Thin-Film Porous Ferroic Nanostructures: Strategies and Characterization


The semiconductor industry has been characterized for more than five decades by a fast rate of development in its products. A greater degree of creativity at the level of materials and, as a consequence, of functions will be possible to be implemented. This is the case, for example, of multiferroic materials that with the coexistence of at least two ferroic orders, ferroelectric, ferromagnetic, or ferroelastic, may have great potential applications as multifunctional devices. Ferroic is the general name given to a material exhibiting the property of ferroelasticity, ferromagnetism, and ferroelectricity. The degradation of the electrical properties may result from the decrease of the film thickness with consequent reduction of the tetragonality. Bismuth ferrite is the only single-phase multiferroic presenting simultaneously magnetic and ferroelectric order at room temperature, thus considered as the multiferroic archetype and the most adequate recruit for the pursuit of solutions in multiferroic's perplexities.


Alichandra Castro, Paula Ferreira, Stella Skiadopoulou, Paula M. Vilarinho, Liliana P. Ferreira, Margarida Godinho and Brian J. Rodriguez

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