ArticleMaterials (Basel, Switzerland)2023
Critical Insight into Pretransitional Behavior and Dielectric Tunability of Relaxor Ceramics.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Enhanced structural and electrical properties of furnace-cooled SrZrOScientific reports · 2025Article
- Landau-de Gennes Model for the Isotropic Phase of Nematogens: The Experimental Evidence Challenge.International journal of molecular sciences · 2025Article
- Simultaneously Achieved High Piezoelectricity and High Resistivity in NaMaterials (Basel, Switzerland) · 2024Article
- Critical Model Insight into Broadband Dielectric Properties of Neopentyl Glycol (NPG).Materials (Basel, Switzerland) · 2024Article
- Global population: from Super-Malthus behavior to Doomsday criticality.Scientific reports · 2024Article
- The Dominance of Pretransitional Effects in Liquid Crystal-Based Nanocolloids: Nematogenic 4-methoxybenzylidene-4'-butylaniline with Transverse Permanent Dipole Moment and BaTiONanomaterials (Basel, Switzerland) · 2024Article
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7 authors.
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Abstract
This model discussion focuses on links between the unique properties of relaxor ceramics and the basics of Critical Phenomena Physics and Glass Transition Physics. It indicates the significance of uniaxiality for the appearance of mean-field type features near the paraelectric-to-ferroelectric phase transition. Pretransitional fluctuations, that are increasing up to the size of a grain and leading to inter-grain, random, local electric fields are responsible for relaxor ceramics characteristics. Their impact yields the pseudospinodal behavior associated with "weakly discontinuous" local phase transitions. The emerging model redefines the meaning of the Burns temperature and polar nanoregions (PNRs). It offers a coherent explanation of "dielectric constant" changes with the "diffused maximum" near the paraelectric-to-ferroelectric transition, the sensitivity to moderate electric fields (tunability), and the "glassy" dynamics. These considerations are challenged by the experimental results of complex dielectric permittivity studies in a Ba
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