Enhanced Nanostructure Evolution in Functional Spinel Ceramics through Additional Phases

The intricate process of converting defects and pores present in spinel-type ceramics, triggered by the incorporation of supplementary phases, unfolds along both the avenues of two-component decomposition pathway. Investigation has validated that a heightened concentration of these supplementary phases within the ceramic matrix precipitates the gradual division of voids. These fragmented voids then progressively engage in agglomeration phenomena, driven by temporal forces. The phases that are extracted in close proximity to the intergranular boundaries play a pivotal role in shaping the material's characteristics. These extracted phases give rise to emergent sites possessing the unique ability to ensnare and confine positrons, forming localized regions within the ceramics that are particularly effective at capturing these elusive particles.