAL-PROPERTIES, LACRO3, DIFFRACTION, CERAMICS, PHASE-TRANSITION, Perovskites, COMPRESSION, Metallurgy & Metallurgical Engineering, Phase transformations, SOFC, Nanoscience & Nanotechnology, OXIDE FUEL-CELLS

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